config.hpp
946 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
#ifndef BOOST_DESCRIBE_DETAIL_CONFIG_HPP_INCLUDED
#define BOOST_DESCRIBE_DETAIL_CONFIG_HPP_INCLUDED
// Copyright 2021 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#if __cplusplus >= 201402L
# define BOOST_DESCRIBE_CXX14
# define BOOST_DESCRIBE_CXX11
#elif defined(_MSC_VER) && _MSC_VER >= 1900
# define BOOST_DESCRIBE_CXX14
# define BOOST_DESCRIBE_CXX11
#elif __cplusplus >= 201103L
# define BOOST_DESCRIBE_CXX11
# if defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ == 7
# undef BOOST_DESCRIBE_CXX11
# endif
#endif
#if defined(BOOST_DESCRIBE_CXX11)
# define BOOST_DESCRIBE_CONSTEXPR_OR_CONST constexpr
#else
# define BOOST_DESCRIBE_CONSTEXPR_OR_CONST const
#endif
#if defined(__clang__)
# define BOOST_DESCRIBE_MAYBE_UNUSED __attribute__((unused))
#else
# define BOOST_DESCRIBE_MAYBE_UNUSED
#endif
#endif // #ifndef BOOST_DESCRIBE_DETAIL_CONFIG_HPP_INCLUDED