Hi,
in order to compile dnsmasq 2.59 on macosx lion one needs the Define
__APPLE_USE_RFC_2292 in order to get the IPV6_PKTINFO definition.
Greetings
Olaf
--- dnsmasq-2.59/src/dnsmasq.h 2011-10-08 17:05:16.000000000 +0200
+++ ../dnsmasq-2.59/src/dnsmasq.h 2011-10-30 13:56:20.000000000 +0100
@@ -39,6 +39,10 @@
/* get these before config.h for IPv6 stuff... */
#include <sys/types.h>
#include <sys/socket.h>
+#ifdef __APPLE__
+/* Define before netinet/in.h for IPV6_PKTINFO */
+#define __APPLE_USE_RFC_2292
+#endif
#include <netinet/in.h>
/* and this. */
