Duncan Coutts wrote: > > Sadly not because portage is not clever enough to deal with the kind of > dependencies you end up with by doing that. Portage does not know that > some libs are installed for one ghc and some for another, so it'd try > and satisfy a dependency for mtl using the mtl you'd installed for > ghc-6.4.2 when in fact you were building something for 6.6.1. > > You may have heard of other new portage features that sound like they'd > help, they don't. We've thought about this a lot and it is not feasible > in with the current portage. > > We could slot multiple versions of a lib for the same ghc, but not slot > ghc itself.
Why not library slots named ghc-6.4 ghc-6.6 ghc-6.8 (or finer), each depending on the repective compiler slot? The different slots of gtk+ also depend on different slots of glib. Wolfram _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users