From 9ddf0075f9184f1e1dabf7bfea6397b00ee17e46 Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton@samba.org>
Date: Thu, 26 Nov 2015 10:45:49 +1100
Subject: powerpc: Avoid -maltivec when using clang integrated assembler

Check the assembler supports -maltivec by wrapping it with
call as-option.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 709a22a..b41f4c6 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -221,7 +221,7 @@ KBUILD_CFLAGS		+= -mno-sched-epilog
 endif
 
 cpu-as-$(CONFIG_4xx)		+= -Wa,-m405
-cpu-as-$(CONFIG_ALTIVEC)	+= -Wa,-maltivec
+cpu-as-$(CONFIG_ALTIVEC)	+= $(call as-option,-Wa$(comma)-maltivec)
 cpu-as-$(CONFIG_E200)		+= -Wa,-me200
 
 KBUILD_AFLAGS += $(cpu-as-y)
-- 
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