linux-kernel - [PATCH] x86: LLVMLinux: Wrap -mno-80387 with cc-option

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Date:	Mon, 21 Apr 2014 22:40:27 -0700
From:	behanw@...verseincode.com
To:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com, x86@...nel.org
Cc:	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	dwmw2@...radead.org, pageexec@...email.hu,
	Behan Webster <behanw@...verseincode.com>
Subject: [PATCH] x86: LLVMLinux: Wrap -mno-80387 with cc-option

From: Behan Webster <behanw@...verseincode.com>

Wrap -mno-80387 gcc options with cc-option so they don't break clang.

Signed-off-by: Behan Webster <behanw@...verseincode.com>
---
 arch/x86/Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index d1b7c37..ce6ad7e 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -83,7 +83,9 @@ else
         KBUILD_CFLAGS += -m64
 
         # Don't autogenerate traditional x87, MMX or SSE instructions
-        KBUILD_CFLAGS += -mno-mmx -mno-sse -mno-80387 -mno-fp-ret-in-387
+        KBUILD_CFLAGS += -mno-mmx -mno-sse
+        KBUILD_CFLAGS += $(call cc-option,-mno-80387)
+        KBUILD_CFLAGS += $(call cc-option,-mno-fp-ret-in-387)
 
 	# Use -mpreferred-stack-boundary=3 if supported.
 	KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=3)
-- 
1.8.3.2

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