Re: [PostgreSQL YUM Repository - Bug #3710] (Resolved) RHEL7 postgresql11 postgis2.5 fails with /usr/pgsql-11/lib/postgis-2.5.so: undefined symbol: geod_polygon_init

Re: Justin Pryzby 2019-01-07 <20190107215410(dot)GA22493(at)telsasoft(dot)com>
> This appears to be more or less same as issue #3710. See earlier communiction,
> copied below.
>
> Just reinstalling postgis on a centos7 test server which previously ran
> postgres 11 beta.
>
> Installing : geos37-3.7.0-1.rhel7.1.x86_64
> Installing : postgis24_11-2.4.6-3.rhel7.x86_64
> Installing : postgis24_11-client-2.4.6-3.rhel7.x86_64
>
> sentinel=# \i /usr/pgsql-11/share/contrib/postgis-2.4/postgis.sql
> BEGIN
> SET
> DO
> CREATE FUNCTION
> psql:/usr/pgsql-11/share/contrib/postgis-2.4/postgis.sql:95: ERROR: could not load library "/usr/pgsql-11/lib/postgis-2.4.so": /usr/pgsql-11/lib/postgis-2.4.so: undefined symbol: GEOSFrechetDistanceDensify

This has just popped up again on IRC, with postgis24_96-2.4.6-3.rhel7.x86_64

Why does postgis-2.4.so even "see" the geos37 package?

> [pryzbyj(at)template0 ~]$ ldd /usr/pgsql-11/lib/postgis-2.4.so
> libgeos_c.so.1 => /usr/geos36/lib64/libgeos_c.so.1 (0x00007f3e50e6e000)
> libgeos-3.6.2.so => /usr/geos36/lib64/libgeos-3.6.2.so (0x00007f3e4f12e000)
>
> Fixed with: rpm -e geos36-3.6.2-3.1.rhel7.x86_64
> Should declare the RPM equivalent of debian's "Breaks" ??

Christoph