$OpenBSD: patch-orte_mca_oob_tcp_oob_tcp_c,v 1.1.1.1 2009/10/10 18:11:42 jasper Exp $
--- orte/mca/oob/tcp/oob_tcp.c.orig	Fri Aug 21 14:33:42 2009
+++ orte/mca/oob/tcp/oob_tcp.c	Fri Aug 21 15:08:55 2009
@@ -513,7 +513,7 @@ mca_oob_tcp_create_listen(int *target_sd, unsigned sho
         addrlen = res->ai_addrlen;
         freeaddrinfo (res);
         
-#ifdef IPV6_V6ONLY
+#if defined(IPV6_V6ONLY) && !defined(__OpenBSD__)
         /* in case of AF_INET6, disable v4-mapped addresses */
         if (AF_INET6 == af_family) {
             int flg = 0;
