[Haskell-cafe] Quick Question for QuickCheck2

Lyndon Maydwell maydwell at gmail.com
Tue Aug 31 06:38:19 EDT 2010


ghc-pkg check doesn't list any broken dependencies.

On Tue, Aug 31, 2010 at 9:27 AM, Ivan Lazar Miljenovic
<ivan.miljenovic at gmail.com> wrote:
> On 31 August 2010 03:18, Lyndon Maydwell <maydwell at gmail.com> wrote:
>> Thanks!
>>
>> This makes perfect sense, but as I just discovered using ghci -v there
>> is an even stranger problem. I'm side-tracking slightly from the
>> original question here, but nevertheless...
>>
>> GHC gives the following output:
>>
>> ---
>> GHCi, version 6.12.3: http://www.haskell.org/ghc/  :? for help
>> <command line>: cannot satisfy -package QuickCheck-2.1.1.1:
>>    QuickCheck-2.1.1.1-c7435cb0d5b5de72fe9540c48335606d is unusable
>> due to missing or recursive dependencies:
>>      ghc-6.12.3-66a382195c8a71849653439b67021fd1
>>    (use -v for more information)
>>
>> shell returned 1
>
> What does "ghc-pkg check" say?
>
> To me, it sounds like you upgraded a boot library, which is a big no-no.
>
> (The ghc mentioned here is the ghc library, not the compiler itself.)
>
> --
> Ivan Lazar Miljenovic
> Ivan.Miljenovic at gmail.com
> IvanMiljenovic.wordpress.com
>


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