[postgis-devel] Bump GDAL and Proj versions for PostGIS 3

[Regina Obe]

Darafei tried to bribe me with virtual food.  While I'm willing to go -0 -strk we are on the same side again :)

I still feel like we should wait til PostGIS 3.1 especially since we've hit alpha.  Alpha means at least that much - no changes in requirements.

There is no reason to prevent people from compiling against older GDAL versions aide from just because we feel like it.  Whenever we've dropped GEOS or PostgreSQL versions our reason was because we wanted to get rid of some dead code.  We don't exercise GDAL enough to hit any issues with older GDAL -- maybe in 3.1.

Now Proj -- yes as Darafei mentioned we introduced some projections not support by Proj 4.8 - I'm not sure what those are exactly - maybe we can just put a note about that like we do when we allow a GEOS that will require disabling some functions.

-----Original Message-----
From: postgis-devel [mailto:postgis-devel-bounces at lists.osgeo.org] On Behalf Of Sandro Santilli
Sent: Tuesday, July 16, 2019 3:08 AM
To: PostGIS Development Discussion <postgis-devel at lists.osgeo.org>
Subject: Re: [postgis-devel] Bump GDAL and Proj versions for PostGIS 3

On Sat, Jul 13, 2019 at 09:54:45PM +0300, Darafei "Kom?pa" Praliaskouski wrote:
> PR ready: https://github.com/postgis/postgis/pull/445
> 
> At least Dronie has to upgrade at least Proj version for our CI to be 
> green. I've fixed Travis already.

Docker image used by Dronie is built from this Dockerfile:
https://git.osgeo.org/gitea/postgis/postgis-docker/src/branch/master/build-test/Dockerfile.trisquel2

It installs libproj-dev from default packages found in

    Trisquel GNU/Linux 7.0, Belenos

We could install newer proj manually OR upgrade to a newer version of that distribution. But - really - now we're in alpha stage, why do we want to _restrict_ what a user can do ? The only advantage would be for us, not for the users. Number of users is way bigger than number of developers... (and Dronie is just one user having to deal with this change)

--strk;
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