[PATCH 1/2] perf tools: Guard _GNU_SOURCE in pmu-events/jevents.c

From: Tony Jones
Date: Mon Apr 24 2017 - 00:27:12 EST


Guard _GNU_SOURCE (as done in pt-decoder/intel-pt-decoder.c) to prevent
possible redefinition error.

Signed-off-by: Tony Jones <tonyj@xxxxxxx>
---
tools/perf/pmu-events/jevents.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index baa073f38334..b6300e875b87 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -1,5 +1,7 @@
#define _XOPEN_SOURCE 500 /* needed for nftw() */
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE /* needed for asprintf() */
+#endif

/* Parse event JSON files */

--
2.11.0