Pavel Roskin <[EMAIL PROTECTED]> writes:
> > Don't go that way! AC_PREREQ.
>
> The problem is that sometimes you really want to support the latest stable
> version of Autoconf as well as the latest development version.
>
> Automake is a perfect example.
I shall say again `ifdef'. And if you really want something like
this, then go for AC_PREREQ(2.13), and m4_if(AC_ACVERION, 2.13)
> But for this to work, the oldest supported version of Autoconf must
> support this syntax. It is quite possible that Autoconf 2.50 will the
> oldest supported version for some projects in a couple of years.
>
> So it's better to be prepared.
This is a very bad way. I don't want to go there, people will ask for
more and more backward compatibility, and the hell with it. AU_DEFUN
and nothing more.
