initial commit

[SVN r16527]

include/boost/detail/workaround.hpp

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+// Copyright David Abrahams 2002. Permission to copy, use,
+// modify, sell and distribute this software is granted provided this
+// copyright notice appears in all copies. This software is provided
+// "as is" without express or implied warranty, and with no claim as
+// to its suitability for any purpose.
+#ifndef WORKAROUND_DWA2002126_HPP
+# define WORKAROUND_DWA2002126_HPP
+
+
+// Compiler/library version workaround macro
+//
+// Usage:
+//
+//     #if BOOST_WORKAROUND(BOOST_MSVC, <= 1200)
+//        ... // workaround code here
+//     #endif
+//
+// When BOOST_STRICT_CONFIG is defined, expands to 0. Otherwise, the
+// first argument must be undefined or expand to a numeric
+// value. The above expands to the moral equivalent of:
+//
+//     defined(BOOST_MSVC) && BOOST_MSVC <= 1200
+//
+
+# ifndef BOOST_STRICT_CONFIG
+#  include <boost/preprocessor/cat.hpp>
+#  define BOOST_NUMERIC_DEFINED_SUFFIX 1
+#  define BOOST_WORKAROUND(symbol, test) (BOOST_PP_CAT(symbol,BOOST_NUMERIC_DEFINED_SUFFIX) && symbol test)
+# else
+#  define BOOST_WORKAROUND(symbol, test) 0
+# endif 
+
+#endif // WORKAROUND_DWA2002126_HPP