make it possible to disable single-file includes by defining

[platform/upstream/glib.git] / glib / gchecksum.h

diff --git a/glib/gchecksum.h b/glib/gchecksum.h
index 8f7d808..39e6679 100644 (file)
--- a/glib/gchecksum.h
+++ b/glib/gchecksum.h
@@ -18,6 +18,10 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__G_LIB_H__) && !defined (GLIB_COMPILATION)
+#error "Only <glib.h> can be included directly."
+#endif
+
 #ifndef __G_CHECKSUM_H__
 #define __G_CHECKSUM_H__