+if test "$network" = "yes" ; then
+##########################################
+# IPv6 probe
+
+cat > $TMPC << EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+int main( void ) {
+ struct sockaddr_storage saddr;
+ struct ipv6_mreq mreq6;
+ getaddrinfo(0,0,0,0);
+ getnameinfo(0,0,0,0,0,0,0);
+ IN6_IS_ADDR_MULTICAST(0);
+}
+EOF
+
+ipv6=no
+if $cc -o $TMPE $TMPC > /dev/null 2>&1 ; then
+ipv6=yes
+fi
+fi
+