Wrong SFCGAL version used for compiling PostGIS 3.6.0 on Ubuntu?
Regina Obe
lr at pcorp.us
Wed Sep 3 12:58:17 PDT 2025
> Hi,
>
> I noticed 3.6.0 became available on Ubuntu 24.04 where I am currently
> running my PostgreSQL / PostGIS install.
>
> However, after adding the 'postgis_sfcgal' extension and the PostGIS
> extension upgrades using "SELECT postgis_extensions_upgrade();", attempting
> to use the new 'CG_Simplify' function that requires SFCGAL in as SQL
> statement, leads to the following error:
>
> "SQL Error [XX000]: ERROR: The SFCGAL version this PostGIS binary was
> compiled against (10501) doesn't support 'sfcgal_geometry_simplify'
> function (requires SFCGAL 2.1.0+)"
>
> Is this is a possible error during the packaging for the latest release for
> Ubuntu?
>
> Marco
I don't think so. Both GEOS and SFCGAL are considered system libraries by Ubuntu/Debian. So is GDAL.
As such they are usually at the version shipped with your OS.
You don't get a new version of those unless you are running with the latest Ubuntu version.
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