Re: bison: new module

[Akim Demaille]

Hi Bruno,

> Le 1 mai 2020 à 18:21, Bruno Haible <address@hidden> a écrit :
> 
> The 'parse-datetime' module has a reasonable configure check for Bison,
> specifying the minimum version of Bison that is required for the particular
> .y file.
> 
> This patch moves the support to a module 'bison', that can be used in other
> gnulib modules or GNU packages as well. It is defined based on
> <https://lists.gnu.org/archive/html/bug-autoconf/2018-12/msg00001.html>.
> 
> The macro gl_PROG_BISON could be renamed to AC_PROG_BISON when incorporated
> in GNU Autoconf.

I would personally just run bison on a file with %require "VERSION".
It was introduced in 2.2 (2006-05-19), which, I think, is old enough.
If you agree with that approach, I can provide a patch.

Cheers!