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Added checks for _POSIX_C_SOURCE and _XOPEN_SOURCE

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[SVN r16677]
This commit is contained in:
John Maddock
2002-12-22 12:11:07 +00:00
parent 5e5eaae566
commit 21922c5b5b
1 changed files with 12 additions and 6 deletions
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18
include/boost/config/posix_features.hpp
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@ -5,23 +5,29 @@
// See http://www.boost.org for most recent version.
// All POSIX feature tests go in this file:
// All POSIX feature tests go in this file,
// Note that we test _POSIX_C_SOURCE and _XOPEN_SOURCE as well
// _POSIX_VERSION and _XOPEN_VERSION: on some systems POSIX API's
// may be present but none-functional unless _POSIX_C_SOURCE and
// _XOPEN_SOURCE have been defined to the right value (it's up
// to the user to do this *before* including any header, although
// in most cases the compiler will do this for you).
# ifdef BOOST_HAS_UNISTD_H
# if defined(BOOST_HAS_UNISTD_H) && defined(_POSIX_C_SOURCE)
# include <unistd.h>
// XOpen has <nl_types.h>, but is this the correct version check?
# if defined(_XOPEN_VERSION) && (_XOPEN_VERSION >= 3)
# if defined(_XOPEN_VERSION) && (_XOPEN_VERSION >= 3) && defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 3)
# define BOOST_HAS_NL_TYPES_H
# endif
// POSIX version 6 requires <stdint.h>
# if defined(_POSIX_VERSION) && (_POSIX_VERSION >= 200100)
# if defined(_POSIX_VERSION) && (_POSIX_VERSION >= 200100) && (_POSIX_C_SOURCE >= 200100)
# define BOOST_HAS_STDINT_H
# endif
// POSIX version 2 requires <dirent.h>
# if defined(_POSIX_VERSION) && (_POSIX_VERSION >= 199009L)
# if defined(_POSIX_VERSION) && (_POSIX_VERSION >= 199009L) && (_POSIX_C_SOURCE >= 199009L)
# define BOOST_HAS_DIRENT_H
# endif
@ -63,7 +69,7 @@
// BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE:
// These are predicated on _XOPEN_VERSION, and appears to be first released
// in issue 4, version 2 (_XOPEN_VERSION > 500).
# if defined(_XOPEN_VERSION) && (_XOPEN_VERSION+0 >= 500)
# if defined(_XOPEN_VERSION) && (_XOPEN_VERSION+0 >= 500) && defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 500)
# define BOOST_HAS_GETTIMEOFDAY
# define BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
# endif