[postgis-devel] PostGIS 2.5 what should be minimum requirements?

[Mateusz Loskot]

On 29 September 2017 at 21:49, Greg Troxel <gdt at lexort.com> wrote:
> Sebastiaan Couwenberg <sebastic at xs4all.nl> writes:
>
>> On 09/29/2017 06:28 PM, Darafei "Komяpa" Praliaskouski wrote:
>>> Please don't hesitate to raise minimum versions to latest released at the
>>> time of release.
>>> If someone needs an older version, they are free to comment out the checks
>>> and build at their own risk.
>>> Otherwise we're going to have distros with older versions of libraries,
>>> because "it's not required to upgrade so let's not".
>>
>> Or distributions are forced to stick to older versions of the libraries
>> because the newer versions cannot be integrated properly with all their
>> reverse dependencies. As is currently the case for GEOS >= 3.6.
>
> Agreed.  I just *this week* updated pkgsrc to geos 3.6 (3.6.2 actually).
> That's not because it was hard; I've had the update staged since January
> or so.  It's because osm2pgsql does not yet have a release that will
> function with geos being at 3.6.  I finally gave up waiting.

https://github.com/openstreetmap/osm2pgsql/issues/634

"There are no plans to officially support geos >= 3.6.0.
We plan to get completely rid of geos instead."

Whatever GEOS is required by PostGIS/packaged for mainstream distros,
it's no longer issue for osm2pgsql.

Best regards,
-- 
Mateusz Loskot, http://mateusz.loskot.net