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

depends/x86_64-pc-linux-gnu/include/boost/test/utils/is_cstring.hpp

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+//  (C) Copyright Gennadiy Rozental 2001.
+//  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/test for the library home page.
+//
+//  File        : $RCSfile$
+//
+//  Version     : $Revision$
+//
+//  Description : defines the is_cstring type trait
+// ***************************************************************************
+
+#ifndef BOOST_TEST_UTILS_IS_CSTRING_HPP
+#define BOOST_TEST_UTILS_IS_CSTRING_HPP
+
+// Boost
+#include <boost/mpl/bool.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/type_traits/decay.hpp>
+#include <boost/type_traits/remove_pointer.hpp>
+#include <boost/type_traits/remove_const.hpp>
+#include <boost/type_traits/add_const.hpp>
+
+#include <string>
+
+//____________________________________________________________________________//
+
+namespace boost {
+namespace unit_test {
+
+// ************************************************************************** //
+// **************                  is_cstring                  ************** //
+// ************************************************************************** //
+
+namespace ut_detail {
+
+template<typename T>
+struct is_cstring_impl : public mpl::false_ {};
+
+template<typename T>
+struct is_cstring_impl<T const*> : public is_cstring_impl<T*> {};
+
+template<typename T>
+struct is_cstring_impl<T const* const> : public is_cstring_impl<T*> {};
+
+template<>
+struct is_cstring_impl<char*> : public mpl::true_ {};
+
+template<>
+struct is_cstring_impl<wchar_t*> : public mpl::true_ {};
+
+template <typename T>
+struct deduce_cstring_impl {
+    typedef typename boost::add_const<
+        typename boost::remove_pointer<
+            typename boost::decay<T>::type
+        >::type
+    >::type type;
+};
+
+template <typename T>
+struct deduce_cstring_impl< std::basic_string<T, std::char_traits<T> > > {
+  // const is required here
+  typedef typename boost::add_const<T>::type type;
+};
+
+} // namespace ut_detail
+
+template<typename T>
+struct is_cstring : public ut_detail::is_cstring_impl<typename decay<T>::type> {};
+
+template<typename T>
+struct is_cstring< std::basic_string<T, std::char_traits<T> > > : public mpl::true_ {};
+
+template <class T>
+struct deduce_cstring {
+    typedef typename
+        boost::remove_const<
+            typename boost::remove_reference<T>::type
+        >::type U;
+    typedef typename ut_detail::deduce_cstring_impl<U>::type type;
+};
+
+} // namespace unit_test
+} // namespace boost
+
+#endif // BOOST_TEST_UTILS_IS_CSTRING_HPP