$NetBSD$

--- include/omniORB4/internal/SocketCollection.h.orig	2009-05-06 16:16:09.000000000 +0000
+++ include/omniORB4/internal/SocketCollection.h
@@ -188,7 +188,7 @@
 #   undef OMNI_IPV6_SOCKETS_ACCEPT_IPV4_CONNECTIONS
 #endif
 
-#if defined(__freebsd__) || defined(__netbsd__)
+#if defined(__freebsd__) || defined(__netbsd__) || defined(__dragonfly__)
 #   undef OMNI_IPV6_SOCKETS_ACCEPT_IPV4_CONNECTIONS
 #endif
 
