libpq API incompatibility between 7.4 and 8.0

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Martin Pitt <mpitt(at)debian(dot)org>
Subject: libpq API incompatibility between 7.4 and 8.0
Date: 2005-02-02 11:22:50
Message-ID: 200502021222.50831.peter_e@gmx.net
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Martin Pitt has detected that the libpq API has changed incompatibly
between 7.4 and 8.0. This has the effect, for example, that 7.4's psql
cannot run with 8.0's libpq. Example:

$ LD_LIBRARY_PATH=/home/peter/devel/pg80/pg-install/lib /home/peter/devel/pg74/pg-install/bin/psql --help
/home/peter/devel/pg74/pg-install/bin/psql: relocation error: /home/peter/devel/pg74/pg-install/bin/psql: undefined symbol:get_progname

I haven't looked further, but we have to fix this urgently, I think.

--
Peter Eisentraut
http://developer.postgresql.org/~petere/

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