无法编译 #10

Description

@how0723

Build command failed.
Error while executing process D:\android-sdk\cmake\3.6.4111459\bin\cmake.exe with arguments {--build D:\workspace\android-prj\hyperlpr4Android\app.externalNativeBuild\cmake\debug\armeabi-v7a --target hyperlpr}
[1/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/javaWarpper.cpp.o
[2/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FastDeskew.cpp.o
[3/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FineMapping.cpp.o
[4/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Pipeline.cpp.o
[5/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateDetection.cpp.o
[6/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/CNNRecognizer.cpp.o
[7/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateSegmentation.cpp.o
[8/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Recognizer.cpp.o
D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src\Pipeline.cpp:25:9: warning: delete called on 'pr::GeneralRecognizer' that is abstract but has non-virtual destructor [-Wdelete-non-virtual-dtor]
delete generalRecognizer;
^
1 warning generated.
[9/9] Linking CXX shared library ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so
FAILED: cmd.exe /C "cd . && D:\android-sdk\ndk-bundle\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=armv7-none-linux-androideabi --gcc-toolchain=D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64 --sysroot=D:/android-sdk/ndk-bundle/sysroot -fPIC -isystem D:/android-sdk/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=22 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -std=c++11 -O0 -fno-limit-debug-info -Wl,--exclude-libs,libgcc.a -Wl,--exclude-libs,libatomic.a -nostdlib++ --sysroot D:/android-sdk/ndk-bundle/platforms/android-22/arch-arm -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--fix-cortex-a8 -Wl,--exclude-libs,libunwind.a -LD:/android-sdk/ndk-bundle/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libhyperlpr.so -o ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so @CMakeFiles/hyperlpr.rsp && cd ."
D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src/PlateDetection.cpp:30: error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::ndk1::vector<cv::Rect, std::ndk1::allocator<cv::Rect > >&, double, int, int, cv::Size, cv::Size)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<void*, std::allocator<void*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, unsigned int, void* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::locale::~locale()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::ios_base::~ios_base()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::ios_base()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::locale()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
, unsigned int, std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::~locale()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage
, bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage*, bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::Base64Writer::check_dt(char const*): error: undefined reference to 'std::string::compare(char const*) const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::operator=(std::vector<std::string, std::allocatorstd::string > const&): error: undefined reference to 'std::string::assign(std::string const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<char, std::allocator >::_M_insert_aux(__gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator > >, char const&): error: undefined reference to 'std::__throw_length_error(char const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::ios_base()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::locale::locale()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
, unsigned int, std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::~ios_base()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const
): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::ios_base::ios_base()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::locale::locale()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::reserve(unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::_M_leak_hard()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::__throw_out_of_range(char const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::rfind(char, unsigned int) const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::__throw_out_of_range(char const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::KeyPoint*, std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint > >, unsigned int, cv::KeyPoint const&): error: undefined reference to 'std::__throw_length_error(char const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::DMatch, std::allocatorcv::DMatch >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::DMatch*, std::vector<cv::DMatch, std::allocatorcv::DMatch > >, unsigned int, cv::DMatch const&): error: undefined reference to 'std::__throw_length_error(char const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*) [clone .part.43]: error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::Image2D const&): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::ios_base::ios_base()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::locale::locale()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::getline<char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&, char)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*>(int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*, unsigned int, std::string&) [clone .constprop.315]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*>(int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*, unsigned int, std::string&) [clone .constprop.316]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::_findAndRemoveEntryFromReservedList(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::put(char)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::flush()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ctype::_M_widen_init() const'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::__throw_bad_cast()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolImpl::_allocateBufferEntry(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::put(cv::utils::trace::details::TraceMessage const&) const: error: undefined reference to 'std::ostream::flush()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits

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      , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
       blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
      }
      } catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
      })();
      (function(){
      try {
      var __m = "github.com";
      var __re = new RegExp('^' + "github\\.com" + '
      
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      无法编译 #10

      Description

      @how0723

      Build command failed.
      Error while executing process D:\android-sdk\cmake\3.6.4111459\bin\cmake.exe with arguments {--build D:\workspace\android-prj\hyperlpr4Android\app.externalNativeBuild\cmake\debug\armeabi-v7a --target hyperlpr}
      [1/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/javaWarpper.cpp.o
      [2/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FastDeskew.cpp.o
      [3/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FineMapping.cpp.o
      [4/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Pipeline.cpp.o
      [5/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateDetection.cpp.o
      [6/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/CNNRecognizer.cpp.o
      [7/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateSegmentation.cpp.o
      [8/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Recognizer.cpp.o
      D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src\Pipeline.cpp:25:9: warning: delete called on 'pr::GeneralRecognizer' that is abstract but has non-virtual destructor [-Wdelete-non-virtual-dtor]
      delete generalRecognizer;
      ^
      1 warning generated.
      [9/9] Linking CXX shared library ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so
      FAILED: cmd.exe /C "cd . && D:\android-sdk\ndk-bundle\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=armv7-none-linux-androideabi --gcc-toolchain=D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64 --sysroot=D:/android-sdk/ndk-bundle/sysroot -fPIC -isystem D:/android-sdk/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=22 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -std=c++11 -O0 -fno-limit-debug-info -Wl,--exclude-libs,libgcc.a -Wl,--exclude-libs,libatomic.a -nostdlib++ --sysroot D:/android-sdk/ndk-bundle/platforms/android-22/arch-arm -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--fix-cortex-a8 -Wl,--exclude-libs,libunwind.a -LD:/android-sdk/ndk-bundle/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libhyperlpr.so -o ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so @CMakeFiles/hyperlpr.rsp && cd ."
      D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src/PlateDetection.cpp:30: error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::ndk1::vector<cv::Rect, std::ndk1::allocator<cv::Rect > >&, double, int, int, cv::Size, cv::Size)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<void*, std::allocator<void*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, unsigned int, void* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::locale::~locale()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::ios_base::~ios_base()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::ios_base()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::locale()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
      , unsigned int, std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::~locale()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage
      , bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage*, bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::Base64Writer::check_dt(char const*): error: undefined reference to 'std::string::compare(char const*) const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::operator=(std::vector<std::string, std::allocatorstd::string > const&): error: undefined reference to 'std::string::assign(std::string const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<char, std::allocator >::_M_insert_aux(__gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator > >, char const&): error: undefined reference to 'std::__throw_length_error(char const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::ios_base()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::locale::locale()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
      , unsigned int, std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::~ios_base()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const
      ): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::ios_base::ios_base()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::locale::locale()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::reserve(unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::_M_leak_hard()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::__throw_out_of_range(char const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::rfind(char, unsigned int) const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::__throw_out_of_range(char const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::KeyPoint*, std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint > >, unsigned int, cv::KeyPoint const&): error: undefined reference to 'std::__throw_length_error(char const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::DMatch, std::allocatorcv::DMatch >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::DMatch*, std::vector<cv::DMatch, std::allocatorcv::DMatch > >, unsigned int, cv::DMatch const&): error: undefined reference to 'std::__throw_length_error(char const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*) [clone .part.43]: error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::Image2D const&): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::ios_base::ios_base()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::locale::locale()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::getline<char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&, char)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*>(int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*, unsigned int, std::string&) [clone .constprop.315]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*>(int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*, unsigned int, std::string&) [clone .constprop.316]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::_findAndRemoveEntryFromReservedList(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::put(char)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::flush()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ctype::_M_widen_init() const'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::__throw_bad_cast()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolImpl::_allocateBufferEntry(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::put(cv::utils::trace::details::TraceMessage const&) const: error: undefined reference to 'std::ostream::flush()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits

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          无法编译 #10

          Description

          @how0723

          Build command failed.
          Error while executing process D:\android-sdk\cmake\3.6.4111459\bin\cmake.exe with arguments {--build D:\workspace\android-prj\hyperlpr4Android\app.externalNativeBuild\cmake\debug\armeabi-v7a --target hyperlpr}
          [1/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/javaWarpper.cpp.o
          [2/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FastDeskew.cpp.o
          [3/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FineMapping.cpp.o
          [4/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Pipeline.cpp.o
          [5/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateDetection.cpp.o
          [6/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/CNNRecognizer.cpp.o
          [7/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateSegmentation.cpp.o
          [8/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Recognizer.cpp.o
          D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src\Pipeline.cpp:25:9: warning: delete called on 'pr::GeneralRecognizer' that is abstract but has non-virtual destructor [-Wdelete-non-virtual-dtor]
          delete generalRecognizer;
          ^
          1 warning generated.
          [9/9] Linking CXX shared library ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so
          FAILED: cmd.exe /C "cd . && D:\android-sdk\ndk-bundle\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=armv7-none-linux-androideabi --gcc-toolchain=D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64 --sysroot=D:/android-sdk/ndk-bundle/sysroot -fPIC -isystem D:/android-sdk/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=22 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -std=c++11 -O0 -fno-limit-debug-info -Wl,--exclude-libs,libgcc.a -Wl,--exclude-libs,libatomic.a -nostdlib++ --sysroot D:/android-sdk/ndk-bundle/platforms/android-22/arch-arm -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--fix-cortex-a8 -Wl,--exclude-libs,libunwind.a -LD:/android-sdk/ndk-bundle/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libhyperlpr.so -o ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so @CMakeFiles/hyperlpr.rsp && cd ."
          D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src/PlateDetection.cpp:30: error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::ndk1::vector<cv::Rect, std::ndk1::allocator<cv::Rect > >&, double, int, int, cv::Size, cv::Size)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<void*, std::allocator<void*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, unsigned int, void* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::locale::~locale()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::ios_base::~ios_base()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::ios_base()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::locale()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
          , unsigned int, std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::~locale()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage
          , bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage*, bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::Base64Writer::check_dt(char const*): error: undefined reference to 'std::string::compare(char const*) const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::operator=(std::vector<std::string, std::allocatorstd::string > const&): error: undefined reference to 'std::string::assign(std::string const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<char, std::allocator >::_M_insert_aux(__gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator > >, char const&): error: undefined reference to 'std::__throw_length_error(char const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::ios_base()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::locale::locale()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
          , unsigned int, std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::~ios_base()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const
          ): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::ios_base::ios_base()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::locale::locale()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::reserve(unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::_M_leak_hard()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::__throw_out_of_range(char const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::rfind(char, unsigned int) const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::__throw_out_of_range(char const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::KeyPoint*, std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint > >, unsigned int, cv::KeyPoint const&): error: undefined reference to 'std::__throw_length_error(char const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::DMatch, std::allocatorcv::DMatch >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::DMatch*, std::vector<cv::DMatch, std::allocatorcv::DMatch > >, unsigned int, cv::DMatch const&): error: undefined reference to 'std::__throw_length_error(char const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*) [clone .part.43]: error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::Image2D const&): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::ios_base::ios_base()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::locale::locale()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::getline<char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&, char)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*>(int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*, unsigned int, std::string&) [clone .constprop.315]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*>(int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*, unsigned int, std::string&) [clone .constprop.316]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::_findAndRemoveEntryFromReservedList(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::put(char)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::flush()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ctype::_M_widen_init() const'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::__throw_bad_cast()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolImpl::_allocateBufferEntry(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::put(cv::utils::trace::details::TraceMessage const&) const: error: undefined reference to 'std::ostream::flush()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits

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              , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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              无法编译 #10

              Description

              @how0723

              Build command failed.
              Error while executing process D:\android-sdk\cmake\3.6.4111459\bin\cmake.exe with arguments {--build D:\workspace\android-prj\hyperlpr4Android\app.externalNativeBuild\cmake\debug\armeabi-v7a --target hyperlpr}
              [1/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/javaWarpper.cpp.o
              [2/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FastDeskew.cpp.o
              [3/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FineMapping.cpp.o
              [4/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Pipeline.cpp.o
              [5/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateDetection.cpp.o
              [6/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/CNNRecognizer.cpp.o
              [7/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateSegmentation.cpp.o
              [8/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Recognizer.cpp.o
              D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src\Pipeline.cpp:25:9: warning: delete called on 'pr::GeneralRecognizer' that is abstract but has non-virtual destructor [-Wdelete-non-virtual-dtor]
              delete generalRecognizer;
              ^
              1 warning generated.
              [9/9] Linking CXX shared library ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so
              FAILED: cmd.exe /C "cd . && D:\android-sdk\ndk-bundle\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=armv7-none-linux-androideabi --gcc-toolchain=D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64 --sysroot=D:/android-sdk/ndk-bundle/sysroot -fPIC -isystem D:/android-sdk/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=22 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -std=c++11 -O0 -fno-limit-debug-info -Wl,--exclude-libs,libgcc.a -Wl,--exclude-libs,libatomic.a -nostdlib++ --sysroot D:/android-sdk/ndk-bundle/platforms/android-22/arch-arm -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--fix-cortex-a8 -Wl,--exclude-libs,libunwind.a -LD:/android-sdk/ndk-bundle/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libhyperlpr.so -o ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so @CMakeFiles/hyperlpr.rsp && cd ."
              D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src/PlateDetection.cpp:30: error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::ndk1::vector<cv::Rect, std::ndk1::allocator<cv::Rect > >&, double, int, int, cv::Size, cv::Size)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<void*, std::allocator<void*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, unsigned int, void* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::locale::~locale()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::ios_base::~ios_base()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::ios_base()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::locale()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
              , unsigned int, std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::~locale()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage
              , bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage*, bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::Base64Writer::check_dt(char const*): error: undefined reference to 'std::string::compare(char const*) const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::operator=(std::vector<std::string, std::allocatorstd::string > const&): error: undefined reference to 'std::string::assign(std::string const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<char, std::allocator >::_M_insert_aux(__gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator > >, char const&): error: undefined reference to 'std::__throw_length_error(char const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::ios_base()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::locale::locale()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
              , unsigned int, std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::~ios_base()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const
              ): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::ios_base::ios_base()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::locale::locale()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::reserve(unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::_M_leak_hard()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::__throw_out_of_range(char const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::rfind(char, unsigned int) const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::__throw_out_of_range(char const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::KeyPoint*, std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint > >, unsigned int, cv::KeyPoint const&): error: undefined reference to 'std::__throw_length_error(char const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::DMatch, std::allocatorcv::DMatch >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::DMatch*, std::vector<cv::DMatch, std::allocatorcv::DMatch > >, unsigned int, cv::DMatch const&): error: undefined reference to 'std::__throw_length_error(char const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*) [clone .part.43]: error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::Image2D const&): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::ios_base::ios_base()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::locale::locale()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::getline<char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&, char)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*>(int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*, unsigned int, std::string&) [clone .constprop.315]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*>(int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*, unsigned int, std::string&) [clone .constprop.316]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::_findAndRemoveEntryFromReservedList(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::put(char)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::flush()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ctype::_M_widen_init() const'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::__throw_bad_cast()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolImpl::_allocateBufferEntry(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::put(cv::utils::trace::details::TraceMessage const&) const: error: undefined reference to 'std::ostream::flush()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits

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                  , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
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                  无法编译 #10

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                  @how0723

                  Build command failed.
                  Error while executing process D:\android-sdk\cmake\3.6.4111459\bin\cmake.exe with arguments {--build D:\workspace\android-prj\hyperlpr4Android\app.externalNativeBuild\cmake\debug\armeabi-v7a --target hyperlpr}
                  [1/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/javaWarpper.cpp.o
                  [2/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FastDeskew.cpp.o
                  [3/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FineMapping.cpp.o
                  [4/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Pipeline.cpp.o
                  [5/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateDetection.cpp.o
                  [6/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/CNNRecognizer.cpp.o
                  [7/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateSegmentation.cpp.o
                  [8/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Recognizer.cpp.o
                  D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src\Pipeline.cpp:25:9: warning: delete called on 'pr::GeneralRecognizer' that is abstract but has non-virtual destructor [-Wdelete-non-virtual-dtor]
                  delete generalRecognizer;
                  ^
                  1 warning generated.
                  [9/9] Linking CXX shared library ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so
                  FAILED: cmd.exe /C "cd . && D:\android-sdk\ndk-bundle\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=armv7-none-linux-androideabi --gcc-toolchain=D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64 --sysroot=D:/android-sdk/ndk-bundle/sysroot -fPIC -isystem D:/android-sdk/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=22 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -std=c++11 -O0 -fno-limit-debug-info -Wl,--exclude-libs,libgcc.a -Wl,--exclude-libs,libatomic.a -nostdlib++ --sysroot D:/android-sdk/ndk-bundle/platforms/android-22/arch-arm -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--fix-cortex-a8 -Wl,--exclude-libs,libunwind.a -LD:/android-sdk/ndk-bundle/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libhyperlpr.so -o ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so @CMakeFiles/hyperlpr.rsp && cd ."
                  D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src/PlateDetection.cpp:30: error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::ndk1::vector<cv::Rect, std::ndk1::allocator<cv::Rect > >&, double, int, int, cv::Size, cv::Size)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<void*, std::allocator<void*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, unsigned int, void* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::locale::~locale()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::ios_base::~ios_base()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::ios_base()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::locale()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
                  , unsigned int, std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::~locale()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage
                  , bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage*, bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::Base64Writer::check_dt(char const*): error: undefined reference to 'std::string::compare(char const*) const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::operator=(std::vector<std::string, std::allocatorstd::string > const&): error: undefined reference to 'std::string::assign(std::string const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<char, std::allocator >::_M_insert_aux(__gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator > >, char const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::ios_base()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::locale::locale()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
                  , unsigned int, std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::~ios_base()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const
                  ): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::ios_base::ios_base()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::locale::locale()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::reserve(unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::_M_leak_hard()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::__throw_out_of_range(char const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::rfind(char, unsigned int) const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::__throw_out_of_range(char const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::KeyPoint*, std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint > >, unsigned int, cv::KeyPoint const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::DMatch, std::allocatorcv::DMatch >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::DMatch*, std::vector<cv::DMatch, std::allocatorcv::DMatch > >, unsigned int, cv::DMatch const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*) [clone .part.43]: error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::Image2D const&): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::ios_base::ios_base()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::locale::locale()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::getline<char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&, char)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*>(int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*, unsigned int, std::string&) [clone .constprop.315]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*>(int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*, unsigned int, std::string&) [clone .constprop.316]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::_findAndRemoveEntryFromReservedList(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::put(char)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::flush()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ctype::_M_widen_init() const'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::__throw_bad_cast()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolImpl::_allocateBufferEntry(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::put(cv::utils::trace::details::TraceMessage const&) const: error: undefined reference to 'std::ostream::flush()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                  D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                  D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits

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                      , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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                      无法编译 #10

                      Description

                      @how0723

                      Build command failed.
                      Error while executing process D:\android-sdk\cmake\3.6.4111459\bin\cmake.exe with arguments {--build D:\workspace\android-prj\hyperlpr4Android\app.externalNativeBuild\cmake\debug\armeabi-v7a --target hyperlpr}
                      [1/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/javaWarpper.cpp.o
                      [2/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FastDeskew.cpp.o
                      [3/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FineMapping.cpp.o
                      [4/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Pipeline.cpp.o
                      [5/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateDetection.cpp.o
                      [6/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/CNNRecognizer.cpp.o
                      [7/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateSegmentation.cpp.o
                      [8/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Recognizer.cpp.o
                      D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src\Pipeline.cpp:25:9: warning: delete called on 'pr::GeneralRecognizer' that is abstract but has non-virtual destructor [-Wdelete-non-virtual-dtor]
                      delete generalRecognizer;
                      ^
                      1 warning generated.
                      [9/9] Linking CXX shared library ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so
                      FAILED: cmd.exe /C "cd . && D:\android-sdk\ndk-bundle\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=armv7-none-linux-androideabi --gcc-toolchain=D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64 --sysroot=D:/android-sdk/ndk-bundle/sysroot -fPIC -isystem D:/android-sdk/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=22 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -std=c++11 -O0 -fno-limit-debug-info -Wl,--exclude-libs,libgcc.a -Wl,--exclude-libs,libatomic.a -nostdlib++ --sysroot D:/android-sdk/ndk-bundle/platforms/android-22/arch-arm -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--fix-cortex-a8 -Wl,--exclude-libs,libunwind.a -LD:/android-sdk/ndk-bundle/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libhyperlpr.so -o ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so @CMakeFiles/hyperlpr.rsp && cd ."
                      D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src/PlateDetection.cpp:30: error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::ndk1::vector<cv::Rect, std::ndk1::allocator<cv::Rect > >&, double, int, int, cv::Size, cv::Size)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<void*, std::allocator<void*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, unsigned int, void* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::locale::~locale()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::ios_base::~ios_base()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::ios_base()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::locale()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
                      , unsigned int, std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::~locale()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage
                      , bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage*, bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::Base64Writer::check_dt(char const*): error: undefined reference to 'std::string::compare(char const*) const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::operator=(std::vector<std::string, std::allocatorstd::string > const&): error: undefined reference to 'std::string::assign(std::string const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<char, std::allocator >::_M_insert_aux(__gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator > >, char const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::ios_base()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::locale::locale()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
                      , unsigned int, std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::~ios_base()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const
                      ): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::ios_base::ios_base()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::locale::locale()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::reserve(unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::_M_leak_hard()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::__throw_out_of_range(char const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::rfind(char, unsigned int) const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::__throw_out_of_range(char const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::KeyPoint*, std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint > >, unsigned int, cv::KeyPoint const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::DMatch, std::allocatorcv::DMatch >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::DMatch*, std::vector<cv::DMatch, std::allocatorcv::DMatch > >, unsigned int, cv::DMatch const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*) [clone .part.43]: error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::Image2D const&): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::ios_base::ios_base()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::locale::locale()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::getline<char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&, char)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*>(int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*, unsigned int, std::string&) [clone .constprop.315]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*>(int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*, unsigned int, std::string&) [clone .constprop.316]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::_findAndRemoveEntryFromReservedList(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::put(char)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::flush()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ctype::_M_widen_init() const'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::__throw_bad_cast()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolImpl::_allocateBufferEntry(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::put(cv::utils::trace::details::TraceMessage const&) const: error: undefined reference to 'std::ostream::flush()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                      D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                      D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits

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                          , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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                          无法编译 #10

                          Description

                          @how0723

                          Build command failed.
                          Error while executing process D:\android-sdk\cmake\3.6.4111459\bin\cmake.exe with arguments {--build D:\workspace\android-prj\hyperlpr4Android\app.externalNativeBuild\cmake\debug\armeabi-v7a --target hyperlpr}
                          [1/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/javaWarpper.cpp.o
                          [2/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FastDeskew.cpp.o
                          [3/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FineMapping.cpp.o
                          [4/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Pipeline.cpp.o
                          [5/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateDetection.cpp.o
                          [6/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/CNNRecognizer.cpp.o
                          [7/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateSegmentation.cpp.o
                          [8/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Recognizer.cpp.o
                          D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src\Pipeline.cpp:25:9: warning: delete called on 'pr::GeneralRecognizer' that is abstract but has non-virtual destructor [-Wdelete-non-virtual-dtor]
                          delete generalRecognizer;
                          ^
                          1 warning generated.
                          [9/9] Linking CXX shared library ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so
                          FAILED: cmd.exe /C "cd . && D:\android-sdk\ndk-bundle\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=armv7-none-linux-androideabi --gcc-toolchain=D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64 --sysroot=D:/android-sdk/ndk-bundle/sysroot -fPIC -isystem D:/android-sdk/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=22 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -std=c++11 -O0 -fno-limit-debug-info -Wl,--exclude-libs,libgcc.a -Wl,--exclude-libs,libatomic.a -nostdlib++ --sysroot D:/android-sdk/ndk-bundle/platforms/android-22/arch-arm -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--fix-cortex-a8 -Wl,--exclude-libs,libunwind.a -LD:/android-sdk/ndk-bundle/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libhyperlpr.so -o ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so @CMakeFiles/hyperlpr.rsp && cd ."
                          D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src/PlateDetection.cpp:30: error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::ndk1::vector<cv::Rect, std::ndk1::allocator<cv::Rect > >&, double, int, int, cv::Size, cv::Size)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<void*, std::allocator<void*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, unsigned int, void* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::locale::~locale()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::ios_base::~ios_base()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::ios_base()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::locale()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
                          , unsigned int, std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::~locale()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage
                          , bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage*, bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::Base64Writer::check_dt(char const*): error: undefined reference to 'std::string::compare(char const*) const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::operator=(std::vector<std::string, std::allocatorstd::string > const&): error: undefined reference to 'std::string::assign(std::string const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<char, std::allocator >::_M_insert_aux(__gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator > >, char const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::ios_base()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::locale::locale()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
                          , unsigned int, std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::~ios_base()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const
                          ): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::ios_base::ios_base()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::locale::locale()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::reserve(unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::_M_leak_hard()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::__throw_out_of_range(char const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::rfind(char, unsigned int) const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::__throw_out_of_range(char const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::KeyPoint*, std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint > >, unsigned int, cv::KeyPoint const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::DMatch, std::allocatorcv::DMatch >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::DMatch*, std::vector<cv::DMatch, std::allocatorcv::DMatch > >, unsigned int, cv::DMatch const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*) [clone .part.43]: error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::Image2D const&): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::ios_base::ios_base()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::locale::locale()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::getline<char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&, char)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*>(int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*, unsigned int, std::string&) [clone .constprop.315]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*>(int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*, unsigned int, std::string&) [clone .constprop.316]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::_findAndRemoveEntryFromReservedList(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::put(char)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::flush()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ctype::_M_widen_init() const'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::__throw_bad_cast()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolImpl::_allocateBufferEntry(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::put(cv::utils::trace::details::TraceMessage const&) const: error: undefined reference to 'std::ostream::flush()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                          D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                          D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits

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                              , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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                              无法编译 #10

                              Description

                              @how0723

                              Build command failed.
                              Error while executing process D:\android-sdk\cmake\3.6.4111459\bin\cmake.exe with arguments {--build D:\workspace\android-prj\hyperlpr4Android\app.externalNativeBuild\cmake\debug\armeabi-v7a --target hyperlpr}
                              [1/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/javaWarpper.cpp.o
                              [2/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FastDeskew.cpp.o
                              [3/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/FineMapping.cpp.o
                              [4/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Pipeline.cpp.o
                              [5/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateDetection.cpp.o
                              [6/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/CNNRecognizer.cpp.o
                              [7/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/PlateSegmentation.cpp.o
                              [8/9] Building CXX object CMakeFiles/hyperlpr.dir/src/main/jni/src/Recognizer.cpp.o
                              D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src\Pipeline.cpp:25:9: warning: delete called on 'pr::GeneralRecognizer' that is abstract but has non-virtual destructor [-Wdelete-non-virtual-dtor]
                              delete generalRecognizer;
                              ^
                              1 warning generated.
                              [9/9] Linking CXX shared library ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so
                              FAILED: cmd.exe /C "cd . && D:\android-sdk\ndk-bundle\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=armv7-none-linux-androideabi --gcc-toolchain=D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64 --sysroot=D:/android-sdk/ndk-bundle/sysroot -fPIC -isystem D:/android-sdk/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=22 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -std=c++11 -O0 -fno-limit-debug-info -Wl,--exclude-libs,libgcc.a -Wl,--exclude-libs,libatomic.a -nostdlib++ --sysroot D:/android-sdk/ndk-bundle/platforms/android-22/arch-arm -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--fix-cortex-a8 -Wl,--exclude-libs,libunwind.a -LD:/android-sdk/ndk-bundle/sources/cxx-stl/llvm-libc++/libs/armeabi-v7a -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libhyperlpr.so -o ........\build\intermediates\cmake\debug\obj\armeabi-v7a\libhyperlpr.so @CMakeFiles/hyperlpr.rsp && cd ."
                              D:\workspace\android-prj\hyperlpr4Android\app\src\main\jni\src/PlateDetection.cpp:30: error: undefined reference to 'cv::CascadeClassifier::detectMultiScale(cv::_InputArray const&, std::ndk1::vector<cv::Rect, std::ndk1::allocator<cv::Rect > >&, double, int, int, cv::Size, cv::Size)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(mathfuncs.cpp.o):mathfuncs.cpp:function _GLOBAL__sub_I_mathfuncs.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function std::vector<void*, std::allocator<void*> >::_M_fill_insert(__gnu_cxx::__normal_iterator<void**, std::vector<void*, std::allocator<void*> > >, unsigned int, void* const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(system.cpp.o):system.cpp:function _GLOBAL__sub_I_system.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(parallel.cpp.o):parallel.cpp:function _GLOBAL__sub_I_parallel.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::locale::~locale()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::basic_stringbuf<char, std::char_traits, std::allocator >::~basic_stringbuf(): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cv::read(cv::FileNode const&, std::string&, std::string const&): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::reserve(unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::locale::~locale()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::ios_base::~ios_base()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_M_destroy(std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'std::string::_Rep::_S_empty_rep_storage'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::make_base64_header(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::ios_base()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::locale()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
                              , unsigned int, std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::locale::~locale()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::ios_base::~ios_base()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'std::string::_Rep::_M_dispose(std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_streambuf<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::read_base64_header(std::vector<char, std::allocator > const&, std::string&): error: undefined reference to 'vtable for std::basic_stringbuf<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage
                              , bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function check_if_write_struct_is_delayed(CvFileStorage*, bool) [clone .constprop.228]: error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLWriteScalar(CvFileStorage*, char const*, char const*, int): error: undefined reference to 'std::string::assign(char const*, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::Base64Writer::check_dt(char const*): error: undefined reference to 'std::string::compare(char const*) const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::_M_insert_aux(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocatorstd::string > >, std::string const&): error: undefined reference to 'std::string::assign(std::string const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<std::string, std::allocatorstd::string >::operator=(std::vector<std::string, std::allocatorstd::string > const&): error: undefined reference to 'std::string::assign(std::string const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<char, std::allocator >::_M_insert_aux(__gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator > >, char const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::ios_base()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::locale::locale()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const
                              , unsigned int, std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::init(std::basic_streambuf<char, std::char_traits >)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::ios_base::~ios_base()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::RawDataToBinaryConvertor::make_to_binary_funcs(std::string const&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const
                              ): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::ios_base::ios_base()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::locale::locale()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::istream& std::istream::_M_extract(unsigned int&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::operator>><char, std::char_traits >(std::basic_istream<char, std::char_traits >&, char&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_ios<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function base64::BinaryToCvSeqConvertor::make_funcs(char const*): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::reserve(unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvXMLParseBase64(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::reserve(unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvYMLParseValue(CvFileStorage*, char*, CvFileNode*, int, int): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::append(unsigned int, char)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::replace(unsigned int, unsigned int, char const*, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::string::_M_leak_hard()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function icvJSONParseValue(CvFileStorage*, char*, CvFileNode*): error: undefined reference to 'std::__throw_out_of_range(char const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::rfind(char, unsigned int) const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::string::find(char, unsigned int) const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(std::string const&, unsigned int, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function cvOpenFileStorage: error: undefined reference to 'std::__throw_out_of_range(char const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::KeyPoint*, std::vector<cv::KeyPoint, std::allocatorcv::KeyPoint > >, unsigned int, cv::KeyPoint const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(persistence.cpp.o):persistence.cpp:function std::vector<cv::DMatch, std::allocatorcv::DMatch >::_M_fill_insert(__gnu_cxx::__normal_iterator<cv::DMatch*, std::vector<cv::DMatch, std::allocatorcv::DMatch > >, unsigned int, cv::DMatch const&): error: undefined reference to 'std::__throw_length_error(char const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*) [clone .part.43]: error: undefined reference to 'std::basic_ios<char, std::char_traits >::clear(std::_Ios_Iostate)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::__ostream_insert<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*, int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream::operator<<(short)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::basic_ostringstream(std::_Ios_Openmode)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::str() const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(unsigned long)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::basic_ostringstream<char, std::char_traits, std::allocator >::~basic_ostringstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'vtable for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'VTT for std::basic_ostringstream<char, std::char_traits, std::allocator >'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::string cv::ocl::kerToStr(cv::Mat const&): error: undefined reference to 'std::ostream& std::ostream::_M_insert(double)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::setMaxReservedSize(unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::release(_cl_mem*): error: undefined reference to 'std::__detail::_List_node_base::_M_unhook()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Kernel::set(int, cv::ocl::Image2D const&): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::ios_base::ios_base()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::locale::locale()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_string<char, std::char_traits, std::allocator >::basic_string(char const*, unsigned int, std::allocator const&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_stringbuf<char, std::char_traits, std::allocator >::_M_sync(char*, unsigned int, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istream<char, std::char_traits >& std::getline<char, std::char_traits, std::allocator >(std::basic_istream<char, std::char_traits >&, std::basic_string<char, std::char_traits, std::allocator >&, char)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'std::basic_istringstream<char, std::char_traits, std::allocator >::~basic_istringstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'VTT for std::basic_istringstream<char, std::char_traits, std::allocator >'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::split(std::string const&, char, std::vector<std::string, std::allocatorstd::string >&): error: undefined reference to 'vtable for std::basic_istringstream<char, std::char_traits, std::allocator >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_decrement(std::_Rb_tree_node_base*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function std::_Rb_tree<std::string, std::pair<std::string const, cv::ocl::Program>, std::_Select1st<std::pair<std::string const, cv::ocl::Program> >, std::lessstd::string, std::allocator<std::pair<std::string const, cv::ocl::Program> > >::_M_insert_unique(std::pair<std::string const, cv::ocl::Program> const&): error: undefined reference to 'std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*>(int ()(_cl_platform_id, unsigned int, unsigned int, void*, unsigned int*), _cl_platform_id*, unsigned int, std::string&) [clone .constprop.315]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function int cv::ocl::getStringInfo<int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*>(int ()(_cl_device_id, unsigned int, unsigned int, void*, unsigned int*), _cl_device_id*, unsigned int, std::string&) [clone .constprop.316]: error: undefined reference to 'std::string::_M_mutate(unsigned int, unsigned int, unsigned int)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolBaseImpl<cv::ocl::OpenCLBufferPoolImpl, cv::ocl::CLBufferEntry, _cl_mem*>::_findAndRemoveEntryFromReservedList(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::put(char)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ostream::flush()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::_M_leak_hard()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::compare(char const*) const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::string::find(char const*, unsigned int, unsigned int) const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::operator<< <std::char_traits >(std::basic_ostream<char, std::char_traits >&, char const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::basic_ostream<char, std::char_traits >& std::endl<char, std::char_traits >(std::basic_ostream<char, std::char_traits >&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::ctype::_M_widen_init() const'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::__throw_bad_cast()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::setDefault(): error: undefined reference to 'std::cerr'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::OpenCLBufferPoolImpl::_allocateBufferEntry(cv::ocl::CLBufferEntry&, unsigned int): error: undefined reference to 'std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_increment(std::_Rb_tree_node_base const*)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function cv::ocl::Context::Impl::getProg(cv::ocl::ProgramSource const&, cv::String const&, cv::String&): error: undefined reference to 'std::_Rb_tree_rebalance_for_erase(std::_Rb_tree_node_base*, std::_Rb_tree_node_base&)'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::Init()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(ocl.cpp.o):ocl.cpp:function _GLOBAL__sub_I_ocl.cpp: error: undefined reference to 'std::ios_base::Init::~Init()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::put(cv::utils::trace::details::TraceMessage const&) const: error: undefined reference to 'std::ostream::flush()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_filebuf<char, std::char_traits >::close()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::AsyncTraceStorage(): error: undefined reference to 'std::__basic_file::__basic_file()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::AsyncTraceStorage::~AsyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits >'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'std::basic_ofstream<char, std::char_traits >::~basic_ofstream()'
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_ofstream<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'vtable for std::basic_filebuf<char, std::char_traits >'
                              D:/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: the vtable symbol may be undefined because the class is missing its key function
                              D:/workspace/android-prj/opencv-sdk/opencv-3.3.0-android-sdk/OpenCV-android-sdk/sdk/native/libs/armeabi-v7a/libopencv_core.a(trace.cpp.o):trace.cpp:function cv::utils::trace::details::SyncTraceStorage::~SyncTraceStorage(): error: undefined reference to 'VTT for std::basic_ofstream<char, std::char_traits

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