From 5e16640ba388c2d060d2655b2ce3169580288e4c Mon Sep 17 00:00:00 2001
From: Per Inge Mathisen <per@wz2100.net>
Date: Sun, 13 Dec 2009 20:25:00 +0000
Subject: [PATCH] Build fixes for netplay.c on OpenBSD, closes ticket:1180

git-svn-id: https://warzone2100.svn.sourceforge.net/svnroot/warzone2100/trunk@8675 4a71c877-e1ca-e34f-864e-861f7616d084
---
 lib/netplay/netplay.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/netplay/netplay.c b/lib/netplay/netplay.c
index 048c61b09..8a1c247ef 100644
--- a/lib/netplay/netplay.c
+++ b/lib/netplay/netplay.c
@@ -49,6 +49,7 @@
 # include <netinet/in.h>
 # include <sys/socket.h>
 # include <sys/types.h>
+# include <sys/select.h>
 # include <unistd.h>
 typedef int SOCKET;
 static const SOCKET INVALID_SOCKET = -1;
@@ -1070,12 +1071,18 @@ static struct addrinfo* resolveHost(const char* host, unsigned int port)
 	struct addrinfo* results;
 	char* service;
 	struct addrinfo hint;
-	int error;
+	int error, flags = 0;
 
 	hint.ai_family    = AF_UNSPEC;
 	hint.ai_socktype  = SOCK_STREAM;
 	hint.ai_protocol  = 0;
-	hint.ai_flags     = (AI_V4MAPPED | AI_ADDRCONFIG);
+#ifdef AI_V4MAPPED
+	flags             |= AI_V4MAPPED;
+#endif
+#ifdef AI_ADDRCONFIG
+	flags             |= AI_ADDRCONFIG;
+#endif
+	hint.ai_flags     = flags;
 	hint.ai_addrlen   = 0;
 	hint.ai_addr      = NULL;
 	hint.ai_canonname = NULL;