From 484d184de54144d9a737d3f168d45fc3002272d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaakko=20J=C3=A4rvi?= <jarvi@cs.tamu.edu>
Date: Fri, 5 Dec 2003 16:31:38 +0000
Subject: [PATCH] guarded enable_if definitions with BOOST_NO_SFINAE

[SVN r21149]
---
 include/boost/utility/enable_if.hpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/include/boost/utility/enable_if.hpp b/include/boost/utility/enable_if.hpp
index c1f217d..0498d36 100644
--- a/include/boost/utility/enable_if.hpp
+++ b/include/boost/utility/enable_if.hpp
@@ -14,6 +14,13 @@
 #ifndef BOOST_UTILITY_ENABLE_IF_HPP
 #define BOOST_UTILITY_ENABLE_IF_HPP
 
+#include <boost/config.hpp>
+
+// Even the definition of enable_if causes problems on some compilers,
+// so it's macroed out for all compilers that do not support SFINAE
+
+#ifndef BOOST_NO_SFINAE
+
 namespace boost
 {
  
@@ -62,8 +69,8 @@ namespace boost
   template <class Cond, class T> 
   struct lazy_disable_if : public lazy_disable_if_c<Cond::value, T> {};
 
-
-  
 } // namespace boost
 
+#endif // BOOST_NO_SFINAE
+
 #endif