[Patch v3] x86/build: don't add -maccumulate-outgoing-args w/o compiler support

From: Nick Desaulniers
Date: Fri May 05 2017 - 23:05:46 EST


Clang does not support this machine dependent option.

Older versions of GCC (pre 3.0) may not support this option, added in
2000, but it's unlikely they can still compile the kernel.

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..5a0ac8411792 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 += $(call cc-option,-maccumulate-outgoing-args,)
endif

# Stackpointer is addressed different for 32 bit and 64 bit x86
--
2.11.0