Re: pgsql: Adjust configure to insist on Perl version >= 5.8.3.

On 10/9/21 10:25 PM, Noah Misch wrote:
> On Sat, Oct 09, 2021 at 04:34:46PM -0400, Tom Lane wrote:
>> Hah ... your backpan link led me to realize the actual problem with
>> Test::More. It got folded into Test::Simple at some point, and
>> evidently cpanm isn't smart enough to handle a request for a back
>> version in such cases. But this works:
>>
>> $ cpanm install Test::Simple(at)0(dot)87_01
>> ...
>> $ perl -MTest::More -e 'print $Test::More::VERSION, "\n";'
>> 0.8701
>>
>> So we oughta recommend that instead. Now I'm wondering what
>> version of IPC::Run to recommend.
> You mentioned prairiedog uses IPC::Run 0.79. That's from 2005. (Perl 5.8.3
> is from 2004, and Test::More 0.87 is from 2009.) I'd just use 0.79 in the
> README recipe. IPC::Run is easy to upgrade, so if we find cause to rely on a
> newer version, I'd be fine updating that requirement.
>
>

Why don't we specify the minimum versions required of these somewhere in
the perl code? Perl is pretty good at this.

e.g.

use IPC::Run 0.79;

use Test::More 0.87;

It will choke if the supplied version is older.

We could even put lines like this in a small script that configure could
run.

cheers

andrew

--

Andrew Dunstan
EDB: https://www.enterprisedb.com