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

depends/x86_64-pc-linux-gnu/include/boost/python/detail/if_else.hpp

@@ -0,0 +1,81 @@
+// 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 IF_ELSE_DWA2002322_HPP
+# define IF_ELSE_DWA2002322_HPP
+# include <boost/config.hpp>
+
+namespace boost { namespace python { namespace detail { 
+
+template <class T> struct elif_selected;
+
+template <class T>
+struct if_selected
+{
+    template <bool b>
+    struct elif : elif_selected<T>
+    {
+    };
+
+    template <class U>
+    struct else_
+    {
+        typedef T type;
+    };
+};
+
+template <class T>
+struct elif_selected
+{
+# if !(defined(__MWERKS__) && __MWERKS__ <= 0x2407)
+    template <class U> class then;
+# else
+    template <class U>
+    struct then : if_selected<T>
+    {
+    };
+# endif 
+};
+
+# if !(defined(__MWERKS__) && __MWERKS__ <= 0x2407)
+template <class T>
+template <class U>
+class elif_selected<T>::then : public if_selected<T>
+{
+};
+# endif 
+
+template <bool b> struct if_
+{
+    template <class T>
+    struct then : if_selected<T>
+    {
+    };
+};
+
+struct if_unselected
+{
+    template <bool b> struct elif : if_<b>
+    {
+    };
+
+    template <class U>
+    struct else_
+    {
+        typedef U type;
+    };
+};
+
+template <>
+struct if_<false>
+{
+    template <class T>
+    struct then : if_unselected
+    {
+    };
+};
+
+}}} // namespace boost::python::detail
+
+#endif // IF_ELSE_DWA2002322_HPP