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-rw-r--r--src/system.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/system.h b/src/system.h
index 6e11e44bd..caf50aec7 100644
--- 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