diff -r 471ded821b6c -r 90fefc8790fb config/libc_glibc.in
--- a/config/libc_glibc.in	Mon May 28 21:32:43 2007 +0000
+++ b/config/libc_glibc.in	Sat Aug 11 10:57:18 2007 +0000
@@ -106,6 +106,21 @@
     bool
     prompt "2.5"
 
+config LIBC_V_2_5_1
+    bool
+    prompt "2.5.1 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config LIBC_V_2_6
+    bool
+    prompt "2.6 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config LIBC_V_2_6_1
+    bool
+    prompt "2.6.1 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
 # CT_INSERT_VERSION_ABOVE
 # Don't remove above line!
 endchoice
@@ -133,6 +148,9 @@
     default "2.3.6" if LIBC_V_2_3_6
     default "2.4" if LIBC_V_2_4
     default "2.5" if LIBC_V_2_5
+    default "2.5.1" if LIBC_V_2_5_1
+    default "2.6" if LIBC_V_2_6
+    default "2.6.1" if LIBC_V_2_6_1
 # CT_INSERT_VERSION_STRING_ABOVE
 # Don't remove above line!