Re: libpq static link library dowsn't work (M$ VS6) - Mailing list pgsql-hackers

From Hiroshi Inoue
Subject Re: libpq static link library dowsn't work (M$ VS6)
Date
Msg-id 39D1A066.BCB1D20B@tpf.co.jp
Whole thread Raw
In response to libpq static link library dowsn't work (M$ VS6)  ("Finn Kettner" <fk@akf.dk>)
List pgsql-hackers

Finn Kettner wrote:

> Hello again.
>
> I'm in the process of making a COM wrapper (enabling VB to connect to
> PostGres) for the libpq library using Visual Studio 6.0 Pro, but have
> a few problems. I can make use of the libpq.dll library from the COM
> wrapper, but I thought that it might be a bit better if the actual
> library routines was included in the COM wrapper, and thus making the
> libpq.dll unnedded.
>
> But if I include all the files that make up the library, then I can't
> get a connection. I even tried to make a small test file which works
> ok when using the dll, but doesn't when I include the actual .c files
> which make up the dll and static link library (.lib). Linking with the
> static link library that comes with the dll file doesn't work either.
> This little program is what I've used. Has anybody succedded in lnking
> an application with the static link library (libpq.lib) and actually
> getting a working application??? If so then I'm very interested in
> getting any help.
>

libpq.dll calls WSAStartup() in dllmain() which is never
called from static library. Probably you had better
call WSAStartup() from upper level application.

Regards.

Hiroshi Inoue



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