Why autoconf 2.13?

[DJ Delorie]

Tom Tromey <tromey@redhat.com> writes:
> Doing it will let us use a newer automake, which in turn will let us
> remove a bunch of hacks from various Makefile.am's.  Also it will mean
> that libgcj won't need to continue using its own hacked automake.  The
> big problem is just that nobody with the expertise has the time (or
> maybe interest :-).

Have they fixed the problem with old config.caches in 2.5 yet?