autoconf AC_PREREQ ?

[Carlos O'Donell]

On Thu, Oct 2, 2008 at 4:46 PM, Yann E. MORIN
<yann.morin.1998@anciens.enib.fr> wrote:
>> > Do you want a patch that renames all configure.in to configure.ac?
>> This solution.
>
> OK. That will have to wait at least tomorrow evening (UTC+0200) before I can
> seat in front of my keyboard again...

Thanks.

> Not a starting point really, but "3.1 Writing configure.ac" says:
>
> --8<--
> Previous versions of Autoconf promoted the name configure.in, which is
> somewhat ambiguous (the tool needed to process this file is not described by
> its extension), and introduces a slight confusion with config.h.in and so on
> (for which `.in' means "to be processed by configure"). Using configure.ac
> is now preferred.
> --8<--

Perfect. This is exactly what I was looking for. We can use this as
the rationale for the change.

> Also, looking at the autoconf-2.13 doc from the tarball, configure.in is used
> consistently throughout autoconf.info. Looking at the autoconf-2.50 doc from
> the tarball, configure.ac is used consistently throughout doc/autoconf.info.
>
> Because we AC_PREREQ(2.53), we can safely use configure.ac.

Thanks again.

Cheers,
Carlos.