stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork

depends/x86_64-pc-linux-gnu/include/boost/compute/functional/as.hpp

@@ -0,0 +1,51 @@
+//---------------------------------------------------------------------------//
+// 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_FUNCTIONAL_AS_HPP
+#define BOOST_COMPUTE_FUNCTIONAL_AS_HPP
+
+namespace boost {
+namespace compute {
+namespace detail {
+
+template<class T, class Arg>
+struct invoked_as
+{
+    invoked_as(const Arg &arg)
+        : m_arg(arg)
+    {
+    }
+
+    Arg m_arg;
+};
+
+} // end detail namespace
+
+/// The \ref as function converts its argument to type \c T (similar to
+/// reinterpret_cast<T>).
+///
+/// \see \ref convert "convert<T>"
+template<class T>
+struct as
+{
+    typedef T result_type;
+
+    /// \internal_
+    template<class Arg>
+    detail::invoked_as<T, Arg> operator()(const Arg &arg) const
+    {
+        return detail::invoked_as<T, Arg>(arg);
+    }
+};
+
+} // end compute namespace
+} // end boost namespace
+
+#endif // BOOST_COMPUTE_FUNCTIONAL_AS_HPP