diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | posix/unistd.h | 16 |
2 files changed, 18 insertions, 1 deletions
@@ -1,5 +1,8 @@ 2009-08-23 Ulrich Drepper <drepper@redhat.com> + * posix/unistd.h: Define _POSIX_VERSION correctly if older POSIX + versions are selected. + * stdio-common/printf_fp.c: ISO C expects to print the sign of NaN as well. * stdio-common/printf_fphex.c: Likewise. diff --git a/posix/unistd.h b/posix/unistd.h index cbab9f939e..2de9a68b39 100644 --- a/posix/unistd.h +++ b/posix/unistd.h @@ -30,8 +30,22 @@ __BEGIN_DECLS /* These may be used to determine what facilities are present at compile time. Their values can be obtained at run time from `sysconf'. */ +#ifdef __USE_XOPEN2K8 /* POSIX Standard approved as ISO/IEC 9945-1 as of September 2008. */ -#define _POSIX_VERSION 200809L +# define _POSIX_VERSION 200809L +#elif defined __USE_XOPEN2K +/* POSIX Standard approved as ISO/IEC 9945-1 as of December 2001. */ +# define _POSIX_VERSION 200112L +#elif defined __USE_POSIX199506 +/* POSIX Standard approved as ISO/IEC 9945-1 as of June 1995. */ +# define _POSIX_VERSION 199506L +#elif defined __USE_POSIX199309 +/* POSIX Standard approved as ISO/IEC 9945-1 as of September 1993. */ +# define _POSIX_VERSION 199309L +#else +/* POSIX Standard approved as ISO/IEC 9945-1 as of September 1990. */ +# define _POSIX_VERSION 199009L +#endif /* These are not #ifdef __USE_POSIX2 because they are in the theoretically application-owned namespace. */ |