Only allow including <gio/gio.h> from apps

[platform/upstream/glib.git] / gio / gcancellable.h

diff --git a/gio/gcancellable.h b/gio/gcancellable.h
index 2697914..7c890be 100644 (file)
--- a/gio/gcancellable.h
+++ b/gio/gcancellable.h
@@ -20,6 +20,10 @@
  * Author: Alexander Larsson <alexl@redhat.com>
  */
 
+#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
+#error "Only <gio/gio.h> can be included directly."
+#endif
+
 #ifndef __G_CANCELLABLE_H__
 #define __G_CANCELLABLE_H__