[Bug bootstrap/81298] [7 Regression] Bootstrapping trunk fails during stage1-bubble on x86_64-pc-linux-gnu with --enable-maintainer-mode

["tkoenig at netcologne dot de" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81298

--- Comment #8 from tkoenig at netcologne dot de <tkoenig at netcologne dot de> ---
Am 03.07.2017 um 23:40 schrieb ebotcazou at gcc dot gnu.org:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81298
> 
> Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
> 
>             What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                   CC|                            |ebotcazou at gcc dot gnu.org
> 
> --- Comment #7 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
>> Why do we depend on exactly this version? *sigh*
> 
> I think we don't want a minor change to configure.ac to result in a upheaval in
> the generated configure script.  We have dozens of configure scripts and dozens
> of developers, this would be a mess if everyone was free to use his pet
> version.

I understand that desire, but autoconf 2.69 has been around since 2012.
It is hardly a fast-moving target.

I think it would be better to make a change towards 2.69.  The fewer
versions of extra software we have to use to compile gcc, the better.