(_POSIX2_VERSION, POSIX2_VERSION): New macros.

diff --git a/src/system.h b/src/system.h
index 6e11e44..caf50ae 100644 (file)
--- a/src/system.h
+++ b/src/system.h
@@ -1,5 +1,5 @@
 /* system-dependent definitions for fileutils, textutils, and sh-utils packages.
-   Copyright (C) 1989, 1991-2001 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1991-2002 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -33,6 +33,17 @@
 # include <unistd.h>
 #endif
 
+#ifndef _POSIX2_VERSION
+# define _POSIX2_VERSION 0
+#endif
+
+/* The POSIX version that our programs should conform to.  The default
+   is the same as for system programs.  If the system does not specify
+   a version, assume the latest version, whatever it is.  */
+#ifndef POSIX2_VERSION
+# define POSIX2_VERSION (_POSIX2_VERSION ? _POSIX2_VERSION : 2147483647)
+#endif
+
 #ifndef STDIN_FILENO
 # define STDIN_FILENO 0
 #endif