Add single-include guards to a11y headers

[~andy/gtk] / gtk / a11y / gtkimageaccessible.h

diff --git a/gtk/a11y/gtkimageaccessible.h b/gtk/a11y/gtkimageaccessible.h
index dae9cdc6f56dfa8279dae4e878e5d30dfd551c82..f6d70dda23eb87338e269bbcde9bc27459c0fc9e 100644 (file)
--- a/gtk/a11y/gtkimageaccessible.h
+++ b/gtk/a11y/gtkimageaccessible.h
@@ -15,6 +15,10 @@
  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#if !defined (__GTK_A11Y_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk-a11y.h> can be included directly."
+#endif
+
 #ifndef __GTK_IMAGE_ACCESSIBLE_H__
 #define __GTK_IMAGE_ACCESSIBLE_H__