linux-kernel - [tip:perfcounters/core] perf_counter tools: Remove -march=native

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Date:	Fri, 5 Jun 2009 16:01:02 GMT
From:	tip-bot for Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, paulus@...ba.org,
	hpa@...or.com, mingo@...hat.com, a.p.zijlstra@...llo.nl,
	efault@....de, rostedt@...dmis.org, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:perfcounters/core] perf_counter tools: Remove -march=native

Commit-ID:  136107a76fe5f62906162f730834477b71cf131e
Gitweb:     http://git.kernel.org/tip/136107a76fe5f62906162f730834477b71cf131e
Author:     Ingo Molnar <mingo@...e.hu>
AuthorDate: Fri, 5 Jun 2009 17:56:21 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 5 Jun 2009 17:56:21 +0200

perf_counter tools: Remove -march=native

Turns out that neither PowerPC nor older x86 compilers know this switch
..

and since it does not make a measurable difference, just omit it.

Reported-by: Paul Mackerras <paulus@...ba.org>
Reported-by: Steven Rostedt <rostedt@...dmis.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Mike Galbraith <efault@....de>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 Documentation/perf_counter/Makefile |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Documentation/perf_counter/Makefile b/Documentation/perf_counter/Makefile
index c9ec458..5b99f04 100644
--- a/Documentation/perf_counter/Makefile
+++ b/Documentation/perf_counter/Makefile
@@ -159,7 +159,7 @@ uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
 
 # CFLAGS and LDFLAGS are for the users to override from the command line.
 
-CFLAGS = -ggdb3 -Wall -Werror -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -O6 -march=native
+CFLAGS = -ggdb3 -Wall -Werror -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -O6
 LDFLAGS = -lpthread -lrt -lelf
 ALL_CFLAGS = $(CFLAGS)
 ALL_LDFLAGS = $(LDFLAGS)
--
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