[Haskell-beginners] Cabal problems - as usual..

[KC]

If you're on Windows install development environments outside the Programs
Folder which has special protections on it.

--
--

Sent from an expensive device which will be obsolete in a few months! :D

Casey

On Jan 30, 2015 2:33 PM, "Henk-Jan van Tuyl" <hjgtuyl at chello.nl> wrote:

> On Fri, 30 Jan 2015 14:54:36 +0100, Gregory Guthrie <guthrie at mum.edu>
> wrote:
>
>  Doing a cabal update, it notes a new version of cabal -install, so trying
>> that fails, and now it looks like cabal itself is broken (no installs work).
>> Any short-term \remedies, and/or long term better approaches?
>>
>
> A method that usually works is as follows:
>   md CabalInstall
>   cd CabalInstall
>   cabal sandbox init
>   cabal install cabal-install
> Then copy CabalInstall\.cabal-sandbox\bin\cabal.exe to the location of
> the old cabal.exe (probably something like "C:\Program Files\Haskell
> Platform\2014.2.0.0\lib\extralibs\bin\"
> (Maybe rename the old cabal.exe to cabal-1.20.0.4.exe (or something
> similar) first)
> Check with
>   cabal --version
> if the correct version of cabal.exe is run.
>
> If you are using a sandbox, all locally installed packages are ignored, so
> there is less chance of dependency problems.
>
> Regards,
> Henk-Jan van Tuyl
>
>
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>
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