Automake version for 4.11.

[Chris Johns]

On 24/02/2016 02:26, Joel Sherrill wrote:
>
> On Tue, Feb 23, 2016 at 9:25 AM, Joel Sherrill <joel.sherrill at gmail.com
> <mailto:joel.sherrill at gmail.com>> wrote:
>
>
>
>     On Mon, Feb 22, 2016 at 11:37 PM, Chris Johns <chrisj at rtems.org
>     <mailto:chrisj at rtems.org>> wrote:
>
>         On 23/02/2016 15:13, Chris Johns wrote:
>
>
>             Should we clean this warning up by updating automake to 1.15
>             or leave it
>             for 4.11 and come back to it for 4.11.1?
>
>             I think master should be updated.
>
>
>         It seems 1.15 has the problem as well so there is no point
>         updating. The sooner this stuff goes away the better.
>
>
>     Is there a patch floating out there which fixes this in automake?
>

This 
https://lists.gnu.org/archive/html/automake-patches/2015-07/msg00000.html is 
for 1.15 and we need it for 1.12.something.

>     http://serverfault.com/questions/731539/automake-error-unescaped-left-brace-in-regex-is-deprecated
>
>     This is Perl getting pickier. If it is an error, I don't see that we
>     have much choice but to
>     patch.

This is only an issue for development. A 4.11.0 release is bootstrapped 
so do we need to be concerned?

Chris