diff -r bd172b161ff8 -r 6569f6a9060c config/libc/glibc.in
--- a/config/libc/glibc.in	Thu Nov 22 23:56:58 2012 +0100
+++ b/config/libc/glibc.in	Wed Dec 26 11:53:05 2012 +0100
@@ -55,33 +55,6 @@
     bool
     prompt "2.8"
 
-config LIBC_GLIBC_V_2_7
-    bool
-    prompt "2.7 (OBSOLETE)"
-    depends on OBSOLETE
-
-config LIBC_GLIBC_V_2_6_1
-    bool
-    prompt "2.6.1 (OBSOLETE)"
-    depends on OBSOLETE
-
-config LIBC_GLIBC_V_2_6
-    bool
-    prompt "2.6 (OBSOLETE)"
-    depends on OBSOLETE
-
-config LIBC_GLIBC_V_2_5_1
-    bool
-    prompt "2.5.1 (OBSOLETE)"
-    depends on OBSOLETE
-    select LIBC_SUPPORT_LINUXTHREADS
-
-config LIBC_GLIBC_V_2_5
-    bool
-    prompt "2.5 (OBSOLETE)"
-    depends on OBSOLETE
-    select LIBC_SUPPORT_LINUXTHREADS
-
 endchoice
 
 config LIBC_VERSION
@@ -98,8 +71,3 @@
     default "2.10.1" if LIBC_GLIBC_V_2_10_1
     default "2.9" if LIBC_GLIBC_V_2_9
     default "2.8" if LIBC_GLIBC_V_2_8
-    default "2.7" if LIBC_GLIBC_V_2_7
-    default "2.6.1" if LIBC_GLIBC_V_2_6_1
-    default "2.6" if LIBC_GLIBC_V_2_6
-    default "2.5.1" if LIBC_GLIBC_V_2_5_1
-    default "2.5" if LIBC_GLIBC_V_2_5