use gnu ld for m68k target

Author: knickish

compiler/rustc_target/src/spec/targets/m68k_unknown_linux_gnu.rs

@@ -1,5 +1,5 @@
 usecrate::abi::Endian;
-usecrate::spec::{Target,TargetOptions, base};
+usecrate::spec::{LinkSelfContainedDefault,Target,TargetOptions, base};
 
 pub(crate)fntarget() -> Target{
 letmut base = base::linux_gnu::opts();
@@ -17,6 +17,13 @@ pub(crate) fn target() -> Target {
 pointer_width:32,
 data_layout:"E-m:e-p:32:16:32-i8:8:8-i16:16:16-i32:16:32-n8:16:32-a:0:16-S16".into(),
 arch:"m68k".into(),
-options:TargetOptions{endian:Endian::Big,mcount:"_mcount".into(), ..base },
+options:TargetOptions{
+endian:Endian::Big,
+mcount:"_mcount".into(),
+
+// LLD currently does not have support for M68k
+link_self_contained:LinkSelfContainedDefault::False,
+ ..base
+},
 }
 }