Re: RHEL8+9 libpcre2 dependencies in postgis packages

Hi,

On Wed, 2025-11-12 at 07:30 +0000, Lorenz, Christopher wrote:
> on last update we got some errors updating postgis in RHEL8:
>
> Problem 1: cannot install the best update candidate for package
> postgis31_13-3.1.12-10PGDG.rhel8.x86_64
> - nothing provides libpcre2-8-0 needed by postgis31_13-3.1.12-
> 13PGDG.rhel8.x86_64 from PostgreSQL_PostgreSQL13_-_RHEL_8_x86_64
> Problem 2: cannot install the best update candidate for package
> postgis31_14-3.1.12-10PGDG.rhel8.x86_64
> - nothing provides libpcre2-8-0 needed by postgis31_14-3.1.12-
> 13PGDG.rhel8.x86_64 from PostgreSQL_PostgreSQL14_-_RHEL_8_x86_64
>

Ouch :(

> I've found that the dependencies changed from pcre to libpcre2-8-0:
>
> $ rpm -qp /tmp/postgis31_13-3.1.12-13PGDG.rhel8.x86_64.rpm --requires
> | grep pcre
> libpcre.so.1()(64bit)
> libpcre2-8-0
> $ rpm -qp /tmp/postgis31_13-3.1.12-10PGDG.rhel8.x86_64.rpm --requires
> | grep pcre
> libpcre.so.1()(64bit)
> pcre
>
> The libraries libpcre2 are provided by pcre2 on RHEL8+9:
>
> $ rpm -qf /usr/lib64/libpcre2-8.so.0
> pcre2-10.32-3.el8_6.x86_64
> $ rpm -qf /usr/lib64/libpcre.so.1
> pcre-8.42-6.el8.x86_64
>
> I've found the commit for postgis 3.1:
> https://git.postgresql.org/gitweb/?p=pgrpms.git;a=commitdiff;h=a2e39ff2a23b5c925ff0fb08340c6a7f85313c29
> As I can see you use pcre2 only from RHEL10 upwards, but RHEL8 and
> RHEL9 also provides the library with package pcre2 .

Thanks for the report!

That is right. Pushed fixes to git repository and also building the RPMs
now. I'll push them along with tomorrow's minor release updates.

Regards,
--
Devrim Gündüz
Open Source Solution Architect, PostgreSQL Major Contributor
BlueSky: @devrim.gunduz.org , @gunduz.org