linux-kernel - [PATCH] perf tools: define _DEFAULT_SOURCE for glibc

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Date:	Fri, 12 Sep 2014 11:10:17 +0900
From:	Chanho Park <chanho61.park@...sung.com>
To:	a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com,
	acme@...nel.org
Cc:	linux-kernel@...r.kernel.org,
	Chanho Park <chanho61.park@...sung.com>
Subject: [PATCH] perf tools: define _DEFAULT_SOURCE for glibc_2.20

_BSD_SOURCE was deprecated in favour of _DEFAULT_SOURCE since glibc
2.20[1]. To avoid build warning on glibc2.20, _DEFAULT_SOURCE should
also be defined.

[1]: https://sourceware.org/glibc/wiki/Release/2.20

Signed-off-by: Chanho Park <chanho61.park@...sung.com>
---
 tools/perf/util/util.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 6686436..333d9d1 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -39,6 +39,8 @@
 
 #define _ALL_SOURCE 1
 #define _BSD_SOURCE 1
+/* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
+#define _DEFAULT_SOURCE 1
 #define HAS_BOOL
 
 #include <unistd.h>
-- 
1.9.1

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