| 1 | # /* ************************************************************************** |
| 2 | # * * |
| 3 | # * (C) Copyright Edward Diener 2019. * |
| 4 | # * Distributed under the Boost Software License, Version 1.0. (See * |
| 5 | # * accompanying file LICENSE_1_0.txt or copy at * |
| 6 | # * http://www.boost.org/LICENSE_1_0.txt) * |
| 7 | # * * |
| 8 | # ************************************************************************** */ |
| 9 | # |
| 10 | # /* See http://www.boost.org for most recent version. */ |
| 11 | # |
| 12 | # ifndef BOOST_PREPROCESSOR_VARIADIC_HAS_OPT_HPP |
| 13 | # define BOOST_PREPROCESSOR_VARIADIC_HAS_OPT_HPP |
| 14 | # |
| 15 | # include <boost/preprocessor/config/config.hpp> |
| 16 | # |
| 17 | # /* BOOST_PP_VARIADIC_HAS_OPT */ |
| 18 | # |
| 19 | # if defined(__cplusplus) && __cplusplus > 201703L |
| 20 | # if defined(__GNUC__) && !defined(__clang__) && __GNUC__ >= 8 && __GNUC__ < 10 |
| 21 | # define BOOST_PP_VARIADIC_HAS_OPT() 0 |
| 22 | # else |
| 23 | # include <boost/preprocessor/variadic/detail/has_opt.hpp> |
| 24 | # define BOOST_PP_VARIADIC_HAS_OPT() \ |
| 25 | BOOST_PP_VARIADIC_HAS_OPT_ELEM2(BOOST_PP_VARIADIC_HAS_OPT_FUNCTION(?),) \ |
| 26 | /**/ |
| 27 | # endif |
| 28 | # else |
| 29 | # define BOOST_PP_VARIADIC_HAS_OPT() 0 |
| 30 | # endif |
| 31 | # |
| 32 | # endif |
| 33 | |