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Also correct _POSIX2_* constants in case older standards are selected.

This commit is contained in:
Ulrich Drepper 2009-08-23 14:55:51 -07:00
parent 2d094b7395
commit bdc7f5d76b
2 changed files with 21 additions and 7 deletions
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4
ChangeLog
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@ -1,7 +1,7 @@
2009-08-23 Ulrich Drepper <drepper@redhat.com>
* posix/unistd.h: Define _POSIX_VERSION correctly if older POSIX
versions are selected.
* posix/unistd.h: Define _POSIX_VERSION and _POSIX2_* correctly if
older POSIX versions are selected.
* stdio-common/printf_fp.c: ISO C expects to print the sign of NaN
as well.

24
posix/unistd.h
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@ -50,24 +50,38 @@ __BEGIN_DECLS
/* These are not #ifdef __USE_POSIX2 because they are
in the theoretically application-owned namespace. */
#ifdef __USE_XOPEN2K8
# define __POSIX2_THIS_VERSION 200809L
/* The utilities on GNU systems also correspond to this version. */
#define _POSIX2_VERSION 200809L
#elif defined __USE_XOPEN2K
/* The utilities on GNU systems also correspond to this version. */
# define __POSIX2_THIS_VERSION 200112L
#elif defined __USE_POSIX199506
/* The utilities on GNU systems also correspond to this version. */
# define __POSIX2_THIS_VERSION 199506L
#else
/* The utilities on GNU systems also correspond to this version. */
# define __POSIX2_THIS_VERSION 199209L
#endif
/* The utilities on GNU systems also correspond to this version. */
#define _POSIX2_VERSION __POSIX2_THIS_VERSION
/* If defined, the implementation supports the
C Language Bindings Option. */
#define _POSIX2_C_BIND 200809L
#define _POSIX2_C_BIND __POSIX2_THIS_VERSION
/* If defined, the implementation supports the
C Language Development Utilities Option. */
#define _POSIX2_C_DEV 200809L
#define _POSIX2_C_DEV __POSIX2_THIS_VERSION
/* If defined, the implementation supports the
Software Development Utilities Option. */
#define _POSIX2_SW_DEV 200809L
#define _POSIX2_SW_DEV __POSIX2_THIS_VERSION
/* If defined, the implementation supports the
creation of locales with the localedef utility. */
#define _POSIX2_LOCALEDEF 200809L
#define _POSIX2_LOCALEDEF __POSIX2_THIS_VERSION
/* X/Open version number to which the library conforms. It is selectable. */
#ifdef __USE_XOPEN2K8