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- // boost/chrono/config.hpp -------------------------------------------------//
- // Copyright Beman Dawes 2003, 2006, 2008
- // Copyright 2009 Vicente J. Botet Escriba
- // Distributed under the Boost Software License, Version 1.0. (See accompanying
- // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- // See http://www.boost.org/libs/chrono for documentation.
- #ifndef BOOST_EX_CHRONO_CONFIG_HPP
- #define BOOST_EX_CHRONO_CONFIG_HPP
- #include <boost/config.hpp>
- // BOOST_EX_CHRONO_POSIX_API, BOOST_EX_CHRONO_MAC_API, or BOOST_EX_CHRONO_WINDOWS_API
- // can be defined by the user to specify which API should be used
- #if defined(BOOST_EX_CHRONO_WINDOWS_API)
- # warning Boost.Chrono will use the Windows API
- #elif defined(BOOST_EX_CHRONO_MAC_API)
- # warning Boost.Chrono will use the Mac API
- #elif defined(BOOST_EX_CHRONO_POSIX_API)
- # warning Boost.Chrono will use the POSIX API
- #endif
- # if defined( BOOST_EX_CHRONO_WINDOWS_API ) && defined( BOOST_EX_CHRONO_POSIX_API )
- # error both BOOST_EX_CHRONO_WINDOWS_API and BOOST_EX_CHRONO_POSIX_API are defined
- # elif defined( BOOST_EX_CHRONO_WINDOWS_API ) && defined( BOOST_EX_CHRONO_MAC_API )
- # error both BOOST_EX_CHRONO_WINDOWS_API and BOOST_EX_CHRONO_MAC_API are defined
- # elif defined( BOOST_EX_CHRONO_MAC_API ) && defined( BOOST_EX_CHRONO_POSIX_API )
- # error both BOOST_EX_CHRONO_MAC_API and BOOST_EX_CHRONO_POSIX_API are defined
- # elif !defined( BOOST_EX_CHRONO_WINDOWS_API ) && !defined( BOOST_EX_CHRONO_MAC_API ) && !defined( BOOST_EX_CHRONO_POSIX_API )
- # if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32))
- # define BOOST_EX_CHRONO_WINDOWS_API
- # define BOOST_EX_CHRONO_HAS_CLOCK_MONOTONIC
- # define BOOST_EX_CHRONO_HAS_THREAD_CLOCK
- # define BOOST_EX_CHRONO_THREAD_CLOCK_IS_MONOTONIC true
- # elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
- # define BOOST_EX_CHRONO_MAC_API
- # define BOOST_EX_CHRONO_HAS_CLOCK_MONOTONIC
- # define BOOST_EX_CHRONO_THREAD_CLOCK_IS_MONOTONIC true
- # else
- # define BOOST_EX_CHRONO_POSIX_API
- # endif
- # endif
- # if defined( BOOST_EX_CHRONO_POSIX_API )
- # include <time.h> //to check for CLOCK_REALTIME and CLOCK_MONOTONIC and _POSIX_THREAD_CPUTIME
- # if defined(CLOCK_REALTIME)
- # if defined(CLOCK_MONOTONIC)
- # define BOOST_EX_CHRONO_HAS_CLOCK_MONOTONIC
- # endif
- # else
- # error <time.h> does not supply CLOCK_REALTIME
- # endif
- # if defined(_POSIX_THREAD_CPUTIME)
- # define BOOST_EX_CHRONO_HAS_THREAD_CLOCK
- # define BOOST_EX_CHRONO_THREAD_CLOCK_IS_MONOTONIC true
- # endif
- # endif
- // enable dynamic linking on Windows ---------------------------------------//
- //# if (defined(BOOST_ALL_DYN_LINK) || defined(BOOST_EX_CHRONO_DYN_LINK)) && defined(__BORLANDC__) && defined(__WIN32__)
- //# error Dynamic linking Boost.System does not work for Borland; use static linking instead
- //# endif
- #ifdef BOOST_HAS_DECLSPEC // defined by boost.config
- // we need to import/export our code only if the user has specifically
- // asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost
- // libraries to be dynamically linked, or BOOST_EX_CHRONO_DYN_LINK
- // if they want just this one to be dynamically liked:
- #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_EX_CHRONO_DYN_LINK)
- // export if this is our own source, otherwise import:
- #ifdef BOOST_EX_CHRONO_SOURCE
- # define BOOST_EX_CHRONO_DECL __declspec(dllexport)
- #else
- # define BOOST_EX_CHRONO_DECL __declspec(dllimport)
- #endif // BOOST_EX_CHRONO_SOURCE
- #endif // DYN_LINK
- #endif // BOOST_HAS_DECLSPEC
- //
- // if BOOST_EX_CHRONO_DECL isn't defined yet define it now:
- #ifndef BOOST_EX_CHRONO_DECL
- #define BOOST_EX_CHRONO_DECL
- #endif
- // define constexpr related macros ------------------------------//
- //~ #include <boost/config.hpp>
- #if defined(BOOST_NO_CXX11_CONSTEXPR)
- #define BOOST_EX_CHRONO_CONSTEXPR
- #define BOOST_EX_CHRONO_CONST_REF const&
- #else
- #define BOOST_EX_CHRONO_CONSTEXPR constexpr
- #define BOOST_EX_CHRONO_CONST_REF
- #endif
- // enable automatic library variant selection ------------------------------//
- #if !defined(BOOST_EX_CHRONO_SOURCE) && !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_EX_CHRONO_NO_LIB)
- //
- // Set the name of our library; this will get undef'ed by auto_link.hpp
- // once it's done with it:
- //
- #define BOOST_LIB_NAME boost_chrono
- //
- // If we're importing code from a dll, then tell auto_link.hpp about it:
- //
- #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_EX_CHRONO_DYN_LINK)
- # define BOOST_DYN_LINK
- #endif
- //
- // And include the header that does the work:
- //
- #include <boost/config/auto_link.hpp>
- #endif // auto-linking disabled
- #endif // BOOST_EX_CHRONO_CONFIG_HPP
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