From 146863654337699ddea64561ba95f104283c88c9 Mon Sep 17 00:00:00 2001
From: Peder Holt <peder.holt@gmail.com>
Date: Mon, 30 Aug 2010 19:29:02 +0000
Subject: [PATCH] #4593: Type_of does not use BOOST_TYPEOF_EMULATION for VC10
 and \Za - fixed

[SVN r65135]
---
 include/boost/typeof/typeof.hpp | 25 +++++++++++--------------
 1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/include/boost/typeof/typeof.hpp b/include/boost/typeof/typeof.hpp
index a9d2fea..99033f9 100644
--- a/include/boost/typeof/typeof.hpp
+++ b/include/boost/typeof/typeof.hpp
@@ -110,24 +110,21 @@
 #       else
 #           error typeof emulation is not supported
 #       endif
-#   elif (_MSC_VER >= 1310)  // 7.1, 8.0
+#   elif (_MSC_VER >= 1310)  // 7.1 ->
 #       ifndef BOOST_TYPEOF_EMULATION
 #           ifndef BOOST_TYPEOF_NATIVE
-#               define BOOST_TYPEOF_NATIVE
+#				ifndef _MSC_EXTENSIONS
+#					define BOOST_TYPEOF_EMULATION
+#				else
+#		            define BOOST_TYPEOF_NATIVE
+#				endif
 #           endif
-#           include <boost/typeof/msvc/typeof_impl.hpp>
-#           define MSVC_TYPEOF_HACK
 #       endif
-/*#   else // 8.0
-#       ifndef BOOST_TYPEOF_NATIVE
-#           ifndef BOOST_TYPEOF_EMULATION
-#               define BOOST_TYPEOF_EMULATION
-#           endif
-#       else
-#           error native typeof is not supported
-#       endif*/
-#   endif
-
+#		ifdef BOOST_TYPEOF_NATIVE
+#			include <boost/typeof/msvc/typeof_impl.hpp>
+#           define MSVC_TYPEOF_HACK
+#		endif
+#	endif
 #elif defined(__HP_aCC)
 #   ifndef BOOST_TYPEOF_NATIVE
 #       ifndef BOOST_TYPEOF_EMULATION