Fix udp.c compilation with recent glibc (>= 2.8)

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@14963 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

diff --git a/libavformat/udp.c b/libavformat/udp.c
index 17301307300dbd1a62c32d8719b7c3da7a701f5d..6a2e642fe329ee628912bdf699bc39ce3474ee39 100644 (file)
--- a/libavformat/udp.c
+++ b/libavformat/udp.c
@@ -24,6 +24,7 @@
  * UDP protocol
  */
 
+#define _BSD_SOURCE     /* Needed for using struct ip_mreq with recent glibc */
 #include "avformat.h"
 #include <unistd.h>
 #include "network.h"