From 19382386b907c42fef0d8f17a67188f5f765bcab Mon Sep 17 00:00:00 2001
From: "S. B. Tam" <cpplearner@outlook.com>
Date: Sun, 11 May 2025 08:54:01 +0800
Subject: [PATCH] `stl/CMakeLists.txt`: Link against `softintrin.lib` when
 targeting ARM64/ARM64EC

---
 stl/CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/stl/CMakeLists.txt b/stl/CMakeLists.txt
index 10d21b3173c..73830b2d022 100644
--- a/stl/CMakeLists.txt
+++ b/stl/CMakeLists.txt
@@ -507,6 +507,9 @@ function(add_stl_dlls D_SUFFIX REL_OR_DBG)
 
     add_library(msvcp${D_SUFFIX} SHARED)
     target_link_libraries(msvcp${D_SUFFIX} PRIVATE msvcp${D_SUFFIX}_eha_objects msvcp${D_SUFFIX}_objects msvcp${D_SUFFIX}_init_objects "${TOOLSET_LIB}/vcruntime${D_SUFFIX}.lib" "${TOOLSET_LIB}/msvcrt${D_SUFFIX}.lib" "ucrt${D_SUFFIX}.lib")
+    if(VCLIBS_TARGET_ARCHITECTURE MATCHES "^arm64(ec)?$")
+        target_link_libraries(msvcp${D_SUFFIX} PRIVATE "softintrin.lib")
+    endif()
     set_target_properties(msvcp${D_SUFFIX} PROPERTIES ARCHIVE_OUTPUT_NAME "msvcp140_base${D_SUFFIX}${VCLIBS_SUFFIX}")
     set_target_properties(msvcp${D_SUFFIX} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")
     set_target_properties(msvcp${D_SUFFIX} PROPERTIES OUTPUT_NAME "msvcp140${D_SUFFIX}${VCLIBS_SUFFIX}")