On Apr 1, 2008, at 11:39 PM, Paragon Corporation wrote:
ERROR:  could not load library "/usr/lib/pgsql/liblwgeom.so":
/usr/lib/pgsql/liblwgeom.so: undefined symbol: GEOSTopologyPreserveSimplify
CONTEXT:  SQL statement "SELECT postgis_lib_version()"
PL/pgSQL function "postgis_full_version" line 11 at SQL statement

On Apr 2, 2008, at 12:28 AM, Paragon Corporation wrote:

./configure --with-pgsql=/usr/bin/pg_config  --with-geos=
/usr/local/bin/geos-config



Run 'otool -L' on liblwgeom to see if it is linked to geos:

        otool -L /usr/lib/pgsql/liblwgeom.so | grep libgeos

You should see a line with (Or something similar):

/usr/local/lib/libgeos_c.1.so (compatibility version 6.0.0, current version 6.1.0)

If you don't see it needs to be linked to it.

P.S. I am on Mac OS X, so I am not sure if RedHat has otool, but I think it does...


Yours,

Jeshua Lacock
Founder/Programmer
3DTOPO Incorporated
<http://3DTOPO.com>
Phone: 877.240.1364

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