Re: RHEL 8.0 build

On 11/24/18 3:49 PM, Tom Lane wrote:
> Jeremy Harris <jgh@wizmail.org> writes:
>>   Trying to set up a buildfarm animal on a RHEL 8.0 (beta) system,
>> the build fails early:
>> ...
>> It appears to be a "configure" script looking for python; and there is
>> no such.  You can have python3 or python2 - but neither package install
>> provides a symlink of just "python".
> Yeah, some distros are starting to act that way, and I suspect it's
> causing pain for a lot of people.
>
> Currently we are agnostic about which python version to use, so if you
> don't have anything simply named "python", you have to tell configure
> what to use by setting the PYTHON environment variable.
>
> In a buildfarm configuration file this would look something like
>
>          # env settings to pass to configure. These settings will only be seen by
>          # configure.
>          config_env => {
> +           PYTHON => "/usr/local/bin/python3",



or just


     PYTHON => 'python3',


It's installed by default on RH8, although you will also need 
python3-devel installed.


>
> There's been some preliminary discussion about starting to default to
> python3, but given this project's inherent conservatism, I don't expect
> that to happen for some years yet.  In any case, whenever we do pull
> that trigger we'd surely do so only in HEAD not released branches, so
> buildfarm owners will need to deal with the case for years more.
>
>             


Right.


cheers


andrew



-- 
Andrew Dunstan                https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services