//  (C) Copyright Boost.org 2001. Permission to copy, use, modify, sell and//  distribute this software is granted provided this copyright notice appears//  in all copies. This software is provided "as is" without express or implied//  warranty, and with no claim as to its suitability for any purpose.//  See http://www.boost.org for most recent version./*  * @$Id: linux.h,v 1.2 2004/03/18 13:32:32 jackjansen Exp $  *///  linux specific config options:#define AMBULANT_PLATFORM "linux"#define AMBULANT_PLATFORM_LINUX#define AMBULANT_PLATFORM_UNIX// make sure we have __GLIBC_PREREQ if available at all#include <cstdlib>//// <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 AMBULANT_HAS_STDINT_H#  endif#endif//// como on linux doesn't have std:: c functions://#ifdef __COMO__#  define AMBULANT_NO_STDC_NAMESPACE#endif//// Intel on linux doesn't have swprintf in std:://#ifdef  __ICC#  define AMBULANT_NO_STDC_NAMESPACE#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 AMBULANT_HAS_GETTIMEOFDAY#endif#ifdef __USE_POSIX199309#  define AMBULANT_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 AMBULANT_NO_SWPRINTF#  endif#else#  define AMBULANT_NO_SWPRINTF#endif// boilerplate code:#define AMBULANT_HAS_UNISTD_H#include <ambulant/config/posix_features.h>#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