Re: [RFC] building postgres with meson

čt 14. 10. 2021 v 15:32 odesílatel Dagfinn Ilmari Mannsåker
<ilmari(at)ilmari(dot)org> napsal:
>
> Josef Šimánek <josef(dot)simanek(at)gmail(dot)com> writes:
>
> > čt 14. 10. 2021 v 15:14 odesílatel Dagfinn Ilmari Mannsåker
> > <ilmari(at)ilmari(dot)org> napsal:
> >>
> >> Josef Šimánek <josef(dot)simanek(at)gmail(dot)com> writes:
> >>
> >> > The only problem I do have currently is auto-detection of perl. I'm
> >> > getting error related to missing "Opcode.pm". PERL is autodetected and
> >> > enabled (https://pastebin.com/xfRRrDcU)
> >>
> >> Your Perl (not PERL) installation seems to be incomplete. Opcode.pm is a
> >> core module, and should be in /usr/lib64/perl5, judging by the paths in
> >> the error message.
> >>
> >> Which OS is this? Some Linux distributions have separate packages for
> >> the interpreter itself and the included modules, and the packages can be
> >> named confusingly. E.g. on older Redhat/Fedora versions you have to
> >> install the 'perl-core' package to get all the modules, 'perl' is just
> >> the interpreter and the bare minimum set of strictily necessary modules.
> >>
> >> They've fixed this in recent versions (Fedora 34 and Redhat 8, IIRC), so
> >> that 'perl' gives you the hole bundle, and 'perl-interpeter' is the
> >> minimal one.
> >
> > I'm using Fedora 34 and I still see perl-Opcode.x86_64 as a separate
> > package.`
>
> Yes, it's a separate package, but the 'perl' package depends on all the
> core module packages, so installing that should fix things. You appear
> to only have 'perl-interpreter' installed.

You're right. Installing "perl" or "perl-Opcode" manually fixes this
problem. Currently I only have "perl-interpreter" installed.

> > Anyway it behaves differently with autoconf tools and the meson build
> > system. Is perl disabled by default in the current build system?
>
> configure doesn't auto-detect any optional features, they have to be
> explicitly enabled using --with-foo switches.
>
> - ilmari