> Robert Goldman <rpgold...@sift.net> écrivait: > > > I stubbed my toe on this absent-mindedly compiling Didier's decLt > > system on Allegro Common Lisp. That system doesn't, and cannot, > > function on ACL, but ASDF tells us it has compiled successfully. > > Following up to our private conversation on this... > > I think there's an error on my part to begin with. The core system of > Declt has an :if-feature :sbcl, which prevents it from being loaded > outside SBCL. This is mostly what's needed, but I hadn't realized that > it /silently/ does so, instead of throwing an error if the feature is > absent. > > So the question is: can I declaratively state that a system (or maybe > more generally a component) depends on a feature, so that loading fails > with an error otherwise ? I don't currently see a way.
#-feature (error "FEATURE missing") at toplevel, so you get an error on reading the .asd file. -- Stelian Ionescu a.k.a. fe[nl]ix Quidquid latine dictum sit, altum videtur.
