Squashed 'third_party/boostorg/config/' content from commit bb3c8a2
Change-Id: I20e82d188260045e00478e35813b54ca7fda6eaf
git-subtree-dir: third_party/boostorg/config
git-subtree-split: bb3c8a20dcb3a97e0c999a5869305398fa6d8a11
diff --git a/include/boost/config/no_tr1/utility.hpp b/include/boost/config/no_tr1/utility.hpp
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+++ b/include/boost/config/no_tr1/utility.hpp
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+// (C) Copyright John Maddock 2005.
+// Use, modification and distribution are subject to the
+// Boost Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// The aim of this header is just to include <utility> but to do
+// so in a way that does not result in recursive inclusion of
+// the Boost TR1 components if boost/tr1/tr1/utility is in the
+// include search path. We have to do this to avoid circular
+// dependencies:
+//
+
+#ifndef BOOST_CONFIG_UTILITY
+# define BOOST_CONFIG_UTILITY
+
+# ifndef BOOST_TR1_NO_RECURSION
+# define BOOST_TR1_NO_RECURSION
+# define BOOST_CONFIG_NO_UTILITY_RECURSION
+# endif
+
+# include <utility>
+
+# ifdef BOOST_CONFIG_NO_UTILITY_RECURSION
+# undef BOOST_TR1_NO_RECURSION
+# undef BOOST_CONFIG_NO_UTILITY_RECURSION
+# endif
+
+#endif