From 87bda9e124ff3c0bab16bff320c6000be353354d Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dave@boostpro.com>
Date: Mon, 17 Jun 2002 22:26:17 +0000
Subject: [PATCH] work around early EDG problem

[SVN r14164]
---
 include/boost/python/detail/convertible.hpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/boost/python/detail/convertible.hpp b/include/boost/python/detail/convertible.hpp
index 2a4d5106..f767ebfd 100755
--- a/include/boost/python/detail/convertible.hpp
+++ b/include/boost/python/detail/convertible.hpp
@@ -6,6 +6,11 @@
 #ifndef CONVERTIBLE_DWA2002614_HPP
 # define CONVERTIBLE_DWA2002614_HPP
 
+# if defined(__EDG_VERSION__) && __EDG_VERSION__ <= 241
+#  include <boost/mpl/select_type.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 { 
@@ -16,8 +21,17 @@ typedef int* no_convertible;
 template <class Target>
 struct convertible
 {
-    static inline yes_convertible check(Target) { return 0; }
+# if !defined(__EDG_VERSION__) || __EDG_VERSION__ > 241
     static inline no_convertible check(...) { return 0; }
+    static inline yes_convertible check(Target) { return 0; }
+# else
+    template <class X>
+    static inline typename mpl::select_type<
+        is_convertible<X,Target>::value
+        , yes_convertible
+        , no_convertible
+        >::type check(X const&) { return 0; }
+# endif 
 };
 
 }}} // namespace boost::python::detail