$NetBSD: patch-libnetutil_netutil.cc,v 1.1 2014/06/07 23:12:16 rodent Exp $ OpenBSD's socket.h doesn't include . --- libnetutil/netutil.cc.orig 2013-07-28 22:08:48.000000000 +0000 +++ libnetutil/netutil.cc @@ -147,6 +147,7 @@ #if HAVE_SYS_SOCKIO_H #include /* SIOCGIFCONF for Solaris */ #endif +#include /* Define CMSG_* symbols for Solaris 9 and earlier. See http://wiki.opencsw.org/porting-faq#toc10. */