initial revision

[SVN r15203]

include/boost/preprocessor/punctuation/comma_if.hpp

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+# /* Copyright (C) 2001
+#  * Housemarque Oy
+#  * http://www.housemarque.com
+#  *
+#  * 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.
+#  */
+#
+# /* Revised by Paul Mensonides (2002) */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# ifndef BOOST_PREPROCESSOR_PUNCTUATION_COMMA_IF_HPP
+# define BOOST_PREPROCESSOR_PUNCTUATION_COMMA_IF_HPP
+#
+# include <boost/preprocessor/config/config.hpp>
+# include <boost/preprocessor/control/if.hpp>
+# include <boost/preprocessor/facilities/empty.hpp>
+# include <boost/preprocessor/punctuation/comma.hpp>
+#
+# /* BOOST_PP_COMMA_IF */
+#
+# if ~BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_EDG
+#    define BOOST_PP_COMMA_IF BOOST_PP_COMMA_IF_D
+# else
+#    define BOOST_PP_COMMA_IF(cond) BOOST_PP_COMMA_IF_D(cond)
+# endif
+#
+# define BOOST_PP_COMMA_IF_D(cond) BOOST_PP_IF(cond, BOOST_PP_COMMA, BOOST_PP_EMPTY)()
+#
+# endif