[Haskell-cafe] More cabal install problems
Brandon Allbery
allbery.b at gmail.com
Tue Jan 3 03:49:30 CET 2012
On Mon, Jan 2, 2012 at 21:36, Victor Miller <victorsmiller at gmail.com> wrote:
> <command line>: cannot satisfy -package-id
> mtl-2.0.1.0-5b7a9cce5565d8cc8721ba4f95becf1b
> (use -v for more information)
>
> However, cabal list tells me:
>
> * mtl
> Synopsis: Monad classes, using functional dependencies
> Default available version: 2.0.1.0
> Installed versions: 2.0.1.0
> License: BSD3
>
The right version, but possibly not the right ABI hash. Also, it might be
broken by some other dependency; try "ghc-pkg list" which should give you
an idea about both issues. ghc is regrettably not very good about saying
*why* it "cannot satisfy" a package dependency.
--
brandon s allbery allbery.b at gmail.com
wandering unix systems administrator (available) (412) 475-9364 vm/sms
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