[PATCH, GCC] assorted autoconf updates

[Daniel Jacobowitz]

On Sat, Jun 07, 2008 at 06:20:04PM +0200, Ralf Wildenhues wrote:
> dnl The override bits of this file should be a no-op for the newest
> dnl Autoconf version, which means they can be removed once the complete
> dnl tree has moved to a new enough Autoconf version.
> dnl
> dnl The _GCC_AUTOCONF_VERSION_TEST ensures that exactly the desired
> dnl Autoconf version is used.  It should be kept for consistency.

I think that's better.

-- 
Daniel Jacobowitz
CodeSourcery