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diff --git a/source/blender/depsgraph/util/depsgraph_util_map.h b/source/blender/depsgraph/util/depsgraph_util_map.h
new file mode 100644
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+++ b/source/blender/depsgraph/util/depsgraph_util_map.h
@@ -0,0 +1,67 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2014 Blender Foundation.
+ * All rights reserved.
+ *
+ * Original Author: Brecht van Lommel
+ * Contributor(s): Lukas Toenne
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/depsgraph/util/depsgraph_util_map.h
+ *  \ingroup depsgraph
+ */
+
+#ifndef __DEPSGRAPH_UTIL_MAP_H__
+#define __DEPSGRAPH_UTIL_MAP_H__
+
+#include <map>
+
+#include "depsgraph_util_hash.h"
+
+using std::map;
+using std::pair;
+
+#if defined(DEG_NO_UNORDERED_MAP)
+#  include <map>
+typedef std::map unordered_map;
+#endif
+
+#if defined(DEG_TR1_UNORDERED_MAP)
+#  include <tr1/unordered_map>
+using std::tr1::unordered_map;
+#endif
+
+#if defined(DEG_STD_UNORDERED_MAP)
+#  include <unordered_map>
+using std::unordered_map;
+#endif
+
+#if defined(DEG_STD_UNORDERED_MAP_IN_TR1_NAMESPACE)
+#  include <unordered_map>
+using std::tr1::unordered_map;
+#endif
+
+#if !defined(DEG_NO_UNORDERED_MAP) && !defined(DEG_TR1_UNORDERED_MAP) && \
+    !defined(DEG_STD_UNORDERED_MAP) && !defined(DEG_STD_UNORDERED_MAP_IN_TR1_NAMESPACE)  // NOLINT
+#  error One of: DEG_NO_UNORDERED_MAP, DEG_TR1_UNORDERED_MAP,\
+ DEG_STD_UNORDERED_MAP, DEG_STD_UNORDERED_MAP_IN_TR1_NAMESPACE must be defined!  // NOLINT
+#endif
+
+#endif  /* __DEPSGRAPH_UTIL_MAP_H__ */