linux-kernel - [PATCH 3/5] kbuild: LLVMLinux: Fix LINUX_COMPILER definition script for compilation with clang

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Message-Id: <1393376923-21892-4-git-send-email-behanw@converseincode.com>
Date:	Tue, 25 Feb 2014 17:08:41 -0800
From:	behanw@...verseincode.com
To:	mmarek@...e.cz, tglx@...utronix.de, mingo@...hat.com,
	hpa@...or.com, x86@...nel.org, sparse@...isli.org
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-sparse@...r.kernel.org, torvalds@...ux-foundation.org,
	dwmw2@...radead.org, pageexec@...email.hu,
	Jan-Simon Möller <dl9pf@....de>,
	Behan Webster <behanw@...verseincode.com>,
	Mark Charlebois <charlebm@...il.com>
Subject: [PATCH 3/5] kbuild: LLVMLinux: Fix LINUX_COMPILER definition script for compilation with clang

From: Jan-Simon Möller <dl9pf@....de>

When building the LINUX_COMPILER definition, instead of merely taking the last
line from "$(CC) -v", grep for ' version ' in the output. This supports both
gcc and clang.

Signed-off-by: Jan-Simon Möller <dl9pf@....de>
Signed-off-by: Behan Webster <behanw@...verseincode.com>
Signed-off-by: Mark Charlebois <charlebm@...il.com>
Cc: PaX Team <pageexec@...email.hu>
---
 scripts/mkcompile_h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h
index f221ddf..cfb8440 100755
--- a/scripts/mkcompile_h
+++ b/scripts/mkcompile_h
@@ -76,7 +76,7 @@ UTS_TRUNCATE="cut -b -$UTS_LEN"
   echo \#define LINUX_COMPILE_BY \"`echo $LINUX_COMPILE_BY | $UTS_TRUNCATE`\"
   echo \#define LINUX_COMPILE_HOST \"`echo $LINUX_COMPILE_HOST | $UTS_TRUNCATE`\"
 
-  echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | tail -n 1`\"
+  echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | grep ' version '`\"
 ) > .tmpcompile
 
 # Only replace the real compile.h if the new one is different,
-- 
1.8.3.2

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