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

2026-02-24 18:38:47 +00:00
parent da8c28aaeb
commit 65cb2619a7
13106 changed files with 2484322 additions and 1804 deletions
@@ -0,0 +1,50 @@
+// Copyright David Abrahams 2002.
+// 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)
+#ifndef BASES_DWA2002321_HPP
+# define BASES_DWA2002321_HPP
+
+# include <boost/python/detail/prefix.hpp>
+# include <boost/type_traits/object_traits.hpp>
+# include <boost/python/detail/type_list.hpp>
+# include <boost/mpl/if.hpp>
+# include <boost/mpl/bool.hpp>
+# include <boost/preprocessor/enum_params_with_a_default.hpp>
+# include <boost/preprocessor/enum_params.hpp>
+
+namespace boost { namespace python { 
+
+# define BOOST_PYTHON_BASE_PARAMS BOOST_PP_ENUM_PARAMS_Z(1, BOOST_PYTHON_MAX_BASES, Base)
+
+  // A type list for specifying bases
+  template < BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PYTHON_MAX_BASES, typename Base, mpl::void_) >
+  struct bases : detail::type_list< BOOST_PYTHON_BASE_PARAMS >::type
+  {};
+
+  namespace detail
+  {
+    template <class T> struct specifies_bases
+        : mpl::false_
+    {
+    };
+    
+    template < BOOST_PP_ENUM_PARAMS_Z(1, BOOST_PYTHON_MAX_BASES, class Base) >
+    struct specifies_bases< bases< BOOST_PYTHON_BASE_PARAMS > >
+        : mpl::true_
+    {
+    };
+    template <class T, class Prev = bases<> >
+    struct select_bases
+        : mpl::if_<
+                specifies_bases<T>
+                , T
+                , Prev
+          >
+    {
+    };
+  }
+# undef BOOST_PYTHON_BASE_PARAMS
+}} // namespace boost::python
+
+#endif // BASES_DWA2002321_HPP