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perf tools: Fix compile error with libunwind x86

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Fix a compile error:

 ...
   CC       util/libunwind/x86_32.o
 In file included from util/libunwind/x86_32.c:33:0:
 util/libunwind/../../arch/x86/util/unwind-libunwind.c: In function 'libunwind__x86_reg_id':
 util/libunwind/../../arch/x86/util/unwind-libunwind.c:110:11: error: 'EINVAL' undeclared (first use in this function)
    return -EINVAL;
            ^
 util/libunwind/../../arch/x86/util/unwind-libunwind.c:110:11: note: each undeclared identifier is reported only once for each function it appears in
 mv: cannot stat 'util/libunwind/.x86_32.o.tmp': No such file or directory
 make[4]: *** [util/libunwind/x86_32.o] Error 1
 make[3]: *** [util] Error 2
 make[2]: *** [libperf-in.o] Error 2
 make[1]: *** [sub-make] Error 2
 make: *** [all] Error 2

It happens when libunwind-x86 feature is detected.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20171206015040.114574-1-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Wang Nan 2017-12-06 01:50:40 +00:00 committed by Arnaldo Carvalho de Melo
parent e0337f4f9a
commit 44df1afdb1
1 changed files with 1 additions and 1 deletions
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2
tools/perf/arch/x86/util/unwind-libunwind.c
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@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#ifndef REMOTE_UNWIND_LIBUNWIND
#include <errno.h>
#ifndef REMOTE_UNWIND_LIBUNWIND
#include <libunwind.h>
#include "perf_regs.h"
#include "../../util/unwind.h"