Fix #929353: adding patch emacs-gtk-warning.patch

emacs-gtk-warning.patch

@@ -0,0 +1,43 @@
+diff --git a/src/gtkutil.c b/src/gtkutil.c
+index 44f828c..d434a48 100644
+--- a/src/gtkutil.c
++++ b/src/gtkutil.c
+@@ -784,6 +784,14 @@ xg_hide_tooltip (FRAME_PTR f)
+     General functions for creating widgets, resizing, events, e.t.c.
+  ***********************************************************************/
+ 
++static void
++my_log_handler (const gchar *log_domain, GLogLevelFlags log_level,
++                        const gchar *msg, gpointer user_data)
++{
++    if (!strstr (msg, "visible children"))
++        fprintf (stderr, "XX %s-WARNING **: %s\n", log_domain, msg);
++}
++
+ /* Make a geometry string and pass that to GTK.  It seems this is the
+    only way to get geometry position right if the user explicitly
+    asked for a position when starting Emacs.
+@@ -799,6 +807,7 @@ xg_set_geometry (FRAME_PTR f)
+       int top = f->top_pos;
+       int yneg = f->size_hint_flags & YNegative;
+       char geom_str[sizeof "=x--" + 4 * INT_STRLEN_BOUND (int)];
++      guint id;
+ 
+       if (xneg)
+         left = -left;
+@@ -811,9 +820,15 @@ xg_set_geometry (FRAME_PTR f)
+                (xneg ? '-' : '+'), left,
+                (yneg ? '-' : '+'), top);
+ 
++      /* Silence warning about visible children.  */
++      id = g_log_set_handler ("Gtk", G_LOG_LEVEL_WARNING | G_LOG_FLAG_FATAL
++                              | G_LOG_FLAG_RECURSION, my_log_handler, NULL);
++
+       if (!gtk_window_parse_geometry (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)),
+                                       geom_str))
+         fprintf (stderr, "Failed to parse: '%s'\n", geom_str);
++
++      g_log_remove_handler ("Gtk", id);
+     }
+ }
+