* src/emacs.c (main): Warn when starting a GTK emacs in daemon mode.

src/ChangeLog

@@ -1,3 +1,7 @@
+2011-06-02  Dan Nicolaescu  <dann@ics.uci.edu>
+
+	* emacs.c (main): Warn when starting a GTK emacs in daemon mode.
+
 2011-06-01  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
 
 	* fringe.c (update_window_fringes): Don't update overlay arrow bitmap

src/emacs.c

@@ -1120,6 +1120,11 @@ main (int argc, char **argv)
 	}
 
 #ifndef NS_IMPL_COCOA
+#ifdef USE_GTK
+      fprintf (stderr, "\nWarning: due to a long standing Gtk+ bug\nhttp://bugzilla.gnome.org/show_bug.cgi?id=85715\n\
+Emacs might crash when run in daemon mode and the X11 connection is unexpectedly lost.\n\
+Using an Emacs configured with --with-x-toolkit=lucid does not have this problem.\n");
+#endif
       f = fork ();
 #else /* NS_IMPL_COCOA */
       /* Under Cocoa we must do fork+exec as CoreFoundation lib fails in