--- /dev/null
+/*
+ * MessagePack for C utilities
+ *
+ * Copyright (C) 2014 FURUHASHI Sadayuki
+ *
+ * Distributed under the Boost Software License, Version 1.0.
+ * (See accompanying file LICENSE_1_0.txt or copy at
+ * http://www.boost.org/LICENSE_1_0.txt)
+ */
+#ifndef MSGPACK_UTIL_H
+#define MSGPACK_UTIL_H
+
+#define MSGPACK_UNUSED(a) (void)(a)
+
+#endif /* MSGPACK_UTIL_H */