162 lines
5.3 KiB
C++
162 lines
5.3 KiB
C++
// boost/chrono/config.hpp -------------------------------------------------//
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// Copyright Beman Dawes 2003, 2006, 2008
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// Copyright 2009-2011 Vicente J. Botet Escriba
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/chrono for documentation.
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#ifndef BOOST_CHRONO_CONFIG_HPP
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#define BOOST_CHRONO_CONFIG_HPP
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#include <boost/config.hpp>
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#if defined(BOOST_CHRONO_SOURCE) && !defined(BOOST_USE_WINDOWS_H)
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#define BOOST_USE_WINDOWS_H
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#endif
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// BOOST_CHRONO_POSIX_API, BOOST_CHRONO_MAC_API, or BOOST_CHRONO_WINDOWS_API
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// can be defined by the user to specify which API should be used
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#if defined(BOOST_CHRONO_WINDOWS_API)
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# warning Boost.Chrono will use the Windows API
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#elif defined(BOOST_CHRONO_MAC_API)
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# warning Boost.Chrono will use the Mac API
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#elif defined(BOOST_CHRONO_POSIX_API)
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# warning Boost.Chrono will use the POSIX API
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#endif
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# if defined( BOOST_CHRONO_WINDOWS_API ) && defined( BOOST_CHRONO_POSIX_API )
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# error both BOOST_CHRONO_WINDOWS_API and BOOST_CHRONO_POSIX_API are defined
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# elif defined( BOOST_CHRONO_WINDOWS_API ) && defined( BOOST_CHRONO_MAC_API )
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# error both BOOST_CHRONO_WINDOWS_API and BOOST_CHRONO_MAC_API are defined
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# elif defined( BOOST_CHRONO_MAC_API ) && defined( BOOST_CHRONO_POSIX_API )
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# error both BOOST_CHRONO_MAC_API and BOOST_CHRONO_POSIX_API are defined
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# elif !defined( BOOST_CHRONO_WINDOWS_API ) && !defined( BOOST_CHRONO_MAC_API ) && !defined( BOOST_CHRONO_POSIX_API )
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# if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32))
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# define BOOST_CHRONO_WINDOWS_API
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# elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
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# define BOOST_CHRONO_MAC_API
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# else
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# define BOOST_CHRONO_POSIX_API
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# endif
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# endif
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# if defined( BOOST_CHRONO_WINDOWS_API )
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# ifndef UNDER_CE
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# define BOOST_CHRONO_HAS_PROCESS_CLOCKS
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# endif
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# define BOOST_CHRONO_HAS_CLOCK_STEADY
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# define BOOST_CHRONO_HAS_THREAD_CLOCK
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# define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true
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# endif
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# if defined( BOOST_CHRONO_MAC_API )
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# define BOOST_CHRONO_HAS_PROCESS_CLOCKS
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# define BOOST_CHRONO_HAS_CLOCK_STEADY
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# define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true
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# endif
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# if defined( BOOST_CHRONO_POSIX_API )
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# define BOOST_CHRONO_HAS_PROCESS_CLOCKS
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# include <time.h> //to check for CLOCK_REALTIME and CLOCK_MONOTONIC and _POSIX_THREAD_CPUTIME
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# if defined(CLOCK_REALTIME)
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# if defined(CLOCK_MONOTONIC)
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# define BOOST_CHRONO_HAS_CLOCK_STEADY
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# endif
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# else
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# error <time.h> does not supply CLOCK_REALTIME
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# endif
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# if defined(_POSIX_THREAD_CPUTIME) && !defined(BOOST_DISABLE_THREADS)
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# define BOOST_CHRONO_HAS_THREAD_CLOCK
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# define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true
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# endif
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# if defined(CLOCK_THREAD_CPUTIME_ID) && !defined(BOOST_DISABLE_THREADS)
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# define BOOST_CHRONO_HAS_THREAD_CLOCK
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# define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true
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# endif
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# if defined(sun) || defined(__sun)
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# undef BOOST_CHRONO_HAS_THREAD_CLOCK
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# undef BOOST_CHRONO_THREAD_CLOCK_IS_STEADY
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# endif
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# endif
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#if defined(BOOST_CHRONO_THREAD_DISABLED) && defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
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#undef BOOST_CHRONO_HAS_THREAD_CLOCK
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#undef BOOST_CHRONO_THREAD_CLOCK_IS_STEADY
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#endif
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// unicode support ------------------------------//
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#if defined(BOOST_NO_UNICODE_LITERALS) || defined(BOOST_NO_CHAR16_T) || defined(BOOST_NO_CHAR32_T)
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//~ #define BOOST_CHRONO_HAS_UNICODE_SUPPORT
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#else
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#define BOOST_CHRONO_HAS_UNICODE_SUPPORT 1
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#endif
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#if ! defined BOOST_NOEXCEPT
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#if defined(BOOST_NO_NOEXCEPT)
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#define BOOST_NOEXCEPT
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#else
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#define BOOST_NOEXCEPT noexcept
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#endif
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#endif
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#ifdef BOOST_CHRONO_HEADER_ONLY
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#define BOOST_CHRONO_INLINE inline
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#define BOOST_CHRONO_STATIC inline
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#define BOOST_CHRONO_DECL
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#else
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#define BOOST_CHRONO_INLINE
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#define BOOST_CHRONO_STATIC static
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// enable dynamic linking on Windows ---------------------------------------//
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// we need to import/export our code only if the user has specifically
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// asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost
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// libraries to be dynamically linked, or BOOST_CHRONO_DYN_LINK
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// if they want just this one to be dynamically liked:
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#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_CHRONO_DYN_LINK)
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// export if this is our own source, otherwise import:
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#ifdef BOOST_CHRONO_SOURCE
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# define BOOST_CHRONO_DECL BOOST_SYMBOL_EXPORT
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#else
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# define BOOST_CHRONO_DECL BOOST_SYMBOL_IMPORT
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#endif // BOOST_CHRONO_SOURCE
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#endif // DYN_LINK
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//
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// if BOOST_CHRONO_DECL isn't defined yet define it now:
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#ifndef BOOST_CHRONO_DECL
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#define BOOST_CHRONO_DECL
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#endif
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//#define BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
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// enable automatic library variant selection ------------------------------//
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#if !defined(BOOST_CHRONO_SOURCE) && !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_CHRONO_NO_LIB)
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//
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// Set the name of our library; this will get undef'ed by auto_link.hpp
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// once it's done with it:
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//
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#define BOOST_LIB_NAME boost_chrono
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//
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// If we're importing code from a dll, then tell auto_link.hpp about it:
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//
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#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_CHRONO_DYN_LINK)
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# define BOOST_DYN_LINK
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#endif
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//
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// And include the header that does the work:
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//
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#include <boost/config/auto_link.hpp>
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#endif // auto-linking disabled
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#endif // BOOST_CHRONO_HEADER_ONLY
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#endif // BOOST_CHRONO_CONFIG_HPP
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