--- aomdv/aomdv.cc.org	2012-06-04 16:32:39.000000000 +0900
+++ aomdv/aomdv.cc	2012-06-04 16:33:09.000000000 +0900
@@ -82,6 +82,7 @@
 
 //#include <ip.h>
 
+#include <sys/socket.h>
 #include <aomdv/aomdv.h>
 #include <aomdv/aomdv_packet.h>
 #include <random.h>