Automake versions (was: Patch to make libgcj work with autoreconf again)

[Benjamin Kosnik]

> Could we modify the CVS commit filters to *require* the right
> versions?  If it detects a commit with the wrong version (at least,
> assuming the old rev had the right version), it can just reject it.

Dunno if this is possible, but this would be great. It would be nice if
there was a way to set different versions per branch. For instance, the
gcc-4_0-branch, gcc-3_4-branch, and mainline might have different
autotools requirements.

-benjamin