Commit-ID: 3f34f6c0233ae055b592e8f8da23d873b82070bb
Gitweb: http://git.kernel.org/tip/3f34f6c0233ae055b592e8f8da23d873b82070bb
Author: Irina Tirdea <irina.tirdea@xxxxxxxxx>
AuthorDate: Tue, 11 Sep 2012 01:15:00 +0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
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@xxxxxxxxx>
Suggested-by: Pekka Enberg <penberg@xxxxxxxxxx>
Signed-off-by: Irina Tirdea <irina.tirdea@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Irina Tirdea <irina.tirdea@xxxxxxxxx>
Cc: Namhyung Kim <namhyung.kim@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1347315303-29906-4-git-send-email-irina.tirdea@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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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