From 4accb9f1679f08ab64a945800d733f51361d0f42 Mon Sep 17 00:00:00 2001
From: Daniel Boles <dboles@src.gnome.org>
Date: Sat, 5 Aug 2017 18:44:02 +0100
Subject: [PATCH] CenterBox: Guard against directly including header

https://bugzilla.gnome.org/show_bug.cgi?id=785280
---
 gtk/gtkcenterbox.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gtk/gtkcenterbox.h b/gtk/gtkcenterbox.h
index 4c8e7ad21a..bfd68f80e9 100644
--- a/gtk/gtkcenterbox.h
+++ b/gtk/gtkcenterbox.h
@@ -22,6 +22,10 @@
 #ifndef __GTK_CENTER_BOX_H__
 #define __GTK_CENTER_BOX_H__
 
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
 #include "gtkwidget.h"
 
 G_BEGIN_DECLS
-- 
2.30.2