--- /dev/null
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2011 Aleph One Ltd.
+ * for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+
+#ifndef __YAFFS_UTILSENV_H__
+#define __YAFFS_UTILSENV_H__
+
+#define YCHAR char
+#define YUCHAR unsigned char
+
+#include <sys/types.h>
+#include <string.h>
+#include "yaffs_list.h"
+#include "yaffs_hweight.h"
+
+#define hweight8(x) yaffs_hweight8(x)
+#define hweight32(x) yaffs_hweight32(x)
+
+#define yaffs_trace(...) do {} while (0)
+#endif