--- apr-1.2.2/network_io/unix/multicast.c.ipv6  2005-11-02 13:20:19.000000000 -0500
+++ apr-1.2.2/network_io/unix/multicast.c       2005-11-02 13:29:45.000000000 -0500
@@ -146,10 +146,12 @@

     if (source != NULL) {
 #if MCAST_JOIN_SOURCE_GROUP
-        if (sock_is_ipv6(sock))
+        if (sock_is_ipv4(sock))
             ip_proto = IPPROTO_IP;
+#if APR_HAVE_IPV6
         else if (sock_is_ipv6(sock))
             ip_proto = IPPROTO_IPV6;
+#endif
         else
             return APR_ENOTIMPL;

@@ -160,7 +162,12 @@
         else
             return APR_ENOTIMPL;

+
+#if APR_HAVE_IPV6
         mip.gsr_interface = find_if_index(iface);
+#else
+        mip.gsr_interface = 0;
+#endif
         memcpy(&mip.gsr_group, mcast->ipaddr_ptr, sizeof(mip.gsr_group));
         memcpy(&mip.gsr_source, source->ipaddr_ptr, sizeof(mip.gsr_source));