[Haskell-cafe] cabal errors

Duncan Coutts duncan.coutts at worc.ox.ac.uk
Fri Feb 29 06:29:49 EST 2008

On Thu, 2008-02-28 at 07:10 -0500, Kristofer Buffington wrote:
> Hi
> I installed ghc 6.8 from source and I've been installing packages from
> hackage. I'm not sure when the problem started, but I've been getting
> this error trying to install any cabal package.. accept apparently,
> Cabal itself.

(Which is because Cabal does not use the installed Cabal lib to build
itself, it bootstraps from its own source code.)

> Setup.hs:2:0:
>     Warning: Deprecated use of `defaultUserHooks'
>              (imported from Distribution.Simple):
>              Use simpleUserHooks or autoconfUserHooks
> Setup: /usr/local/lib/Cabal-1.3.6/ghc-
> unknown symbol `directoryzm1zi0zi0zi0_SystemziDirectory_a9_closure'
> Setup: exception :: GhcException
> Any ideas?

My first suggestion would be to clean and rebuild your development
version of Cabal. Once it's re-registered, see if "ghci -package Cabal"


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