[arch-haskell] ghc: /usr/share/doc/ghc/html/libraries/hslogo-16.png exists in filesystem

[Ramana Kumar]

It is possible and desirable to manage haskell packages with pacman on Arch
Linux!
It is just not perfect yet - the arch-haskell project needs your help.
Perhaps you could point Ian Ross this way too.
(For me personally, using the [haskell] and [haskell-extra] repositories
has worked out well so far, and it's nice knowing everything is managed
properly by pacman.)

On Mon, Oct 15, 2012 at 5:16 PM, Mateusz Loskot <mateusz at loskot.net> wrote:

> On 15 October 2012 11:00, Thomas Friedrich <info at suud.de> wrote:
> > 2012/10/13 Fabio Riga <rifabio at gmail.com>:
> >> 2012/10/13 Ramana Kumar <ramana at member.fsf.org>
> >>>
> >>> I'm not sure why that error happened but it happened to me too.
> >>
> >> The problem seems to be that those files were not part of any package,
> >> but now are in ghc.
> >>
> >>> I removed the offending files manually and tried again, and ran into
> more problems (although everything installed, there were many warnings
> about interface files
> >>> being the wrong version and being skipped).
> >>> So I'm not sure what the correct way out is. Perhaps it will require
> some manual removals then reinstalls.
> >>
> >> This is a problem with ghc-pkg version. For previous version of ghc I
> had to do:
> >>
> >>   $ pacman -Rcs ghc
> >>
> >> then reinstall ghc and needed haskell-* packages. I think you'll want
> >> to remove the offending files before installing ghc again. I hope this
> >> solve the problem.
> >
> >
> > Why is it that every single time there is a ghc-update, I have to
> > remove everything and reinstall everything haskell related. Haskell is
> > such a cool language but keeping a Haskell environment up-to-date is
> > sometimes just a real pain.
>
> As Haskell newbie and new born Hakyll users, I've found recent
> replies [1] by Ian Ross interesting:
>
> "I'm also using Arch Linux on x86_64.  I would strongly recommend *not*
> using the Arch packages for most Haskell things.  I use hsenv instead."
>
> I haven't switched myself and I still use the packages, but I started to
> wonder if Ian's got the point indeed.
>
> [1] https://groups.google.com/d/topic/hakyll/9G1qXBA4raU/discussion
>
> Best regards,
> --
> Mateusz Loskot, http://mateusz.loskot.net
>
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