diff --git a/include/boost/python/detail/void_ptr.hpp b/include/boost/python/detail/void_ptr.hpp
new file mode 100644
index 00000000..676a5cac
--- /dev/null
+++ b/include/boost/python/detail/void_ptr.hpp
@@ -0,0 +1,34 @@
+// Copyright David Abrahams 2002. Permission to copy, use,
+// modify, sell and distribute this software is granted provided this
+// copyright notice appears in all copies. This software is provided
+// "as is" without express or implied warranty, and with no claim as
+// to its suitability for any purpose.
+#ifndef VOID_PTR_DWA200239_HPP
+# define VOID_PTR_DWA200239_HPP
+
+namespace boost { namespace python { namespace detail { 
+
+template <class U>
+inline U& void_ptr_to_reference(void const volatile* p, U&(*)())
+{
+    return *(U*)p;
+}
+
+template <class T>
+inline void write_void_ptr(void const volatile* storage, void* ptr, T*)
+{
+    *(T**)storage = (T*)ptr;
+}
+
+// writes U(ptr) into the storage
+template <class U>
+inline void write_void_ptr_reference(void const volatile* storage, void* ptr, U&(*)())
+{
+    // stripping CV qualification suppresses warnings on older EDGs
+    typedef typename remove_cv<U>::type u_stripped; 
+    write_void_ptr(storage, ptr, u_stripped(0));
+}
+
+}}} // namespace boost::python::detail
+
+#endif // VOID_PTR_DWA200239_HPP