linux-kernel - [PATCH 01/19] perf config: Fix build with older toolchain.

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Date:	Thu,  7 Apr 2016 17:58:22 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Vinson Lee <vlee@...edesktop.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Alexei Starovoitov <ast@...mgrid.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Josh Poimboeuf <jpoimboe@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Taeung Song <treeze.taeung@...il.com>,
	Wang Nan <wangnan0@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 01/19] perf config: Fix build with older toolchain.

From: Vinson Lee <vlee@...edesktop.org>

Fix build error on Ubuntu 12.04.5 with GCC 4.6.3.

    CC       util/config.o
  util/config.c: In function ‘perf_buildid_config’:
  util/config.c:384:15: error: declaration of ‘dirname’ shadows a global declaration [-Werror=shadow]

Signed-off-by: Vinson Lee <vlee@...edesktop.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Alexei Starovoitov <ast@...mgrid.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Taeung Song <treeze.taeung@...il.com>
Cc: Wang Nan <wangnan0@...wei.com>
Fixes: 9cb5987c8227 ("perf config: Rework buildid_dir_command_config to perf_buildid_config")
Link: http://lkml.kernel.org/r/1459807659-9020-1-git-send-email-vlee@freedesktop.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/config.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 5c20d783423b..664490b8b327 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -381,11 +381,11 @@ static int perf_buildid_config(const char *var, const char *value)
 {
 	/* same dir for all commands */
 	if (!strcmp(var, "buildid.dir")) {
-		const char *dirname = perf_config_dirname(var, value);
+		const char *dir = perf_config_dirname(var, value);
 
-		if (!dirname)
+		if (!dir)
 			return -1;
-		strncpy(buildid_dir, dirname, MAXPATHLEN-1);
+		strncpy(buildid_dir, dir, MAXPATHLEN-1);
 		buildid_dir[MAXPATHLEN-1] = '\0';
 	}
 
-- 
2.5.5