Re: 8.3 to 8.4 - Can't load dynamic shared library - Mailing list pgsql-admin

From Joshua D. Drake
Subject Re: 8.3 to 8.4 - Can't load dynamic shared library
Date
Msg-id 1279220280.30528.56.camel@jd-desktop.unknown.charter.com
Whole thread Raw
In response to 8.3 to 8.4 - Can't load dynamic shared library  (Craig James <craig_james@emolecules.com>)
List pgsql-admin
On Thu, 2010-07-15 at 11:49 -0700, Craig James wrote:
> I'm migrating from Postgres 8.3.10 to 8.4.4, and also from Fedora 9 to Ubuntu 10.04.
>
> On 8.3.10, I have a C extension that worked on 8.3, but now refuses to load on 8.4:
>
> CREATE OR REPLACE FUNCTION chmoogle_session_id() RETURNS integer
> AS '/usr/local/pgsql/lib/libchmoogle.so', 'chmoogle_session_id'
> LANGUAGE 'C' VOLATILE;
> ERROR:  could not load library "/usr/local/pgsql/lib/libchmoogle.so": /usr/local/pgsql/lib/libchmoogle.so: undefined
symbol:_ZN9OpenBabel4etabE 
>
> So it finds the first shared library, libchmoogle.so.  But the symbol _ZN9OpenBabel4etabE is from a second library,
theOpenBabel (chemistry) shared library, which is also located in 
>
>    /usr/local/pgsql/lib/libopenbabel.so
>
> On the Postgres 8.3 system, I simply put libopenbabel.so into the /usr/local/pgsql/lib directory, and everything
workedwell.  On 8.4, I can't seem to get it to load libopenbabel.so.  Other programs that use this library have no
troublefinding it. 
>
> What (if anything) has changed from 8.3 to 8.4 regarding how it finds and links dynamic libraries?  What else should
Ilook for?  I'm stumped on this one. 
>

Studid question, but did you recompile the library against 8.4 first?

> Thanks,
> Craig
>

--
PostgreSQL.org Major Contributor
Command Prompt, Inc: http://www.commandprompt.com/ - 509.416.6579
Consulting, Training, Support, Custom Development, Engineering

pgsql-admin by date:

Previous
From: Craig James
Date:
Subject: 8.3 to 8.4 - Can't load dynamic shared library
Next
From: dx k9
Date:
Subject: tablespaces