This is needed because clang doesn't select which linker to use based on $LD but rather -fuse-ld=$(LD). This is problematic especially for cc-ldoption, which checks for linker flag support via invoking the compiler, rather than the linker.
Link: https://github.com/ClangBuiltLinux/linux/issues/342 Suggested-by: Nathan Chancellor <natechancel...@gmail.com> Signed-off-by: Nick Desaulniers <ndesaulni...@google.com> --- Makefile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Makefile b/Makefile index 0eae4277206e..6307c17259ea 100644 --- a/Makefile +++ b/Makefile @@ -502,6 +502,9 @@ endif CLANG_FLAGS += -no-integrated-as KBUILD_CFLAGS += $(CLANG_FLAGS) KBUILD_AFLAGS += $(CLANG_FLAGS) +ifneq ($(shell $(LD) --version 2>&1 | head -n 1 | grep LLD),) +CLANG_FLAGS += -fuse-ld=lld +endif export CLANG_FLAGS endif -- 2.20.1.791.gb4d0f1c61a-goog
