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-rw-r--r--lib/widgets/ephy-tree-model-sort.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/widgets/ephy-tree-model-sort.h b/lib/widgets/ephy-tree-model-sort.h
index 103c36fa6..5260d9f87 100644
--- a/lib/widgets/ephy-tree-model-sort.h
+++ b/lib/widgets/ephy-tree-model-sort.h
@@ -17,6 +17,10 @@
* $Id$
*/
+#if !defined (__EPHY_EPIPHANY_H_INSIDE__) && !defined (EPIPHANY_COMPILATION)
+#error "Only <epiphany/epiphany.h> can be included directly."
+#endif
+
#ifndef EPHY_TREE_MODEL_SORT_H
#define EPHY_TREE_MODEL_SORT_H