[Haskell-cafe] Cabal - how do I remove a package?

[John Van Enk]

Are you actually trying to remove the bits from the hard drive, or is that
something to fix a different problem you're having. If it's a different
problem, perhaps you could ask that as well?

On Tue, Oct 6, 2009 at 4:04 PM, Paul Moore <p.f.moore at gmail.com> wrote:

> 2009/10/6 John Van Enk <vanenkj at gmail.com>:
> > you want:
> >
> > ghc-pkg unregister [package name]
> >
> > and
> >
> > ghc-pkg list
>
> Thanks. I wouldn't have found that by myself.
>
> Unfortunately, having issued
>
> ghc-pkg unregister mersenne-random-1.0
>
> I still see the code present:
>
> >dir C:\Users\Gustav\AppData\Roaming\cabal\mersenne-random-1.0\ghc-6.10.4
>
>  Volume in drive C is OS             Serial number is 8442:99ea
>  Directory of
>  C:\Users\Gustav\AppData\Roaming\cabal\mersenne-random-1.0\ghc-6.10.4\*
>
> 05/10/2009  21:06         <DIR>    .
> 05/10/2009  21:06         <DIR>    ..
> 05/10/2009  21:06         <DIR>    include
> 05/10/2009  21:06         <DIR>    System
> 05/10/2009  21:06          44,350  HSmersenne-random-1.0.o
> 05/10/2009  21:06          66,762  libHSmersenne-random-1.0.a
>
> Looks like ghc-pkg unregister just does precisely that - unregisters
> the package but doesn't remove it. Can I even persuage cabal/ghc-pkg
> to list all the files and directories created by the install so I can
> remove them by hand?
>
> Paul.
>
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