diff options
Diffstat (limited to 'include/features.h')
| -rw-r--r-- | include/features.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/features.h b/include/features.h index 96ac7e5f75..6e3a8763b3 100644 --- a/include/features.h +++ b/include/features.h @@ -29,7 +29,8 @@ if >=199309L, add IEEE Std 1003.1b-1993; if >=199506L, add IEEE Std 1003.1c-1995 _XOPEN_SOURCE Includes POSIX and XPG things. Set to 500 if - Single Unix conformance is wanted. + Single Unix conformance is wanted, to 600 for the + upcoming sixth revision. _XOPEN_SOURCE_EXTENDED XPG things and X/Open Unix extensions. _LARGEFILE_SOURCE Some more functions for correct standard I/O. _LARGEFILE64_SOURCE Additional functionality from LFS for large files. @@ -57,7 +58,8 @@ __USE_XOPEN Define XPG things. __USE_XOPEN_EXTENDED Define X/Open Unix things. __USE_UNIX98 Define Single Unix V2 things. - __USE_XOPEN2K Define XPG6 things + __USE_XOPEN2K Define XPG6 things. + __USE_LARGEFILE Define correct standard I/O things. __USE_LARGEFILE64 Define LFS things with separate names. __USE_FILE_OFFSET64 Define 64bit interface as default. __USE_BSD Define 4.3BSD things. @@ -162,7 +164,7 @@ #if (!defined __STRICT_ANSI__ && !defined _POSIX_SOURCE && \ !defined _POSIX_C_SOURCE) # define _POSIX_SOURCE 1 -# if defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) != 500 +# if defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) < 500 # define _POSIX_C_SOURCE 2 # else # define _POSIX_C_SOURCE 199506L @@ -192,7 +194,7 @@ # define __USE_UNIX98 1 # undef _LARGEFILE_SOURCE # define _LARGEFILE_SOURCE 1 -# if (_XOPEN_SOURCE - 0) == 600 +# if (_XOPEN_SOURCE - 0) >= 600 # define __USE_XOPEN2K 1 # endif # else |