$OpenBSD: patch-src_sock_c,v 1.1 2009/06/02 21:08:23 merdely Exp $
--- src/sock.c.orig	Wed Nov 26 10:46:14 2008
+++ src/sock.c	Tue Jun  2 16:52:41 2009
@@ -42,6 +42,10 @@ MA 02110-1301 USA
 #include "sock.h"
 #include "conf.h"
 
+#ifndef ENOTSUP
+#define ENOTSUP 4096
+#endif
+
 #ifndef SOL_IP
 #define SOL_IP 0
 #endif
