File gdm-tcp-listen.patch of Package gdm.15269

diff --git a/daemon/gdm-server.c b/daemon/gdm-server.c
index 91a04e6..5373db7 100644
--- a/daemon/gdm-server.c
+++ b/daemon/gdm-server.c
@@ -355,8 +355,13 @@ gdm_server_resolve_command_line (GdmServer  *server,
                 query_in_arglist = TRUE;
         }
 
-        if (server->priv->disable_tcp && ! query_in_arglist) {
-                argv[len++] = g_strdup ("-nolisten");
+        /* If we were compiled with Xserver >= 1.17 we need to specify
+         * '-listen tcp' as the X server dosen't listen on tcp sockets
+         * by default anymore. In older versions we need to pass
+         * -nolisten tcp to disable listening on tcp sockets.
+         */
+        if (!server->priv->disable_tcp && ! query_in_arglist) {
+                argv[len++] = g_strdup ("-listen");
                 argv[len++] = g_strdup ("tcp");
         }