From d3940e3a92892d7ab853365f1a0fa4508aa9dcef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Sat, 29 Oct 2011 06:56:55 +0000
Subject: only use MSG_DONTWAIT if available

svn path=/trunk/externals/iem/iemnet/; revision=15673
---
 iemnet_receiver.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/iemnet_receiver.c b/iemnet_receiver.c
index 5f1d806..0b8b661 100644
--- a/iemnet_receiver.c
+++ b/iemnet_receiver.c
@@ -133,7 +133,9 @@ static void*iemnet__receiver_readthread(void*arg) {
     timout.tv_sec=0;
     timout.tv_usec=1000;
 
+#ifdef MSG_DONTWAIT
     recv_flags|=MSG_DONTWAIT;
+#endif
     select(sockfd+1, &rs, NULL, NULL,
            &timout);
     if (!FD_ISSET(sockfd, &rs))continue;
-- 
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