From 8e236cb98a5a6bd6f9ba326a5caddffc802ed0a1 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Mon, 13 Oct 2008 09:00:03 +0000
Subject: [PATCH] Merge fixes from Trunk.

Fixes #2392.

Change includes of <cmath> to <boost/config/no_tr1/config.hpp>.

Previously if Boost.TR1 was in the include path then including <cmath> pulls in all the new TR1 math functions, which in turn also requires linking to an external library. With auto-linking support this requires that library to have been built and be present in the library search path, even if the actual library under use is header only.

[SVN r49314]
---
 include/boost/intrusive/sgtree.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/intrusive/sgtree.hpp b/include/boost/intrusive/sgtree.hpp
index 44ba705..70d4b61 100644
--- a/include/boost/intrusive/sgtree.hpp
+++ b/include/boost/intrusive/sgtree.hpp
@@ -24,7 +24,7 @@
 #include <functional>
 #include <iterator>
 #include <utility>
-#include <cmath>
+#include <boost/config/no_tr1/cmath.hpp>
 #include <cstddef>
 #include <boost/intrusive/detail/assert.hpp>
 #include <boost/static_assert.hpp>