From mboxrd@z Thu Jan  1 00:00:00 1970
From: Federico Beffa <beffa@ieee.org>
Subject: Re: GHC@8 doesn't find XMonad
Date: Tue, 07 Mar 2017 09:09:54 +0100
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In-Reply-To: <871suaat3a.fsf@gmail.com> (Mekeor Melire's message of "Tue, 07
	Mar 2017 00:22:33 +0100")
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To: Mekeor Melire <mekeor.melire@gmail.com>
Cc: help-guix@gnu.org

Mekeor Melire <mekeor.melire@gmail.com> writes:

> Hi Guix!
>
> I've installed latest XMonad (0.12) and GHC (8.0.2) with latest Guix
> (20170305.13). I've set GHC_PACKAGE_PATH to
> "/home/mekeor/.guix-profile/lib/ghc-8.0.2/package.conf.d". Still,
> 'xmonad --recompile' errors like this:
>
>     Failed to load interface for =E2=80=98XMonad=E2=80=99
>     Perhaps you meant DsMonad (needs flag -package-key ghc-8.0.2)
>     Use -v to see a list of the files searched for.
>
> And in fact, in ~/.guix-profile/lib/ghc-8.0.2/package.conf.d there is no
> xmonad. Also, there's still a folder ~/.guix-profile/lib/ghc-7.10.2
> which contains a xmonad-0.12 folder.
>
> When I install ghc@7 and adjust the GHC_PACKAGE_PATH variable, xmonad
> works just fine.
>
> Is this a know bug? What exactly is the problem here? Can I help to fix
> it?

Currently all packages using the haskell-build-system are compiled with
GHC@7.10.2.  There is ongoing work to upgrade things to the latest GHC.

Fede