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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Haskell and guix
Date: Wed, 14 Dec 2016 00:30:44 +0100
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	(David Craven's message of "Tue, 13 Dec 2016 18:23:43 +0100")
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To: David Craven <david@craven.ch>
Cc: help-guix@gnu.org

David Craven <david@craven.ch> skribis:

> So for future reference, to hack on a haskell package these are the steps:
>
> guix environment haskell-package --ad-hoc cabal-install
> unset GHC_PACKAGE_PATH
> export GUIX_LD_WRAPPER_ALLOW_IMPURITIES=3Dy
> cabal update
> cabal sandbox init
> cabal install --only-dependencies --enable-tests
> cabal build

Thanks for sharing!

Ludo=E2=80=99.