Error while installing new packages with GHC 7.4.1

[Antoras]

I don't know where the dependency to array-0.3.0.3 comes from. Is it 
possible to get more info from cabal than -v?


On Wed 29 Feb 2012 11:09:14 AM CET, Malcolm Wallace wrote:
>
> On 29 Feb 2012, at 09:53, Antoras wrote:
>
>> I updated my GHC version from 7.0.3 to 7.4.1. But after that GHC is unable to install some required packages.
>>
>>
>> containers-0.4.2.1 (reinstall) changes: array-0.4.0.0 ->  0.3.0.3
>> binary-0.5.1.0 (reinstall) changes: array-0.4.0.0 ->  0.3.0.3
>
> I believe you can't rebuild packages that shipped as part of your install of ghc, including containers and binary.  The downgrade of the array package looks worrying too.  I think array-0.4.0.0 is shipped with ghc-7.4.1, so where did the dependency on array-0.3.0.3 come from?
>
> Regards,
>      Malcolm
>
>
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