[postgis-users] Dependencies for postgis25_12 not found (geos38, proj70)

[Steve Pritchard]

I tried to install Postgres 12.2 with PostGIS 2.5 on Centos 7.7 today, but
yum was unable to find the necessary dependencies for postgis25_12:

Error: Package: postgis25_12-client-2.5.4-1.rhel7.x86_64 (pgdg12)
           Requires: libproj.so.19()(64bit)
Error: Package: postgis25_12-2.5.4-1.rhel7.x86_64 (pgdg12)
           Requires: libproj.so.19()(64bit)
Error: Package: postgis25_12-2.5.4-1.rhel7.x86_64 (pgdg12)
           Requires: proj70 >= 7.0.0
Error: Package: postgis25_12-2.5.4-1.rhel7.x86_64 (pgdg12)
           Requires: geos38 >= 3.8.1
           Installed: geos38-3.8.0-1.rhel7.x86_64 (@pgdg10)
               geos38 = 3.8.0-1.rhel7

The required packages geos38 (3.8.1) and  proj70 (7.0.0) don't seem to be
in either:

   - PostgreSQL Yum Repository
   - EPEL

Having hunted around, I finally found them in
https://ftp.postgresql.org/pub/repos/yum/testing/common/redhat/rhel-7-x86_64/,
however as I understand it, the packages in the "testing" repo should not
be used in production (c.f. comment in .repo file).

Why do the postgis25_12 production packages have dependencies on packages
that only seem to be available from a 'testing' repository?

Or should  geos38 (3.8.1) and  proj70 (7.0.0) be available from the
production repositories?

Steve Pritchard
-- 
Steve Pritchard
Database Developer

British Trust for Ornithology, The Nunnery, Thetford, Norfolk IP24 2PU, UK
Tel: +44 (0)1842 750050, fax: +44 (0)1842 750030
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