linux-kernel - [tip:perf/core] jump label: Fix GCC feature check when distcc is used

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Date:	Fri, 24 Sep 2010 09:02:41 GMT
From:	tip-bot for Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	rostedt@...dmis.org, jbaron@...hat.com, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:perf/core] jump label: Fix GCC feature check when distcc is used

Commit-ID:  d6dad199a10423ce37b8bfec1f055c380dc4a3d5
Gitweb:     http://git.kernel.org/tip/d6dad199a10423ce37b8bfec1f055c380dc4a3d5
Author:     Ingo Molnar <mingo@...e.hu>
AuthorDate: Fri, 24 Sep 2010 09:12:25 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 24 Sep 2010 09:12:25 +0200

jump label: Fix GCC feature check when distcc is used

The following build bug occurs on distcc builds:

   CC      arch/x86/kernel/asm-offsets.s
 In file included from include/linux/module.h:24,
                  from include/linux/crypto.h:22,
                  from arch/x86/kernel/asm-offsets_64.c:9,
                  from arch/x86/kernel/asm-offsets.c:5:
 include/trace/events/module.h: In function 'trace_module_load':
 include/trace/events/module.h:18: error: expected '(' before 'goto'
 include/trace/events/module.h:18: error: expected identifier or '*' before '(' token

It triggers because distcc is invoked by turning $CC into "distcc gcc",
but gcc-goto.sh check script was using $1 not $@ to expand parameters.

Cc: Jason Baron <jbaron@...hat.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
LKML-Reference: <20100923034910.867858597@...dmis.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 scripts/gcc-goto.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/scripts/gcc-goto.sh b/scripts/gcc-goto.sh
index 8e82424..520d16b 100644
--- a/scripts/gcc-goto.sh
+++ b/scripts/gcc-goto.sh
@@ -2,4 +2,4 @@
 # Test for gcc 'asm goto' suport
 # Copyright (C) 2010, Jason Baron <jbaron@...hat.com>
 
-echo "int main(void) { entry: asm goto (\"\"::::entry); return 0; }" | $1 -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"
+echo "int main(void) { entry: asm goto (\"\"::::entry); return 0; }" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"
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