[Haskell-cafe] Again, version conflicting problem with cabal-install

Magicloud Magiclouds magicloud.magiclouds at gmail.com
Wed Jun 20 08:23:29 CEST 2012

OK. I found cabal-src tool, which solved this perfect.

On Wed, Jun 20, 2012 at 9:22 AM, Magicloud Magiclouds
<magicloud.magiclouds at gmail.com> wrote:
> Hi,
>  The names here were just placeholder. And I just found out the reason.
>  Hackage magicloud is local (not from hackage.haskell.org), there is
> no its information in cabal INDEX (I assumed so). But this raised
> another question, how to reference a local hackage in .cabal. So the
> solver could use the dependencies originally defined but not the
> binary compiled (which dependencies are fixed)?
> On Tue, Jun 19, 2012 at 5:50 PM, Andres Löh <andres.loeh at googlemail.com> wrote:
>> Hi.
>>> Hackage A depends on magicloud (any) and container (, and
>>> hackage magicloud depends on container (any).
>>> Now I've installed magicloud, using container Then I failed
>>> to install A, with any solver.
>>> So the solvers are using the status that is installed, not the
>>> definitions from original hackages?
>> Could you please provide me with something I can reproduce? I'm not
>> sure what you mean by "A" or "magicloud". Are you saying they have no
>> further dependencies except for the one on container? If you could
>> just state which concrete packages have caused the problem, it'd
>> probably be easier. The trace output of the modular solver with -v3
>> would also help (send it to me personally if it's too long).
>> Thanks.
>> Andres
> --
> 竹密岂妨流水过
> 山高哪阻野云飞
> And for G+, please use magiclouds#gmail.com.


And for G+, please use magiclouds#gmail.com.

More information about the Haskell-Cafe mailing list