linux-kernel - [PATCH 3.16 353/366] perf tools: define _DEFAULT_SOURCE for glibc

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Date:   Sun, 11 Nov 2018 19:49:05 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "Ingo Molnar" <mingo@...nel.org>,
        "Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
        "Arnaldo Carvalho de Melo" <acme@...hat.com>,
        "Paul Mackerras" <paulus@...ba.org>,
        "Chanho Park" <chanho61.park@...sung.com>
Subject: [PATCH 3.16 353/366] perf tools: define _DEFAULT_SOURCE for
 glibc_2.20

3.16.61-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Chanho Park <chanho61.park@...sung.com>

commit 512fe365373b9c95a70b4b6357503ee74d27214f upstream.

_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>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1410487817-13403-1-git-send-email-chanho61.park@samsung.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 tools/perf/util/util.h | 2 ++
 1 file changed, 2 insertions(+)

--- 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>