Add Module Linker flags

Author: tstellar

clang/cmake/caches/llvm-toolchain/stage2.cmake

@@ -13,4 +13,5 @@ set(LLVM_STATIC_LINK_CXX_STDLIB ON CACHE BOOL "")
 set(CLANG_BOLT "INSTRUMENT" CACHE STRING "")
 set(CMAKE_EXE_LINKER_FLAGS "-Wl,--emit-relocs,-znow -rtlib=compiler-rt --unwindlib=libunwind -static-libgcc" CACHE STRING "")
 set(CMAKE_SHARED_LINKER_FLAGS "-rtlib=compiler-rt --unwindlib=libunwind -static-libgcc" CACHE STRING "")
+set(CMAKE_MODULE_LINKER_FLAGS "-rtlib=compiler-rt --unwindlib=libunwind -static-libgcc" CACHE STRING "")
 set(LLVM_DISTRIBUTION_COMPONENTS clang lld runtimes clang-resource-headers CACHE STRING "")