--- src/network.c.orig	2011-07-25 06:21:49.000000000 -0400
+++ src/network.c	2011-07-25 06:22:13.000000000 -0400
@@ -14,6 +14,8 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#define __APPLE_USE_RFC_3542
+
 #include "dnsmasq.h"
 
 #ifdef HAVE_LINUX_NETWORK
