linux-kernel - [PATCH 11/11] perf header: Fix build on old systems

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Message-Id: <1319651314-29404-12-git-send-email-acme@infradead.org>
Date:	Wed, 26 Oct 2011 15:48:34 -0200
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 11/11] perf header: Fix build on old systems

From: Arnaldo Carvalho de Melo <acme@...hat.com>

For instance, on Fedora 8:

CC /home/acme/git/build/perf/util/header.o
cc1: warnings being treated as errors
util/header.c: In function ‘write_cpudesc’:
util/header.c:281: warning: implicit declaration of function ‘getline’
util/header.c:281: warning: nested extern declaration of ‘getline’
make: *** [/home/acme/git/build/perf/util/header.o] Error 1
make: Leaving directory `/home/acme/git/linux/tools/perf'
[acme@...alhost linux]$

This happens due to header ordering, in perf util.h sets _GNU_SOURCE, so
it must come first.

Reported-by: Ingo Molnar <mingo@...e.hu>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-alfra9wao63euguj7gr8jw7e@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/header.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 76c0b2c..bcd05d0 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1,5 +1,6 @@
 #define _FILE_OFFSET_BITS 64
 
+#include "util.h"
 #include <sys/types.h>
 #include <byteswap.h>
 #include <unistd.h>
@@ -11,7 +12,6 @@
 
 #include "evlist.h"
 #include "evsel.h"
-#include "util.h"
 #include "header.h"
 #include "../perf.h"
 #include "trace-event.h"
-- 
1.6.2.5

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