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authorUlrich Drepper <drepper@redhat.com>2009-08-23 14:55:51 -0700
committerUlrich Drepper <drepper@redhat.com>2009-08-23 14:55:51 -0700
commitbdc7f5d76b4f284475595dddc79f0e0f9720ec20 (patch)
treee785157977597e50973af9d82b976296bd4be6bd /posix
parent2d094b739598d2e1718d3cc4c5af7e95787bd463 (diff)
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Also correct _POSIX2_* constants in case older standards are selected.
Diffstat (limited to 'posix')
-rw-r--r--posix/unistd.h24
1 files changed, 19 insertions, 5 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index 2de9a68b39..d9ecb5e788 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -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.  */
+#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	200809L
+#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