[asdf-devel] Optional dependencies

Tobias C Rittweiler tcr at freebits.de
Sat Aug 21 07:10:08 UTC 2010

In article 
<AANLkTi=QXv-2MeF5jqi=oZHk4w5zjhr=vLp+qAEKKcwg at mail.gmail.com>,
 Faré <fahree at gmail.com> wrote:

> Dear Tobias,
> I personally think this "weakly-depends-on" is a horrible mess.
> If you want FOO, require FOO. If you want FOO+READTABLE, require 
> And so have two systems FOO and FOO+READTABLE. I think that's what the
> dwim.hu guys now do. It also works better with XCVB, this way.

I'll follow up to this suggestion on Juanjo's summary mail.

> > I'd think ASDF should include a ./configure step (there
> > are extension for that kind of thing out there), and
> > should then save configuration choices persistently,
> > and check for these when loading a system.
> >
> I think this can be external to ASDF itself. At ITA, we have scripts
> that do things like that. My, it's ugly. Trying to get rid of it.

How can this be external? It must be integrated into the way
ASDF stores fasls, and loads system. Now it may be that its GF
architecture is extensible enough but then GF extensions are
hard to get to a point where they compose.


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