From 1aa9dd760747d2bf33d54317abc6060daae28e06 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joaqu=C3=ADn=20M=2E=20L=C3=B3pez=20Mu=C3=B1oz?=
 <joaquin@tid.es>
Date: Fri, 5 Nov 2004 07:15:29 +0000
Subject: [PATCH] fixes to the is_abstract hack

[SVN r26122]
---
 include/boost/serialization/is_abstract.hpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/boost/serialization/is_abstract.hpp b/include/boost/serialization/is_abstract.hpp
index e80698b6..21e950f3 100644
--- a/include/boost/serialization/is_abstract.hpp
+++ b/include/boost/serialization/is_abstract.hpp
@@ -23,12 +23,16 @@
 
 #ifndef BOOST_TT_IS_ABSTRACT_CLASS_HPP
 #if    defined(__GNUC__) && (34 <= _GNUC__ * 10 + __GNU_MINOR)  \
-    || defined(__MSVC_VER) && (1310 <= __MSVC_VER)              \
+    || defined(_MSC_VER) && (1310 <= _MSC_VER)                  \
     || defined(__EDG_VERSION__)                                 \
     /**/
     #include <boost/type_traits/is_abstract.hpp>
 #else
 // default to false if not supported
+
+// supplant boost/type_traits/is_abstract.hpp
+#   define BOOST_TT_IS_ABSTRACT_CLASS_HPP
+
     namespace boost {
     template<class T>
     struct is_abstract {