# include <boost/preprocessor/iteration/detail/bounds/lower2.hpp>
# define BOOST_PP_VALUE BOOST_PP_TUPLE_ELEM(2, 1, BOOST_PP_ITERATION_LIMITS)
# include <boost/preprocessor/iteration/detail/bounds/upper2.hpp>
-# define BOOST_PP_ITERATION_FLAGS_2 0
+# define BOOST_PP_ITERATION_FLAGS_2() 0
# undef BOOST_PP_ITERATION_LIMITS
# elif defined(BOOST_PP_ITERATION_PARAMS_2)
# define BOOST_PP_VALUE BOOST_PP_ARRAY_ELEM(0, BOOST_PP_ITERATION_PARAMS_2)
# include <boost/preprocessor/iteration/detail/bounds/upper2.hpp>
# define BOOST_PP_FILENAME_2 BOOST_PP_ARRAY_ELEM(2, BOOST_PP_ITERATION_PARAMS_2)
# if BOOST_PP_ARRAY_SIZE(BOOST_PP_ITERATION_PARAMS_2) >= 4
-# define BOOST_PP_ITERATION_FLAGS_2 BOOST_PP_ARRAY_ELEM(3, BOOST_PP_ITERATION_PARAMS_2)
+# define BOOST_PP_ITERATION_FLAGS_2() BOOST_PP_ARRAY_ELEM(3, BOOST_PP_ITERATION_PARAMS_2)
# else
-# define BOOST_PP_ITERATION_FLAGS_2 0
+# define BOOST_PP_ITERATION_FLAGS_2() 0
# endif
# else
# error BOOST_PP_ERROR: depth #2 iteration boundaries or filename not defined