Michael Van Canneyt wrote:
On Fri, 7 Dec 2012, Mark Morgan Lloyd wrote:
When using something like InitialisePostgres3(), if the approximate
location of the database library (.so or .dll) is known, what's the
most effective way of finding the exact file? Is there a single
routine that does a recursive search?
No.
The reason that I ask is that it appears that the most efficient way
of getting libpq.dll for Windows is to install the ODBC drivers, and
they go into a directory typically named like C:\Program
Files\psql\ODBC\xxxx\bin where xxxx is a version number.
Maybe the installer writes something in the registry, in which case you
could try that first.
There's a problem with this on (at least some versions of) Windows: if
you use InitialisePostgres3() it will find libpq.dll but not other
libraries such as ssleay. A workable hack appears to be to cd to the
directory that contains the DLLs before attempting to establish the
database connection.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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