The reason to check versions is that AIX added support for standard
dlopen at 4.3 and above, which means we don't need to use the port
routines built around the older library any more.
-rocco
> -----Original Message-----
> From: pgsql-hackers-owner@postgresql.org
> [mailto:pgsql-hackers-owner@postgresql.org] On Behalf Of
> Martijn van Oosterhout
> Sent: Tuesday, February 07, 2006 12:28 AM
> To: Chris Browne
> Cc: pgsql-hackers@postgresql.org
> Subject: Re: [HACKERS] [PORTS] Failed install - libgen.so
> doesn't exist
>
>
> On Mon, Feb 06, 2006 at 04:45:11PM -0500, Chris Browne wrote:
> > Further, it appears to be AIX pre-4.3 only, when using it
> for dlopen()
> > replacement...
> >
> > It would be an attractive idea to have configure detect not whether
> > it's open, but rather whether it is needed, and leave it out for AIX
> > 4.3 and "better"...
>
> That's kinda the point of these discussions, to answer the question:
> what is in those libraries we need? Which symbol did we want? Rather
> than trying to detect versions, is there some change in the library
> (added or removed symbol) that we can base our decision on?
>
> Does that library (ld) actually provide dlopen() or something else?
>
> Thanks for the info.
> --
> Martijn van Oosterhout <kleptog@svana.org>
> http://svana.org/kleptog/
> > Patent. n. Genius is 5%
> inspiration and 95% perspiration. A patent is a
> > tool for doing 5% of the work and then sitting around
> waiting for someone
> > else to do the other 95% so you can sue them.
>