Horton

Re: configure fails for perl check on CentOS8

Andrew Dunstan <andrew.dunstan@2ndquadrant.com>

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From: Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Kyotaro Horiguchi <horikyota.ntt@gmail.com>, PostgreSQL Developers <pgsql-hackers@lists.postgresql.org>
Date: 2019-10-16T14:41:19Z
Lists: pgsql-hackers 
On Wed, Oct 16, 2019 at 8:32 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
> > On Tue, Oct 15, 2019 at 6:45 AM Kyotaro Horiguchi
> > <horikyota.ntt@gmail.com> wrote:
> >> The problematic command line boils down to:
> >> $ ./configure --with-perl CFLAGS=-O0
> >> It is bash-aliased and survived without being found for a long time on
> >> my Cent7 environment, but CentOS8 doesn't allow that.
>
> I don't quite understand why that wouldn't work.
>
> >> By the way, is there any official way to specify options like -O0
> >> while configure time?
>
> > CFLAGS=-O0 configure  --with-perl ...
>
> The way Horiguchi-san did it has been supported by autoconf for
> a good long time now, so I don't think command line syntax is
> the issue.

Ah.

> Could that CFLAGS setting be interfering with some
> feature test in our configure script?
>
>


It looks like you need CFLAGS='-O0 -fPIC' on CentOS 8 when building with perl.

cheers

andrew



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

Commits

  1. Use CFLAGS_SL while probing linkability of libperl.

  2. Select CFLAGS_SL at configure time, not in platform-specific Makefiles.