Squashed 'third_party/boostorg/preprocessor/' content from commit 56090c5

Change-Id: I8c0a13225778c3751a35945439d5304bd9e639ef
git-subtree-dir: third_party/boostorg/preprocessor
git-subtree-split: 56090c56b5c78418b6dbe8c3c2ba576395152f83
diff --git a/include/boost/preprocessor/stringize.hpp b/include/boost/preprocessor/stringize.hpp
new file mode 100644
index 0000000..64dd5fd
--- /dev/null
+++ b/include/boost/preprocessor/stringize.hpp
@@ -0,0 +1,33 @@
+# /* Copyright (C) 2001
+#  * Housemarque Oy
+#  * http://www.housemarque.com
+#  *
+#  * Distributed under 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)
+#  */
+#
+# /* Revised by Paul Mensonides (2002) */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# ifndef BOOST_PREPROCESSOR_STRINGIZE_HPP
+# define BOOST_PREPROCESSOR_STRINGIZE_HPP
+#
+# include <boost/preprocessor/config/config.hpp>
+#
+# /* BOOST_PP_STRINGIZE */
+#
+# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
+#    define BOOST_PP_STRINGIZE(text) BOOST_PP_STRINGIZE_A((text))
+#    define BOOST_PP_STRINGIZE_A(arg) BOOST_PP_STRINGIZE_I arg
+# elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
+#    define BOOST_PP_STRINGIZE(text) BOOST_PP_STRINGIZE_OO((text))
+#    define BOOST_PP_STRINGIZE_OO(par) BOOST_PP_STRINGIZE_I ## par
+# else
+#    define BOOST_PP_STRINGIZE(text) BOOST_PP_STRINGIZE_I(text)
+# endif
+#
+# define BOOST_PP_STRINGIZE_I(text) #text
+#
+# endif