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-rw-r--r--glib/gchecksum.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/glib/gchecksum.h b/glib/gchecksum.h
index 8f7d8082b..39e6679d5 100644
--- 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__