ext-boost/boost/config/platform/linux.hpp
2017-03-12 21:30:15 -07:00

106 lines
2.6 KiB
C++

// (C) Copyright John Maddock 2001 - 2003.
// (C) Copyright Jens Maurer 2001 - 2003.
// Use, modification and distribution are subject to 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 for most recent version.
// linux specific config options:
#define BOOST_PLATFORM "linux"
// make sure we have __GLIBC_PREREQ if available at all
#ifdef __cplusplus
#include <cstdlib>
#else
#include <stdlib.h>
#endif
//
// <stdint.h> added to glibc 2.1.1
// We can only test for 2.1 though:
//
#if defined(__GLIBC__) && ((__GLIBC__ > 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 1)))
// <stdint.h> defines int64_t unconditionally, but <sys/types.h> defines
// int64_t only if __GNUC__. Thus, assume a fully usable <stdint.h>
// only when using GCC.
# if defined __GNUC__
# define BOOST_HAS_STDINT_H
# endif
#endif
#if defined(__LIBCOMO__)
//
// como on linux doesn't have std:: c functions:
// NOTE: versions of libcomo prior to beta28 have octal version numbering,
// e.g. version 25 is 21 (dec)
//
# if __LIBCOMO_VERSION__ <= 20
# define BOOST_NO_STDC_NAMESPACE
# endif
# if __LIBCOMO_VERSION__ <= 21
# define BOOST_NO_SWPRINTF
# endif
#endif
//
// If glibc is past version 2 then we definitely have
// gettimeofday, earlier versions may or may not have it:
//
#if defined(__GLIBC__) && (__GLIBC__ >= 2)
# define BOOST_HAS_GETTIMEOFDAY
#endif
#ifdef __USE_POSIX199309
# define BOOST_HAS_NANOSLEEP
#endif
#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
// __GLIBC_PREREQ is available since 2.1.2
// swprintf is available since glibc 2.2.0
# if !__GLIBC_PREREQ(2,2) || (!defined(__USE_ISOC99) && !defined(__USE_UNIX98))
# define BOOST_NO_SWPRINTF
# endif
#else
# define BOOST_NO_SWPRINTF
#endif
// boilerplate code:
#define BOOST_HAS_UNISTD_H
#include <boost/config/posix_features.hpp>
#if defined(__USE_GNU) && !defined(__ANDROID__) && !defined(ANDROID)
#define BOOST_HAS_PTHREAD_YIELD
#endif
#ifndef __GNUC__
//
// if the compiler is not gcc we still need to be able to parse
// the GNU system headers, some of which (mainly <stdint.h>)
// use GNU specific extensions:
//
# ifndef __extension__
# define __extension__
# endif
# ifndef __const__
# define __const__ const
# endif
# ifndef __volatile__
# define __volatile__ volatile
# endif
# ifndef __signed__
# define __signed__ signed
# endif
# ifndef __typeof__
# define __typeof__ typeof
# endif
# ifndef __inline__
# define __inline__ inline
# endif
#endif