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

depends/x86_64-pc-linux-gnu/include/boost/log/attributes/time_traits.hpp

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+/*
+ *          Copyright Andrey Semashev 2007 - 2015.
+ * 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)
+ */
+/*!
+ * \file   time_traits.hpp
+ * \author Andrey Semashev
+ * \date   01.12.2007
+ *
+ * The header contains implementation of time traits that are used in various parts of the
+ * library to acquire current time.
+ */
+
+#ifndef BOOST_LOG_ATTRIBUTES_TIME_TRAITS_HPP_INCLUDED_
+#define BOOST_LOG_ATTRIBUTES_TIME_TRAITS_HPP_INCLUDED_
+
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#include <boost/log/detail/config.hpp>
+#include <boost/log/detail/header.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+namespace boost {
+
+BOOST_LOG_OPEN_NAMESPACE
+
+namespace attributes {
+
+//! Base class for time traits involving Boost.DateTime.
+struct basic_time_traits
+{
+    //! Time type
+    typedef posix_time::ptime time_type;
+
+    //! Current time source
+#if defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
+    typedef posix_time::microsec_clock clock_source;
+#else
+    typedef posix_time::second_clock clock_source;
+#endif // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
+};
+
+//! Time traits that describes UTC time acquirement via Boost.DateTime facilities
+struct utc_time_traits :
+    public basic_time_traits
+{
+    /*!
+     * \return Current time stamp
+     */
+    static time_type get_clock()
+    {
+        return clock_source::universal_time();
+    }
+};
+
+//! Time traits that describes local time acquirement via Boost.DateTime facilities
+struct local_time_traits :
+    public basic_time_traits
+{
+    /*!
+     * \return Current time stamp
+     */
+    static time_type get_clock()
+    {
+        return clock_source::local_time();
+    }
+};
+
+} // namespace attributes
+
+BOOST_LOG_CLOSE_NAMESPACE // namespace log
+
+} // namespace boost
+
+#include <boost/log/detail/footer.hpp>
+
+#endif // BOOST_LOG_ATTRIBUTES_TIME_TRAITS_HPP_INCLUDED_