linux-kernel - [tip:x86/urgent] x86: LLVMLinux: Wrap -mno-80387 with cc-option

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Message-ID: <tip-8f2dd677bec68fb55904799a82674c9e64b23be3@git.kernel.org>
Date:	Tue, 22 Apr 2014 02:45:36 -0700
From:	tip-bot for Behan Webster <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	behanw@...verseincode.com, tglx@...utronix.de
Subject: [tip:x86/urgent] x86: LLVMLinux: Wrap -mno-80387 with cc-option

Commit-ID:  8f2dd677bec68fb55904799a82674c9e64b23be3
Gitweb:     http://git.kernel.org/tip/8f2dd677bec68fb55904799a82674c9e64b23be3
Author:     Behan Webster <behanw@...verseincode.com>
AuthorDate: Mon, 21 Apr 2014 22:40:27 -0700
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 22 Apr 2014 11:41:16 +0200

x86: LLVMLinux: Wrap -mno-80387 with cc-option

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

Signed-off-by: Behan Webster <behanw@...verseincode.com>
Cc: torvalds@...ux-foundation.org
Cc: dwmw2@...radead.org
Cc: pageexec@...email.hu
Link: http://lkml.kernel.org/r/1398145227-25053-1-git-send-email-behanw@converseincode.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 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)
--
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