X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Fltt-ring-buffer-metadata-client.h;h=3fa785a2265e7c2381931ba0e938c2f9f402c4ba;hb=5ad63a1632792c8bc40fa5bc9f7f45f037a68032;hp=7e79b116fa613a672be0efaeb0a2c1987536c762;hpb=e9d165be13c8d6e3c0f60e5eca9bf2c5fbfa7712;p=lttng-ust.git

diff --git a/liblttng-ust/ltt-ring-buffer-metadata-client.h b/liblttng-ust/ltt-ring-buffer-metadata-client.h
index 7e79b116..3fa785a2 100644
--- a/liblttng-ust/ltt-ring-buffer-metadata-client.h
+++ b/liblttng-ust/ltt-ring-buffer-metadata-client.h
@@ -8,6 +8,7 @@
  * Dual LGPL v2.1/GPL v2 license.
  */
 
+#define _GNU_SOURCE
 #include <stdint.h>
 #include <lttng/ust-events.h>
 #include "lttng/bitfield.h"