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authorUlrich Drepper <drepper@redhat.com>2009-08-23 14:55:51 -0700
committerPetr Baudis <pasky@suse.cz>2009-09-18 17:40:54 +0200
commitbf1f1f4e4ab4bc44c2e3205d9d869b7c20a33d32 (patch)
treeed48935e612a53e203d379d11c2e41c2c9776342 /posix
parent969cfcda4c6ed4a2eda59360946fa7e91883ad59 (diff)
Also correct _POSIX2_* constants in case older standards are selected.
(cherry picked from commit bdc7f5d76b4f284475595dddc79f0e0f9720ec20)
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 6f92c250ba..a487883eb8 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