Added boost header

test/external/boost/python/detail/convertible.hpp

@@ -0,0 +1,38 @@
+// 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 CONVERTIBLE_DWA2002614_HPP
+# define CONVERTIBLE_DWA2002614_HPP
+
+# if defined(__EDG_VERSION__) && __EDG_VERSION__ <= 241
+#  include <boost/mpl/if.hpp>
+#  include <boost/type_traits/conversion_traits.hpp>
+# endif 
+
+// Supplies a runtime is_convertible check which can be used with tag
+// dispatching to work around the Metrowerks Pro7 limitation with boost::is_convertible
+namespace boost { namespace python { namespace detail { 
+
+typedef char* yes_convertible;
+typedef int* no_convertible;
+
+template <class Target>
+struct convertible
+{
+# if !defined(__EDG_VERSION__) || __EDG_VERSION__ > 241 || __EDG_VERSION__ == 238
+    static inline no_convertible check(...) { return 0; }
+    static inline yes_convertible check(Target) { return 0; }
+# else
+    template <class X>
+    static inline typename mpl::if_c<
+        is_convertible<X,Target>::value
+        , yes_convertible
+        , no_convertible
+        >::type check(X const&) { return 0; }
+# endif 
+};
+
+}}} // namespace boost::python::detail
+
+#endif // CONVERTIBLE_DWA2002614_HPP