Small patch to allow compilation on old systems that predate the IPV6_V6ONLY option...

diff --git a/tools/server.c b/tools/server.c
index 363028f..cb04711 100644 (file)
--- a/tools/server.c
+++ b/tools/server.c
@@ -119,9 +119,16 @@ host_bind(const char *host, const char *port, int verbose)
                opt = 1;
                setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
                        (void *)&opt, sizeof opt);
                opt = 1;
                setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
                        (void *)&opt, sizeof opt);

+#ifdef IPV6_V6ONLY
+               /*
+                * We want to make sure that the server socket works for
+                * both IPv4 and IPv6. But IPV6_V6ONLY is not defined on
+                * some very old systems.
+                */

                opt = 0;
                setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY,
                        (void *)&opt, sizeof opt);
                opt = 0;
                setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY,
                        (void *)&opt, sizeof opt);

+#endif

                if (bind(fd, sa, sa_len) < 0) {
                        if (verbose) {
                                perror("bind()");
                if (bind(fd, sa, sa_len) < 0) {
                        if (verbose) {
                                perror("bind()");