LoongArch: vDSO: Use CLANG_FLAGS instead of filtering out '--target='

This is a port of commit 76d7fff22be3e ("MIPS: VDSO: Use CLANG_FLAGS
instead of filtering out '--target='") to arch/loongarch, for fixing
cross-compilation with Clang.

Reported-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://github.com/ClangBuiltLinux/linux/issues/1787#issuecomment-1608306002
Signed-off-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

diff --git a/arch/loongarch/vdso/Makefile b/arch/loongarch/vdso/Makefile
index 3f9df4d..a50308b 100644 (file)
--- a/arch/loongarch/vdso/Makefile
+++ b/arch/loongarch/vdso/Makefile
@@ -12,12 +12,9 @@ ccflags-vdso := \
        $(filter -E%,$(KBUILD_CFLAGS)) \
        $(filter -march=%,$(KBUILD_CFLAGS)) \
        $(filter -m%-float,$(KBUILD_CFLAGS)) \
+       $(CLANG_FLAGS) \
        -D__VDSO__
 
-ifeq ($(cc-name),clang)
-ccflags-vdso += $(filter --target=%,$(KBUILD_CFLAGS))
-endif
-
 cflags-vdso := $(ccflags-vdso) \
        -isystem $(shell $(CC) -print-file-name=include) \
        $(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \