anticipating autoconf changes

[Johan Danielsson]

Dave Morrison <dave at bnl.gov> writes:

> Here's the bottom line: you can't build arla if you use the version
> of autoconf that's in CVS and being prepped for release.

Speaking from the grandstand, I'd say it's probably ok to switch to
autoconf 2.49 completely. Supporting more than one version of autoconf
seems like a lot of unnecessary work, especially since the autoconf
people aren't too concerned with backwards compatibility (which is
probably a good thing).

/Johan