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

depends/x86_64-pc-linux-gnu/include/boost/mpl/math/is_even.hpp

@@ -0,0 +1,54 @@
+
+#ifndef BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED
+#define BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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://www.boost.org/libs/mpl for documentation.
+
+// $Id$
+// $Date$
+// $Revision$
+
+#include <boost/mpl/bool.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/lambda_support.hpp>
+#include <boost/mpl/aux_/config/msvc.hpp>
+#include <boost/mpl/aux_/config/workaround.hpp>
+
+namespace boost { namespace mpl {
+
+#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
+namespace aux
+{
+  template <class N>
+  struct is_even_base
+  {
+      enum { value = (N::value % 2) == 0 };
+      typedef bool_<value> type;
+  };
+}
+#endif 
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(N)
+    >
+struct is_even
+#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
+  : aux::is_even_base<N>::type
+#else
+  : bool_<((N::value % 2) == 0)>
+#endif 
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_even,(N))
+};
+
+BOOST_MPL_AUX_NA_SPEC(1, is_even)
+
+}}
+
+#endif // BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED