Small fixes, makes unbound 0.0 work on SunOS4 sparc.

git-svn-id: file:///svn/unbound/trunk@123 be551aaa-1e26-0410-a405-d3ace91eadb9

configure.ac

@@ -490,11 +490,14 @@ AH_BOTTOM([
 #define IPV6_MIN_MTU 1280
 #endif /* IPV6_MIN_MTU */
 
+#ifndef CHECKED_INET6
+#  define CHECKED_INET6
 #  ifdef AF_INET6
 #    define INET6
 #  else
 #    define AF_INET6        28
 #  endif
+#endif /* CHECKED_INET6 */
 
 #ifndef HAVE_SNPRINTF
 #include <stdarg.h>

doc/Changelog

@@ -6,6 +6,7 @@
 	- added util/mini-event.c and .h, a select based alternative used with
 	  ./configure --with-libevent=no
 	  It is limited to 1024 file descriptors, and has less features.
+	- will not create ip6 sockets if ip6 not on the machine.
 
 15 February 2007: Wouter
 	- port to FreeBSD 4.11 Dec Alpha. Also works on Solaris 10 sparc64,

services/listen_dnsport.c

@@ -318,6 +318,9 @@ listen_create(struct comm_base* base, int num_ifs, const char* ifs[],
 	if(num_ifs > 0)
 		hints.ai_flags |= AI_NUMERICHOST;
 	hints.ai_family = AF_UNSPEC;
+#ifndef INET6
+	do_ip6 = 0;
+#endif
 	if(!do_ip4 && !do_ip6) {
 		listen_delete(front);
 		return NULL;

services/outside_network.c

@@ -280,6 +280,9 @@ outside_network_create(struct comm_base *base, size_t bufsize,
 		return NULL;
 	}
 	outnet->base = base;
+#ifndef INET6
+	do_ip6 = 0;
+#endif
 	calc_num46(ifs, num_ifs, do_ip4, do_ip6, num_ports, 
 		&outnet->num_udp4, &outnet->num_udp6);
 	/* adds +1 to portnums so we do not allocate zero bytes. */
@@ -303,8 +306,8 @@ outside_network_create(struct comm_base *base, size_t bufsize,
 			outnet->num_udp4 = make_udp_range(outnet->udp4_ports, 
 				NULL, num_ports, 1, 0, port_base, outnet);
 		}
-		if(outnet->num_udp4 != num_ports || 
-			outnet->num_udp6 != num_ports) {
+		if( (do_ip4 && outnet->num_udp4 != num_ports) || 
+			(do_ip6 && outnet->num_udp6 != num_ports)) {
 			log_err("Could not open all networkside ports");
 			outside_network_delete(outnet);
 			return NULL;