--- src/relayd.c.orig	2009-10-05 03:59:08.000000000 +0200
+++ src/relayd.c	2009-10-05 03:59:44.000000000 +0200
@@ -57,6 +57,9 @@
 #ifndef PF_LOCAL
 # define PF_LOCAL PF_UNIX
 #endif
+#ifndef MSG_NOSIGNAL
+# define MSG_NOSIGNAL 0 /* Uho */
+#endif
 
 #include <libtun6/tun6.h>
 
