--- /dev/null
+//---------------------------------------------------------------------------//
+// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
+//
+// 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
+//
+// See http://boostorg.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+#ifndef BOOST_COMPUTE_CL_EXT_HPP
+#define BOOST_COMPUTE_CL_EXT_HPP
+
+#if defined(__APPLE__)
+#include <OpenCL/cl_ext.h>
+#else
+#include <CL/cl_ext.h>
+#endif
+
+#endif // BOOST_COMPUTE_CL_EXT_HPP