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

[Marco Boeringa]

Nice to see that support matrix on the Wiki pages.

Just one minor remark:

- The

"* Means it currently does or doesn't but may change at release time"

is slightly confusing. Either something works or doesn't. I guess this 
sentence means to say:

"'*Yes'/'*No' means it currently is compatible or not but may change at 
release time"


Op 12-2-2022 om 00:00 schreef Sandro Santilli:
> 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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