>> 	since shlib with older major/minor version will stay in /lib,
>I don't think so.
>
>Unless dynamically linked third party software belongs to /bin or
>/sbin, older shlibs in /lib can be removed safely. Note that usually
>all binaries in /bin and /sbin must be linked against latest shlibs,
>since these binaries must belong to base distribution.

	see the original announcement:

>   +   Shared libraries used by programs in /bin and /sbin have been
>	moved from /usr/lib to /lib.  Compatibility symbolic links are
>	provided.

	looks to me that libc will be in /lib/libc.so, and /usr/lib/libc.so
	will become a symlink to /lib/libc.so.

itojun