diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 5a3c031af..57534908d 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,9 @@
+2008-12-04  Corinna Vinschen  <corinna@vinschen.de>
+
+	* libc/include/sys/features.h (_POSIX_V6_ILP32_OFF32): Always define.
+	(_POSIX_V6_LP64_OFF64): Ditto.
+	(_POSIX_V6_LPBIG_OFFBIG): Ditto.
+
 2008-11-28  Jeff Johnston  <jjohnstn@redhat.com>
 
 	* libc/sys/linux/inode.c: Include <dirent.h> instead of
diff --git a/newlib/libc/include/sys/features.h b/newlib/libc/include/sys/features.h
index 23ea74802..31c8e5273 100644
--- a/newlib/libc/include/sys/features.h
+++ b/newlib/libc/include/sys/features.h
@@ -150,13 +150,13 @@ extern "C" {
 /* #define _POSIX2_PBS_TRACK			    -1 */
 #define _POSIX2_SW_DEV				200112L
 #define _POSIX2_UPE				200112L
-/* #define _POSIX_V6_ILP32_OFF32		    -1 */
+#define _POSIX_V6_ILP32_OFF32			    -1
 #define _XBS5_ILP32_OFF32			_POSIX_V6_ILP32_OFF32
 #define _POSIX_V6_ILP32_OFFBIG			     1
 #define _XBS5_ILP32_OFFBIG			_POSIX_V6_ILP32_OFFBIG
-/* #define _POSIX_V6_LP64_OFF64			    -1 */
+#define _POSIX_V6_LP64_OFF64			    -1
 #define _XBS5_LP64_OFF64			_POSIX_V6_LP64_OFF64
-/* #define _POSIX_V6_LPBIG_OFFBIG		    -1 */
+#define _POSIX_V6_LPBIG_OFFBIG			    -1
 #define _XBS5_LPBIG_OFFBIG			_POSIX_V6_LPBIG_OFFBIG
 #define _XOPEN_CRYPT				     1
 #define _XOPEN_ENH_I18N				     1