Am Montag, 19. Mai 2008 schrieb Bob Rossi:
> Apr allows the use of the wonderful postgresql db. It has an autotools
> test that checks to see if it can link against -lpq. However, checking
> against just -lpq is not always enough. On linux, sometimes you need
> '-lpq -lcrypt'. On windows, sometimes you need '-lpq -lSecur32 -lws_32'.
I don't know about Windows, but on Linux -lpq should always be enough (unless
you are linking statically). Everything else would seem to be a bug.
> So, my question is, how does one figure out the required libraries? I
> suggested pg_config --libs on the apr mailing list, and someone had this
> to say:
> This returns libraries that were used to build PostgreSQL, not the ones
> that are required to link to -lpq. So, I'm just worried that it is
> inaccurate.
>
> Could you please comment on this?
I suppose you got the above information from Tollef Fog Heen, after I
discussed the issue with him in the Debian BTS. I agree, however, the the
purpose of the pg_config options may be confusing or badly documented.