diff -r 7daf6f84ead6 -r 7e19c1de65cd config/libc/uClibc.in
--- a/config/libc/uClibc.in	Wed Apr 07 18:35:23 2010 +0200
+++ b/config/libc/uClibc.in	Sat Jul 03 01:15:28 2010 +0200
@@ -45,15 +45,22 @@
     prompt "0.9.28.3 (OBSOLETE)"
     depends on OBSOLETE
 
+# As of today (20100702) we can be pretty sure that every
+# snapshots made since a month ago are post -0.9.30.
+
 config LIBC_V_snapshot
     bool
     prompt "latest snapshot (EXPERIMENTAL)"
     depends on EXPERIMENTAL
+    select LIBC_SUPPORT_NPTL
+    select LIBC_UCLIBC_0_9_30_or_later
 
 config LIBC_V_specific_date
     bool
     prompt "<specific date> (EXPERIMENTAL)"
     depends on EXPERIMENTAL
+    select LIBC_SUPPORT_NPTL
+    select LIBC_UCLIBC_0_9_30_or_later
 
 endchoice