| // 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_CHRONO_CONFIG_HPP |
| #define BOOST_CHRONO_CONFIG_HPP |
| |
| #include <boost/config.hpp> |
| |
| #if defined(BOOST_CHRONO_SOURCE) && !defined(BOOST_USE_WINDOWS_H) |
| #define BOOST_USE_WINDOWS_H |
| #endif |
| |
| // BOOST_CHRONO_POSIX_API, BOOST_CHRONO_MAC_API, or BOOST_CHRONO_WINDOWS_API |
| // can be defined by the user to specify which API should be used |
| |
| #if defined(BOOST_CHRONO_WINDOWS_API) |
| # warning Boost.Chrono will use the Windows API |
| #elif defined(BOOST_CHRONO_MAC_API) |
| # warning Boost.Chrono will use the Mac API |
| #elif defined(BOOST_CHRONO_POSIX_API) |
| # warning Boost.Chrono will use the POSIX API |
| #endif |
| |
| # if defined( BOOST_CHRONO_WINDOWS_API ) && defined( BOOST_CHRONO_POSIX_API ) |
| # error both BOOST_CHRONO_WINDOWS_API and BOOST_CHRONO_POSIX_API are defined |
| # elif defined( BOOST_CHRONO_WINDOWS_API ) && defined( BOOST_CHRONO_MAC_API ) |
| # error both BOOST_CHRONO_WINDOWS_API and BOOST_CHRONO_MAC_API are defined |
| # elif defined( BOOST_CHRONO_MAC_API ) && defined( BOOST_CHRONO_POSIX_API ) |
| # error both BOOST_CHRONO_MAC_API and BOOST_CHRONO_POSIX_API are defined |
| # elif !defined( BOOST_CHRONO_WINDOWS_API ) && !defined( BOOST_CHRONO_MAC_API ) && !defined( BOOST_CHRONO_POSIX_API ) |
| # if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) |
| # define BOOST_CHRONO_WINDOWS_API |
| # define BOOST_CHRONO_HAS_CLOCK_STEADY |
| # define BOOST_CHRONO_HAS_THREAD_CLOCK |
| # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true |
| # elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__) |
| # define BOOST_CHRONO_MAC_API |
| # define BOOST_CHRONO_HAS_CLOCK_STEADY |
| # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true |
| # else |
| # define BOOST_CHRONO_POSIX_API |
| # endif |
| # endif |
| |
| # if defined( BOOST_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_CHRONO_HAS_CLOCK_STEADY |
| # endif |
| # else |
| # error <time.h> does not supply CLOCK_REALTIME |
| # endif |
| # if defined(_POSIX_THREAD_CPUTIME) && !defined(BOOST_DISABLE_THREADS) |
| # define BOOST_CHRONO_HAS_THREAD_CLOCK |
| # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true |
| # endif |
| # if defined(CLOCK_THREAD_CPUTIME_ID) && !defined(BOOST_DISABLE_THREADS) |
| # define BOOST_CHRONO_HAS_THREAD_CLOCK |
| # define BOOST_CHRONO_THREAD_CLOCK_IS_STEADY true |
| # endif |
| # endif |
| |
| #if defined(BOOST_CHRONO_THREAD_DISABLED) && defined(BOOST_CHRONO_HAS_THREAD_CLOCK) |
| #undef BOOST_CHRONO_HAS_THREAD_CLOCK |
| #undef BOOST_CHRONO_THREAD_CLOCK_IS_STEADY |
| #endif |
| |
| // unicode support ------------------------------// |
| |
| #if defined(BOOST_NO_UNICODE_LITERALS) || defined(BOOST_NO_CHAR16_T) || defined(BOOST_NO_CHAR32_T) |
| //~ #define BOOST_CHRONO_HAS_UNICODE_SUPPORT |
| #else |
| #define BOOST_CHRONO_HAS_UNICODE_SUPPORT 1 |
| #endif |
| |
| // define constexpr related macros ------------------------------// |
| |
| #if defined(BOOST_NO_CONSTEXPR) |
| #define BOOST_CHRONO_CONSTEXPR |
| #define BOOST_CHRONO_CONSTEXPR_OR_CONST const |
| #define BOOST_CHRONO_CONST_REF const& |
| #else |
| #define BOOST_CHRONO_CONSTEXPR constexpr |
| #define BOOST_CHRONO_CONSTEXPR_OR_CONST constexpr |
| #define BOOST_CHRONO_CONST_REF |
| #endif |
| |
| #define BOOST_CHRONO_STATIC_CONSTEXPR static BOOST_CHRONO_CONSTEXPR_OR_CONST |
| |
| |
| #ifdef BOOST_CHRONO_HEADER_ONLY |
| #define BOOST_CHRONO_INLINE inline |
| #define BOOST_CHRONO_STATIC |
| #define BOOST_CHRONO_DECL |
| |
| #else |
| #define BOOST_CHRONO_INLINE |
| #define BOOST_CHRONO_STATIC static |
| |
| // enable dynamic linking on Windows ---------------------------------------// |
| |
| #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_CHRONO_DYN_LINK |
| // if they want just this one to be dynamically liked: |
| #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_CHRONO_DYN_LINK) |
| // export if this is our own source, otherwise import: |
| #ifdef BOOST_CHRONO_SOURCE |
| # define BOOST_CHRONO_DECL __declspec(dllexport) |
| #else |
| # define BOOST_CHRONO_DECL __declspec(dllimport) |
| #endif // BOOST_CHRONO_SOURCE |
| #endif // DYN_LINK |
| #endif // BOOST_HAS_DECLSPEC |
| // |
| // if BOOST_CHRONO_DECL isn't defined yet define it now: |
| #ifndef BOOST_CHRONO_DECL |
| #define BOOST_CHRONO_DECL |
| #endif |
| |
| |
| // enable automatic library variant selection ------------------------------// |
| |
| #if !defined(BOOST_CHRONO_SOURCE) && !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_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_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_CHRONO_HEADER_ONLY |
| #endif // BOOST_CHRONO_CONFIG_HPP |
| |
