Index: gui/cfg.c
===================================================================
--- gui/cfg.c	(revision 26453)
+++ gui/cfg.c	(revision 26454)
@@ -83,7 +83,7 @@
 
 extern int    stop_xscreensaver;
 extern int    m_config_parse_config_file(m_config_t* config, char *conffile);
-int disable_gui_conf=0;
+extern int    disable_gui_conf;
 
 static m_config_t * gui_conf;
 static const m_option_t gui_opts[] =
Index: mpcommon.c
===================================================================
--- mpcommon.c	(revision 26453)
+++ mpcommon.c	(revision 26454)
@@ -210,7 +210,9 @@
 /* Parse -noconfig common to both programs */
 int disable_system_conf=0;
 int disable_user_conf=0;
-extern int disable_gui_conf;
+#ifdef HAVE_NEW_GUI
+int disable_gui_conf=0;
+#endif /* HAVE_NEW_GUI */
 
 /* Disable all configuration files */
 static void noconfig_all(void)