[postgis-devel] Can we put back GEOS 3.5 support in 3.0?

[Paul Ramsey]

The PGDG packagers are pretty good now about pushing forward to more recent GEOS. I’m not sure who would package a super-fresh PostGIS for LTS and then not bother to package an equivalent GEOS… ?
Might be trying to fix a condition that rarely occurs.
P.

> On Jan 23, 2019, at 6:35 AM, Raúl Marín Rodríguez <rmrodriguez at carto.com> wrote:
> 
> Hi,
> 
>> I had taken it out with the
>> assumption we'd skip PostgreSQL 12 cycle and do a 2 year run.
> 
> I've always thought that plan was to match 3.0 with 12, if possible.
> 
> I have mixed feelings about this. GEOS 3.5 is still receiving commits (last
> one in Oct 20, 2018) but, on the other hand, its last release (3.5.1) was in
> Oct 2016 which will be 3 years old by the time we plan to release 3.0.
> Considering that I expect Postgis 3.0 to be supported for at least ~4 years,
> that will mean that we'll need to support an 8 year-old GEOS with its bugs
> and differences from 3.7.
> 
> I'm personally happy to kill GEOS 3.5 support but I can accept that it will be
> a pain in the ass for anyone using a LTS distribution. Nevertheless, those
> distributions are already stuck with old GEOS and Postgis. For example Xenial
> (Ubuntu 16.04) has GEOS 3.5 and Postgis 2.2, and Bionic (18.04) has GEOS 3.6
> and Postgis 2.4.
> This means that if you want Postgis 3 and you are using a LTS distro, you
> already need to either use some unofficial repo or package postgis yourself.
> I don't think that asking to also package a newer GEOS is too much to ask.
> 
> I share with Komяpa the feeling that we should push people to also update GEOS
> as part of their Postgis update, but personally I might more comfortable telling
> people that I'm not going to workaround a bug that isn't present in newer
> (major) release, alas that isn't trully supporting 3.5.
> 
> So basically I don't have a strong opinion either way, but I'm more inclined
> towards dropping it.
> 
> -- 
> Raúl Marín Rodríguez
> carto.com
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