From b98d99bc63dda1deb44c2c1967f69f54fe452834 Mon Sep 17 00:00:00 2001
From: Steven Watanabe <steven@providere-consulting.com>
Date: Mon, 17 Jan 2011 04:51:54 +0000
Subject: [PATCH] Revert addition of BOOST_NIX, etc and everything tied to it. 
 ([66696], [66783], [66804], [66833], and [66834])

[SVN r68201]
---
 include/boost/detail/fenv.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/detail/fenv.hpp b/include/boost/detail/fenv.hpp
index 1ba8833..b8e8aa2 100644
--- a/include/boost/detail/fenv.hpp
+++ b/include/boost/detail/fenv.hpp
@@ -7,7 +7,7 @@
 
 #include <boost/config.hpp>
 
-#if defined(BOOST_NO_FENV_H)
+#if !defined(BOOST_HAS_FENV_H)
   #error This platform does not have a floating point environment
 #endif