[sanitizer] Don't add --export-dynamic for Myriad
This is to work around a bug in some versions of gnu ld, where
--export-dynamic implies -shared even if -static is explicitly given.
Myriad supports static linking only, so --export-dynamic is never
needed.
Differential Revision: https://reviews.llvm.org/D46452
llvm-svn: 332635
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index 854d5e1..9a3ab8d 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -538,6 +538,11 @@
// the option, so don't try to pass it.
if (TC.getTriple().getOS() == llvm::Triple::Solaris)
return true;
+ // Myriad is static linking only. Furthermore, some versions of its
+ // linker have the bug where --export-dynamic overrides -static, so
+ // don't use --export-dynamic on that platform.
+ if (TC.getTriple().getVendor() == llvm::Triple::Myriad)
+ return true;
SmallString<128> SanRT(TC.getCompilerRT(Args, Sanitizer));
if (llvm::sys::fs::exists(SanRT + ".syms")) {
CmdArgs.push_back(Args.MakeArgString("--dynamic-list=" + SanRT + ".syms"));