1 | #ifndef BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED |
2 | #define BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED |
3 | |
4 | // Copyright 2018-2022 Peter Dimov |
5 | // |
6 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
7 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
8 | // |
9 | // See http://www.boost.org/libs/system for documentation. |
10 | |
11 | #include <boost/config.hpp> |
12 | #include <boost/config/workaround.hpp> |
13 | |
14 | // The macro BOOST_SYSTEM_DISABLE_THREADS can be defined on configurations |
15 | // that provide <system_error> and <atomic>, but not <mutex>, such as the |
16 | // single-threaded libstdc++. |
17 | // |
18 | // https://github.com/boostorg/system/issues/92 |
19 | |
20 | // BOOST_SYSTEM_NOEXCEPT |
21 | // Retained for backward compatibility |
22 | |
23 | #define BOOST_SYSTEM_NOEXCEPT noexcept |
24 | |
25 | // BOOST_SYSTEM_HAS_CONSTEXPR |
26 | |
27 | #if !defined(BOOST_NO_CXX14_CONSTEXPR) |
28 | # define BOOST_SYSTEM_HAS_CONSTEXPR |
29 | #endif |
30 | |
31 | #if BOOST_WORKAROUND(BOOST_GCC, < 60000) |
32 | # undef BOOST_SYSTEM_HAS_CONSTEXPR |
33 | #endif |
34 | |
35 | #if defined(BOOST_SYSTEM_HAS_CONSTEXPR) |
36 | # define BOOST_SYSTEM_CONSTEXPR constexpr |
37 | #else |
38 | # define BOOST_SYSTEM_CONSTEXPR |
39 | #endif |
40 | |
41 | // BOOST_SYSTEM_DEPRECATED |
42 | |
43 | #if defined(__clang__) |
44 | # define BOOST_SYSTEM_DEPRECATED(msg) __attribute__((deprecated(msg))) |
45 | #elif defined(__GNUC__) |
46 | # if __GNUC__ * 100 + __GNUC_MINOR__ >= 405 |
47 | # define BOOST_SYSTEM_DEPRECATED(msg) __attribute__((deprecated(msg))) |
48 | # else |
49 | # define BOOST_SYSTEM_DEPRECATED(msg) __attribute__((deprecated)) |
50 | # endif |
51 | #elif defined(_MSC_VER) |
52 | # define BOOST_SYSTEM_DEPRECATED(msg) __declspec(deprecated(msg)) |
53 | #elif defined(__sun) |
54 | # define BOOST_SYSTEM_DEPRECATED(msg) __attribute__((deprecated(msg))) |
55 | #else |
56 | # define BOOST_SYSTEM_DEPRECATED(msg) |
57 | #endif |
58 | |
59 | // BOOST_SYSTEM_CLANG_6 |
60 | |
61 | // Android NDK r18b has Clang 7.0.2 that still needs the workaround |
62 | // https://github.com/boostorg/system/issues/100 |
63 | #if defined(__clang__) && (__clang_major__ < 7 || (defined(__APPLE__) && __clang_major__ < 11) || (defined(__ANDROID__) && __clang_major__ == 7)) |
64 | # define BOOST_SYSTEM_CLANG_6 |
65 | #endif |
66 | |
67 | // |
68 | |
69 | #if defined(BOOST_LIBSTDCXX_VERSION) && BOOST_LIBSTDCXX_VERSION < 50000 |
70 | # define BOOST_SYSTEM_AVOID_STD_GENERIC_CATEGORY |
71 | #endif |
72 | |
73 | #if defined(__CYGWIN__) || defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER == 1800) || (defined(BOOST_LIBSTDCXX_VERSION) && BOOST_LIBSTDCXX_VERSION < 90000) |
74 | |
75 | // Under Cygwin (and MinGW!), std::system_category() is POSIX |
76 | // Under VS2013, std::system_category() isn't quite right |
77 | // Under libstdc++ before 7.4, before 8.3, before 9.1, default_error_condition |
78 | // for the system category returns a condition from the system category |
79 | |
80 | # define BOOST_SYSTEM_AVOID_STD_SYSTEM_CATEGORY |
81 | #endif |
82 | |
83 | #endif // BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED |
84 | |