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.desaulni...@gmail.com> --- arch/x86/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 4430dd489620..8c4dcba9a6a7 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -179,7 +179,8 @@ ifdef CONFIG_JUMP_LABEL endif ifeq ($(ACCUMULATE_OUTGOING_ARGS), 1) - KBUILD_CFLAGS += -maccumulate-outgoing-args + # Unsupported by Clang. + KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args,) endif # Stackpointer is addressed different for 32 bit and 64 bit x86 -- 2.11.0
