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authorArnaldo Carvalho de Melo <acme@redhat.com>2016-07-05 14:43:27 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-07-12 15:19:53 -0300
commit48e1f91ad2cadcb5689a2a3b6ed141d45009b45e (patch)
tree90f1cf4f01d30b3152727e68a9a88a6d074e4402
parent1fbe7df819d9958f139b87014a2f0d5b34da76d5 (diff)
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perf trace: Add conditional define for AT_FDCWD
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>
-rw-r--r--tools/perf/builtin-trace.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index e7e0b6e306b7..570a78c706c2 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -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)
{