--- mozilla-release.orig/media/libcubeb/src/cubeb_alsa.c	2013-09-11 01:15:15.000000000 +0200
+++ mozilla-release/media/libcubeb/src/cubeb_alsa.c	2013-10-23 16:28:38.000000000 +0200
@@ -5,6 +5,7 @@
  * accompanying file LICENSE for details.
  */
 #undef NDEBUG
+#define _POSIX_SOURCE
 #define _BSD_SOURCE
 #define _XOPEN_SOURCE 500
 #include <pthread.h>
