[Patch v2] x86/build: require only gcc use -maccumulate-outgoing-args

[Nick Desaulniers]

Other compilers, like clang, treat unknown compiler flags as errors.

Signed-off-by: Nick Desaulniers <nick.desaulniers@xxxxxxxxx>
---
 arch/x86/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 4430dd489620..12757a252e6b 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -179,7 +179,7 @@ ifdef CONFIG_JUMP_LABEL
 endif
 
 ifeq ($(ACCUMULATE_OUTGOING_ARGS), 1)
-	KBUILD_CFLAGS += -maccumulate-outgoing-args
+	KBUILD_CFLAGS += $(if $(filter gcc,$(cc-name)),-maccumulate-outgoing-args)
 endif
 
 # Stackpointer is addressed different for 32 bit and 64 bit x86
-- 
2.11.0