[postgis-devel] Proposal: drop support for libproj < 6.1 in PostGIS 3.3.0

[Darafei "Komяpa" Praliaskouski]

to drop Proj < 6.1: +1 Darafei.

On Sat, Feb 12, 2022 at 2:00 AM Sandro Santilli <strk at kbt.io> wrote:

> It's weird that it is me proposing this, but Debian stable (11)
> ships libproj 7.1 and so I've no problem accepting that we
> drop support for libproj < 7 for PostGIS 3.3.0
>
> PROs:
>   - we could query the proj db for spatial_ref_sys entries
>     ( https://trac.osgeo.org/postgis/ticket/5094 )
>     and stop shipping spatial_ref_sys.sql all togheter
>     (as suggested by Raul)
>   - we could drop a few #idefs
>
> CONs:
>   - people running in production older proj won't be able
>     to upgrade ONLY postgis w/out upgrading libproj
>     (meh)
>
> Thanks Regina we now have libproj support matrix written
> here: https://trac.osgeo.org/postgis/wiki/UsersWikiPostgreSQLPostGIS
> The table puts proj 6.0-6.3 togheter, not sure why, our code seems
> to want 6.1+ for some specific things.
>
> --strk;
>
>   Libre GIS consultant/developer
>   https://strk.kbt.io/services.html
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