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

depends/x86_64-pc-linux-gnu/include/boost/chrono/chrono_io.hpp

@@ -0,0 +1,34 @@
+
+//  chrono_io
+//
+//  (C) Copyright Howard Hinnant
+//  (C) Copyright 2010-2011 Vicente J. Botet Escriba
+//  Use, modification and distribution are subject to 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).
+//
+// This code was adapted by Vicente from Howard Hinnant's experimental work
+// on chrono i/o under lvm/libc++  to Boost
+
+#ifndef BOOST_CHRONO_CHRONO_IO_HPP
+#define BOOST_CHRONO_CHRONO_IO_HPP
+
+#include <boost/chrono/config.hpp>
+
+//#if BOOST_CHRONO_VERSION == 2
+//#include <boost/chrono/io/time_point_io.hpp>
+//#include <boost/chrono/io/duration_io.hpp>
+//#elif BOOST_CHRONO_VERSION == 1
+//#include <boost/chrono/io_v1/chrono_io.hpp>
+//#endif
+
+#if defined BOOST_CHRONO_DONT_PROVIDES_DEPRECATED_IO_SINCE_V2_0_0
+#include <boost/chrono/io/time_point_io.hpp>
+#include <boost/chrono/io/duration_io.hpp>
+#else
+#include <boost/chrono/io_v1/chrono_io.hpp>
+#endif
+
+#include <boost/chrono/io/utility/to_string.hpp>
+
+#endif  // BOOST_CHRONO_CHRONO_IO_HPP