linux-kernel - [tip:perf/core] perf tools: include _

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Message-ID: <tip-3f34f6c0233ae055b592e8f8da23d873b82070bb@git.kernel.org>
Date:	Thu, 13 Sep 2012 22:56:28 -0700
From:	tip-bot for Irina Tirdea <irina.tirdea@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	mingo@...hat.com, hpa@...or.com, mingo@...nel.org,
	a.p.zijlstra@...llo.nl, penberg@...nel.org, namhyung.kim@....com,
	rostedt@...dmis.org, irina.tirdea@...el.com,
	irina.tirdea@...il.com, dsahern@...il.com, tglx@...utronix.de
Subject: [tip:perf/core] perf tools: include __WORDSIZE definition

Commit-ID:  3f34f6c0233ae055b592e8f8da23d873b82070bb
Gitweb:     http://git.kernel.org/tip/3f34f6c0233ae055b592e8f8da23d873b82070bb
Author:     Irina Tirdea <irina.tirdea@...il.com>
AuthorDate: Tue, 11 Sep 2012 01:15:00 +0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 11 Sep 2012 11:47:45 -0300

perf tools: include __WORDSIZE definition

__WORDSIZE is GLibC-specific and is not defined on all systems or glibc
versions (e.g. Android's bionic does not define it).

In file included from util/include/linux/bitmap.h:5:0,
                 from util/header.h:10,
                 from util/session.h:6,
                 from util/build-id.h:4,
                 from util/annotate.c:11:
util/include/linux/bitops.h: In function 'set_bit':
util/include/linux/bitops.h:25:12: error:
'__WORDSIZE' undeclared (first use in this function)
util/include/linux/bitops.h:25:12: note:
each undeclared identifier is reported only once for each function it appears in
util/include/linux/bitops.h:23:51: error:
parameter 'addr' set but not used [-Werror=unused-but-set-parameter]
util/include/linux/bitops.h: In function 'clear_bit':
util/include/linux/bitops.h:30:12: error:
'__WORDSIZE' undeclared (first use in this function)
util/include/linux/bitops.h:28:53: error:
parameter 'addr' set but not used [-Werror=unused-but-set-parameter]
In file included from util/header.h:10:0,
                 from util/session.h:6,
                 from util/build-id.h:4,
                 from util/annotate.c:11:
util/include/linux/bitmap.h: In function 'bitmap_zero':
util/include/linux/bitmap.h:22:6: error:
'__WORDSIZE' undeclared (first use in this function)

Defining __WORDSIZE in perf's headers if it is not already defined.

Suggested-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Suggested-by: Pekka Enberg <penberg@...nel.org>
Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Irina Tirdea <irina.tirdea@...el.com>
Cc: Namhyung Kim <namhyung.kim@....com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Steven Rostedt <rostedt@...dmis.org>
Link: http://lkml.kernel.org/r/1347315303-29906-4-git-send-email-irina.tirdea@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/include/linux/bitops.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h
index 587a230..a55d8cf 100644
--- a/tools/perf/util/include/linux/bitops.h
+++ b/tools/perf/util/include/linux/bitops.h
@@ -5,6 +5,10 @@
 #include <linux/compiler.h>
 #include <asm/hweight.h>
 
+#ifndef __WORDSIZE
+#define __WORDSIZE (__SIZEOF_LONG__ * 8)
+#endif
+
 #define BITS_PER_LONG __WORDSIZE
 #define BITS_PER_BYTE           8
 #define BITS_TO_LONGS(nr)       DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
--
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