Consistent autoconf version

[Chris Hegarty]

On 28/08/2013 16:47, Erik Joelsson wrote:
>
>
> On 2013-08-28 17:16, Dalibor Topic wrote:
>> On 8/28/13 4:59 PM, Mike Duigou wrote:
>>> On Aug 28 2013, at 07:42 , Dalibor Topic wrote:
>>>
>>>> current AC_PREREQ is 2.61, fwiw, which is from 2006. Latest Autoconf
>>>> is 2.69 from 2012, preceded by 2.68 from 2010.
>>>>
>>>> It may be useful to limit the variety of autoconfs in use by setting
>>>> AC_PREREQ to, say, 2.68.
>>> Eeek! 2.61! I believe our current minimum is 2.67 (though 2.68 seems
>>> common and reasonable)
>> Yeah -
>> http://hg.openjdk.java.net/jdk8/jdk8/file/056398db9dcb/common/autoconf/configure.ac
>>
>> says 33 AC_PREREQ([2.61])
>> so bumping it to 2.68 (or at least 2.67) may be reasonable.
>>
>> cheers,
>> dalibor topic
>>
> I just checked around on the various systems I'm usually building on.
> 2.67 is default on my very old Ubuntu. The new Ubuntu I'm switching to
> has 2.69. On cygwin you get 2.69, on Solaris I used OpenCSW which also
> provided 2.69. On mac I have only managed to get autoconf through
> building a source bundle anyway.
>
> In summary, 2.69 seems readily available on modern OSes and isn't hard
> to install if it isn't. I think we should change the macro AC_PREREQ to
> 2.69.

Sounds good to me Erik.

This in itself will eliminate some noise.

-Chris.

>
> /Erik