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

[Seth G]

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

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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
>
> -- 
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> My software is free, but my time generally not.
>
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