[Haskell-cafe] "build depends:" in a .cabal file

Galchin, Vasili vigalchin at gmail.com
Mon Aug 18 17:12:22 EDT 2008

> If by "faulting in" you mean downloading and installing missing
> dependencies, then that's exactly what the cabal-install tool does.
       This is exactly by "faulting in" .. an analogy ...

       Installing cabal-install seems to be a chicken and egg problem
if enough packages are not already installed ... if not enough then  one
(me) can die of a thousand paper cuts bootstrapping packages up to where
cabal-install can be installed. I am running Ubuntu Linux. Cabl-install is
written in Haskell? If so, is there a pre-compiled Cabal-install that I can
just install with all dependencies (packages) including. I also want to
install HaskellDB painlessly ;^) ??

> As you mention in your other email, Cabal and cabal-install do indeed
> access the db of installed packages and build a dependency graph.
> cabal-install also uses a simple constraint solver to find a
> satisfactory dep graph of installable packages.

> Duncan
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