From f6818e761eaafe095e07249180dc8f9a329f1473 Mon Sep 17 00:00:00 2001
From: Philipp Stephani <phst@google.com>
Date: Sun, 27 Aug 2017 12:31:37 +0200
Subject: [PATCH] GTK+: Stop querying for background colors.

* src/gtkutil.c (xg_check_special_colors): Don't call deprecated
function gtk_style_context_get_background_color in newer versions of
GTK+.
---
 src/gtkutil.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/gtkutil.c b/src/gtkutil.c
index f3e89c82c66..b98b0d08e7a 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -566,6 +566,14 @@ xg_check_special_colors (struct frame *f,
   if (! FRAME_GTK_WIDGET (f) || ! (get_bg || get_fg))
     return success_p;
 
+#if GTK_CHECK_VERSION (3, 16, 0)
+  if (get_bg)
+    /* gtk_style_context_get_background_color is deprecated in
+       GTK+ 3.16.  New versions of GTK+ don't use the concept of a
+       single background color any more, so we can't query for it.  */
+    return false;
+#endif
+
   block_input ();
   {
 #ifdef HAVE_GTK3
@@ -577,7 +585,12 @@ xg_check_special_colors (struct frame *f,
     if (get_fg)
       gtk_style_context_get_color (gsty, state, &col);
     else
+#if GTK_CHECK_VERSION (3, 16, 0)
+      /* We can't get here.  */
+      emacs_abort ();
+#else
       gtk_style_context_get_background_color (gsty, state, &col);
+#endif
 
     unsigned short
       r = col.red * 65535,
-- 
2.39.5