[Bug bootstrap/82856] --enable-maintainter-mode broken by incompatiblity of gcc's required automake and modern Perl

["rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82856

--- Comment #6 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 7 Nov 2017, tkoenig at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82856
> 
> Thomas Koenig <tkoenig at gcc dot gnu.org> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>              Status|UNCONFIRMED                 |NEW
>    Last reconfirmed|                            |2017-11-07
>             Summary|[8 Regression]              |--enable-maintainter-mode
>                    |--enable-maintainter-mode   |broken by incompatiblity of
>                    |broken by automake failure  |gcc's required automake and
>                    |                            |modern Perl
>      Ever confirmed|0                           |1
> 
> --- Comment #5 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
> It seems that automake 1.15.1 fixed the issue.
> 
> This is not really a regression, it is just relying on an old version
> finally started to break things.
> 
> So, it seems it is finally time to update all the auto* tools
> for gcc. I don't think using a hand-patched version like in
> comment #3 is really an option.

Updating autotools is somewhat tedius but I guess if there's a volunteer 
stage3 would be still appropriate.