Commit 4a1bec46 authored by Nick Desaulniers's avatar Nick Desaulniers Committed by Ingo Molnar

x86/build: Don't add -maccumulate-outgoing-args w/o compiler support

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 a working kernel.
Signed-off-by: default avatarNick Desaulniers <nick.desaulniers@gmail.com>
Reviewed-by: default avatarJosh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170509032946.20444-1-nick.desaulniers@gmail.comSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent d2b6dc61
......@@ -179,7 +179,8 @@ ifdef CONFIG_JUMP_LABEL
endif
ifeq ($(ACCUMULATE_OUTGOING_ARGS), 1)
KBUILD_CFLAGS += -maccumulate-outgoing-args
# This compiler flag is not supported by Clang:
KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args,)
endif
# Stackpointer is addressed different for 32 bit and 64 bit x86
......
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