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-rw-r--r--include/features.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/features.h b/include/features.h
index 5e39b7fcc9..f9735dc66f 100644
--- a/include/features.h
+++ b/include/features.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1993,1995-2000,2001,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1993,1995-2002, 2003   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -188,6 +188,10 @@
 # define __USE_POSIX199506	1
 #endif
 
+#if (_POSIX_C_SOURCE - 0) >= 200112L
+# define __USE_XOPEN2K		1
+#endif
+
 #ifdef	_XOPEN_SOURCE
 # define __USE_XOPEN	1
 # if (_XOPEN_SOURCE - 0) >= 500