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

depends/x86_64-pc-linux-gnu/include/boost/interprocess/indexes/null_index.hpp

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+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2012. 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/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+#ifndef BOOST_INTERPROCESS_NULL_INDEX_HPP
+#define BOOST_INTERPROCESS_NULL_INDEX_HPP
+
+#ifndef BOOST_CONFIG_HPP
+#  include <boost/config.hpp>
+#endif
+#
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#  pragma once
+#endif
+
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+
+#include <boost/interprocess/offset_ptr.hpp>
+
+//!\file
+//!Describes a null index adaptor, so that if we don't want to construct
+//!named objects, we can use this null index type to save resources.
+
+namespace boost {
+namespace interprocess {
+
+//!Null index type
+//!used to save compilation time when
+//!named indexes are not needed.
+template <class MapConfig>
+class null_index
+{
+   #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
+   typedef typename MapConfig::
+      segment_manager_base    segment_manager_base;
+   #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
+
+   public:
+   typedef int * iterator;
+   typedef const int * const_iterator;
+
+   //!begin() is equal
+   //!to end()
+   const_iterator begin() const
+   {  return const_iterator(0);  }
+
+   //!begin() is equal
+   //!to end()
+   iterator begin()
+   {  return iterator(0);  }
+
+   //!begin() is equal
+   //!to end()
+   const_iterator end() const
+   {  return const_iterator(0);  }
+
+   //!begin() is equal
+   //!to end()
+   iterator end()
+   {  return iterator(0);  }
+
+   //!Empty constructor
+   null_index(segment_manager_base *){}
+};
+
+}}   //namespace boost { namespace interprocess {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //#ifndef BOOST_INTERPROCESS_NULL_INDEX_HPP