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perf trace: Add conditional define for AT_FDCWD

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This one was only defined if _GNU_SOURCE was set in older glibc
versions, check that and provide the define in such cases.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-ilsgsysr6s3mru7rf2befnu5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2016-07-05 14:43:27 -03:00
parent 1fbe7df819
commit 48e1f91ad2
1 changed files with 4 additions and 0 deletions
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4
tools/perf/builtin-trace.c
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@ -334,6 +334,10 @@ static size_t syscall_arg__scnprintf_fd(char *bf, size_t size,
#define SCA_FD syscall_arg__scnprintf_fd
#ifndef AT_FDCWD
#define AT_FDCWD -100
#endif
static size_t syscall_arg__scnprintf_fd_at(char *bf, size_t size,
struct syscall_arg *arg)
{