diff --git a/include/boost/preprocessor/detail/line.hpp b/include/boost/preprocessor/detail/line.hpp
new file mode 100644
index 0000000..180d5d3
--- /dev/null
+++ b/include/boost/preprocessor/detail/line.hpp
@@ -0,0 +1,22 @@
+# ifndef BOOST_PREPROCESSOR_DETAIL_LINE_HPP
+# define BOOST_PREPROCESSOR_DETAIL_LINE_HPP
+#
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Paul Mensonides 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 at to its suitability for any purpose.                      *
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# include <boost/preprocessor/stringize.hpp>
+#
+# if !defined(__MWERKS__) || __MWERKS__ > 0x3000
+#   define BOOST_PP_DETAIL_LINE(text) 1 BOOST_PP_STRINGIZE(text)
+# else
+#   define BOOST_PP_DETAIL_LINE(text) 1
+# endif
+#
+# endif