[darcs-users] dataenc on GHC 6.8?

Magnus Therning magnus at therning.org
Wed Oct 7 13:40:30 UTC 2009


On Wed, Oct 7, 2009 at 1:40 PM, Eric Kow <kowey at darcs.net> wrote:
> Dear Magnus,
>
> The Darcs Team is about to merge in a rather large piece of work, but
> one potential sticking point (we just realised) is that dataenc does not
> appear to install on GHC 6.8.

My gut feeling is that it should be fine.  I don't think I'm advanced
enough in my Haskell programming to use any GHC-6.10-only features, or
even recent stuff in base...

The main reason for putting a rather strict limit on base is that I
don't have any systems around with older versions of GHC.  I'd very
much appreciate any reports on it working (or not) with GHC 6.8, then
I can adjust the requirements and upload a new version ASAP.

/M

> On Wed, Oct 07, 2009 at 13:33:29 +0100, Eric Kow wrote:
>> I'm almost ready to push this (thanks to Ganesh's go-ahead from his
>> previous message), but there is one issue from the GHC-6.8 staging
>> I dusted off for this purpose
>>
>> $ cabal install -fdeps-only
>> Resolving dependencies...
>> cabal: cannot configure dataenc-0.13.0.0. It requires base >=4.0.0 && <4.2
>> For the dependency on base >=4.0.0 && <4.2 there are these packages:
>> base-4.0.0.0 and base-4.1.0.0. However none of them are available.
>> base-4.0.0.0 was excluded because base-3.0.2.0 was selected instead
>> base-4.0.0.0 was excluded because darcs-2.3.1 requires base ==3.* && >=3 &&
>> ==3.*
>> base-4.0.0.0 was excluded because of the top level dependency base -any
>> base-4.1.0.0 was excluded because base-3.0.2.0 was selected instead
>> base-4.1.0.0 was excluded because darcs-2.3.1 requires base ==3.* && >=3 &&
>> ==3.*
>> base-4.1.0.0 was excluded because of the top level dependency base -any
>
> By any chance, is this easy to fix, eg by loosening the dependencies?
>
> Thanks!
>
> Eric
>
> --
> Eric Kow <http://www.nltg.brighton.ac.uk/home/Eric.Kow>
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-- 
Magnus Therning                        (OpenPGP: 0xAB4DFBA4)
magnus@therning.org          Jabber: magnus@therning.org
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