Update.

	* sysdeps/generic/bits/confname.h: Add _SC_V6_* and _CS_POSIX_V6_*
	values.
	* sysdeps/generic/bits/environments.h: Define _POSIX_V6_* values.
	* posix/confstr.c: Handle _CS_POSIX_V6_* values.
	* posix/getconf.c: Handle _CS_POSIX_V6_* and _SC_V6_* values.
	* sysdeps/posix/sysconf.c: Handle _SC_V6_* values.

2 files changed, 65 insertions, 7 deletions

diff --git a/bits/confname.h b/bits/confname.h
index 7565e495da..56dc02181d 100644
--- a/bits/confname.h
+++ b/bits/confname.h
@@ -434,8 +434,17 @@ enum
 #define _SC_SYMLOOP			_SC_SYMLOOP
     _SC_STREAMS,
 #define _SC_STREAMS			_SC_STREAMS
-    _SC_2_PBS_CHECKPOINT
+    _SC_2_PBS_CHECKPOINT,
 #define _SC_2_PBS_CHECKPOINT		_SC_2_PBS_CHECKPOINT
+
+    _SC_V6_ILP32_OFF32,
+#define _SC_V6_ILP32_OFF32		_SC_V6_ILP32_OFF32
+    _SC_V6_ILP32_OFFBIG,
+#define _SC_V6_ILP32_OFFBIG		_SC_V6_ILP32_OFFBIG
+    _SC_V6_LP64_OFF64,
+#define _SC_V6_LP64_OFF64		_SC_V6_LP64_OFF64
+    _SC_V6_LPBIG_OFFBIG
+#define _SC_V6_LPBIG_OFFBIG		_SC_V6_LPBIG_OFFBIG
   };
 
 #if (defined __USE_POSIX2 || defined __USE_UNIX98 \
@@ -503,5 +512,40 @@ enum
     _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
 # define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
 #endif
+#ifdef __USE_XOPEN2K
+    ,
+    _CS_POSIX_V6_ILP32_OFF32_CFLAGS,
+#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS _CS_POSIX_V6_ILP32_OFF32_CFLAGS
+    _CS_POSIX_V6_ILP32_OFF32_LDFLAGS,
+#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS _CS_POSIX_V6_ILP32_OFF32_LDFLAGS
+    _CS_POSIX_V6_ILP32_OFF32_LIBS,
+#define _CS_POSIX_V6_ILP32_OFF32_LIBS _CS_POSIX_V6_ILP32_OFF32_LIBS
+    _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS,
+#define _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS
+    _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS,
+#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
+    _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS,
+#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
+    _CS_POSIX_V6_ILP32_OFFBIG_LIBS,
+#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS _CS_POSIX_V6_ILP32_OFFBIG_LIBS
+    _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS,
+#define _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS
+    _CS_POSIX_V6_LP64_OFF64_CFLAGS,
+#define _CS_POSIX_V6_LP64_OFF64_CFLAGS _CS_POSIX_V6_LP64_OFF64_CFLAGS
+    _CS_POSIX_V6_LP64_OFF64_LDFLAGS,
+#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS _CS_POSIX_V6_LP64_OFF64_LDFLAGS
+    _CS_POSIX_V6_LP64_OFF64_LIBS,
+#define _CS_POSIX_V6_LP64_OFF64_LIBS _CS_POSIX_V6_LP64_OFF64_LIBS
+    _CS_POSIX_V6_LP64_OFF64_LINTFLAGS,
+#define _CS_POSIX_V6_LP64_OFF64_LINTFLAGS _CS_POSIX_V6_LP64_OFF64_LINTFLAGS
+    _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS,
+#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
+    _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS,
+#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
+    _CS_POSIX_V6_LPBIG_OFFBIG_LIBS,
+#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS _CS_POSIX_V6_LPBIG_OFFBIG_LIBS
+    _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
+#define _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
+#endif
   };
 #endif
diff --git a/bits/environments.h b/bits/environments.h
index f3af20655a..a16cf2284d 100644
--- a/bits/environments.h
+++ b/bits/environments.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2001 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
@@ -27,32 +27,46 @@
    `-1' means it is never supported.  Undefined means it cannot be
    statically decided.
 
-   _XBS5_ILP32_OFF32	32bit int, long, pointers, and off_t type
-   _XBS5_ILP32_OFFBIG	32bit int, long, and pointers and larger off_t type
+   _POSIX_V6_ILP32_OFF32   32bit int, long, pointers, and off_t type
+   _POSIX_V6_ILP32_OFFBIG  32bit int, long, and pointers and larger off_t type
 
-   _XBS5_LP64_OFF32	64bit long and pointers and 32bit off_t type
-   _XBS5_LPBIG_OFFBIG	64bit long and pointers and large off_t type
+   _POSIX_V6_LP64_OFF32	   64bit long and pointers and 32bit off_t type
+   _POSIX_V6_LPBIG_OFFBIG  64bit long and pointers and large off_t type
+
+   The macros _XBS5_ILP32_OFF32, _XBS5_ILP32_OFFBIG, _XBS5_LP64_OFF32, and
+   _XBS5_LPBIG_OFFBIG were used in previous versions of the Unix standard
+   and are available only for compatibility.
 */
 
 #if __WORDSIZE == 64
 
 /* We can never provide environments with 32-bit wide pointers.  */
+# define _POSIX_V6_ILP32_OFF32	-1
+# define _POSIX_V6_ILP32_OFFBIG	-1
 # define _XBS5_ILP32_OFF32	-1
 # define _XBS5_ILP32_OFFBIG	-1
 
 /* By default we have 64-bit wide `long int', pointers and `off_t'.  */
+# define _POSIX_V6_LP64_OFF32	1
+# define _POSIX_V6_LPBIG_OFFBIG	1
 # define _XBS5_LP64_OFF32	1
 # define _XBS5_LPBIG_OFFBIG	1
 
 #else /* __WORDSIZE == 32 */
 
-/* By default we have 32-bit wide `int', `long int', pointers and `off_t'.  */
+/* By default we have 32-bit wide `int', `long int', pointers and `off_t'
+   and all platforms support LFS.  */
+# define _POSIX_V6_ILP32_OFF32	1
+# define _POSIX_V6_ILP32_OFFBIG	1
 # define _XBS5_ILP32_OFF32	1
+# define _XBS5_ILP32_OFFBIG	1
 
 /* We optionally provide an environment with the above size but an 64-bit
    side `off_t'.  Therefore we don't define _XBS5_ILP32_OFFBIG.  */
 
 /* We can never provide environments with 64-bit wide pointers.  */
+# define _POSIX_V6_LP64_OFF64	-1
+# define _POSIX_V6_LPBIG_OFFBIG	-1
 # define _XBS5_LP64_OFF64	-1
 # define _XBS5_LPBIG_OFFBIG	-1