[cmake] Work around more -Wunused-driver-argument warnings
add_compiler_rt_object_libraries should strip out the -msse3 option on
non-macOS Apple platforms.
llvm-svn: 312688
diff --git a/compiler-rt/cmake/Modules/AddCompilerRT.cmake b/compiler-rt/cmake/Modules/AddCompilerRT.cmake
index 622292e..700c31f 100644
--- a/compiler-rt/cmake/Modules/AddCompilerRT.cmake
+++ b/compiler-rt/cmake/Modules/AddCompilerRT.cmake
@@ -56,8 +56,15 @@
foreach(libname ${libnames})
add_library(${libname} OBJECT ${LIB_SOURCES})
+
+ # Strip out -msse3 if this isn't macOS.
+ set(target_flags ${LIB_CFLAGS})
+ if(APPLE AND NOT "${libname}" MATCHES ".*\.osx.*")
+ list(REMOVE_ITEM target_flags "-msse3")
+ endif()
+
set_target_compile_flags(${libname}
- ${CMAKE_CXX_FLAGS} ${extra_cflags_${libname}} ${LIB_CFLAGS})
+ ${CMAKE_CXX_FLAGS} ${extra_cflags_${libname}} ${target_flags})
set_property(TARGET ${libname} APPEND PROPERTY
COMPILE_DEFINITIONS ${LIB_DEFS})
set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Libraries")