projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | |
| 2 | // Copyright (C) 2008-2016 Daniel James. | |
| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 5 | ||
| 6 | #ifndef BOOST_UNORDERED_FWD_HPP_INCLUDED | |
| 7 | #define BOOST_UNORDERED_FWD_HPP_INCLUDED | |
| 8 | ||
| 9 | #include <boost/config.hpp> | |
| 10 | #if defined(BOOST_HAS_PRAGMA_ONCE) | |
| 11 | #pragma once | |
| 12 | #endif | |
| 13 | ||
| 14 | #if defined(BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT) | |
| 15 | // Already defined. | |
| 16 | #elif defined(BOOST_LIBSTDCXX11) | |
| 17 | // https://github.com/gcc-mirror/gcc/blob/gcc-4_6-branch/libstdc++-v3/include/bits/stl_pair.h#L70 | |
| 18 | # if BOOST_LIBSTDCXX_VERSION > 40600 | |
| 19 | # define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 1 | |
| 20 | # endif | |
| 21 | #elif defined(_LIBCPP_VERSION) | |
| 22 | // https://github.com/llvm-mirror/libcxx/blob/release_30/include/utility#L206 | |
| 23 | # if LIBCPP_VERSION >= 3000 | |
| 24 | # define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 1 | |
| 25 | # endif | |
| 26 | #elif defined(BOOST_MSVC) | |
| 27 | // Apparently C++11 standard supported in Visual Studio 2012 | |
| 28 | // https://msdn.microsoft.com/en-us/library/hh567368.aspx#stl | |
| 29 | // 2012 = VC+11 = BOOST_MSVC 1700 Hopefully! | |
| 30 | # if BOOST_MSVC >= 1700 | |
| 31 | # define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 1 | |
| 32 | # endif | |
| 33 | #endif | |
| 34 | ||
| 35 | #if !defined(BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT) | |
| 36 | #define BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT 0 | |
| 37 | #endif | |
| 38 | ||
| 39 | #if BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT | |
| 40 | #include <utility> | |
| 41 | #endif | |
| 42 | ||
| 43 | namespace boost | |
| 44 | { | |
| 45 | namespace unordered | |
| 46 | { | |
| 47 | #if BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT | |
| 48 | using std::piecewise_construct_t; | |
| 49 | using std::piecewise_construct; | |
| 50 | #else | |
| 51 | struct piecewise_construct_t {}; | |
| 52 | const piecewise_construct_t piecewise_construct = piecewise_construct_t(); | |
| 53 | #endif | |
| 54 | } | |
| 55 | } | |
| 56 | ||
| 57 | #endif |