Christoph Zwerschke <cito(at)online(dot)de> writes:
> Yes, but it will complicate things. I will probably have to use
> something like "configure" to do this. So far, this hasn't been
> necessary. So I'd prefer a simple hack. Or how would you to this?
If you need to deal with more than one version of underlying code,
it's time to learn to use configure ...
regards, tom lane