[MapServer-dev] Dropping support for PROJ <6 and GDAL <3

[Steve Lime]

+1 from me as well - simpler code is a great outcome and should be a goal
these days. I'd also support SWIG 4 although I wonder how widespread it is
- especially on enterprise Linux distros.

On Sun, Jun 4, 2023 at 1:35 PM Seth G <sethg at geographika.co.uk> wrote:

> Hi Even,
>
> +1 from me - as you write removing those multiple PROJ code paths will
> simplify the code base greatly in some places.
> Does GEOS have similar issues? There don't seem to be any version checks
> in MapServer apart from some comments in the Python MapScript bindings
> "Requires GEOS support (>=3.0)".
>
> I'd also like to propose we only support SWIG 4 and higher, and begin
> removing Python2 specific code (I can look at these two items).
>
> Seth
>
> --
> web:https://geographika.net & https://mapserverstudio.net
> twitter: @geographika
>
> On Sat, Jun 3, 2023, at 5:15 PM, Even Rouault wrote:
> > Hi,
> >
> > I've prepared 2 pull requests
> > https://github.com/MapServer/MapServer/pull/6900 and
> > https://github.com/MapServer/MapServer/pull/6901 to respectively drop
> > support for PROJ < 6 and GDAL < 3 for MapServer 8.2
> >
> > Any opposition to that?
> >
> > Those older versions haven't been supported anymore and for a long time
> > by their respective projects, the proposed minimal versions have been
> > released 4 years ago and our CI doesn't test the dropped versions
> > anymore, so I believe it is safe to proceed.
> >
> > The PROJ < 6 drop removes quite a bunch of code paths so it is a nice
> > cleanup. The GDAL < 3 has modest impacts, but anyway having PROJ >= 6
> > and GDAL < 3 doesn't make sense as this is a rather unsupported
> combination.
> >
> > Even
> >
> > --
> > http://www.spatialys.com
> > My software is free, but my time generally not.
> >
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