haskell-src-exts fails to install with missing dependencies

[Dominic Steintiz]

Dominic Steintiz wrote:
> fourier:/home/dom1 # cabal upgrade haskell-src-exts
>   
>> Resolving dependencies...
>> Downloading haskell-src-exts-1.9.0...
>> <command line>: cannot satisfy -package Cabal-1.8.0.2:
>>     Cabal-1.8.0.2-72f6eafc7def741b28f6ec75d2686d14 is unusable due to
>> missingor recursive dependencies:
>>       process-1.0.1.2-8b5308cb23fbdc3c2df27e298550937f
>>     (use -v for more information)
>> cabal: Error: some packages failed to install:
>> haskell-src-exts-1.9.0 failed during the configure step. The exception
>> was:
>> ExitFailure 1
>>     
>
> Hopefully this is the right list to report these things. Did I do
> something wrong? Or is this a bug? Let me know if you need any more
> information.
>
>
>
>   
Hmm I seem to be in dependency hell:

> dom1 at fourier:~> ghci -package statistics
> GHCi, version 6.12.1: http://www.haskell.org/ghc/  :? for help
> <command line>: cannot satisfy -package statistics:
>     statistics-0.5.1.0-586cd7ab05f139c66aa46d2ef0f915cf is unusable
> due to missing or recursive dependencies:
>       mwc-random-0.5.0.0-c001f1cc8482a2ff9cc0eb00aa39dd39
> vector-0.6.0.1-7092ca151761c7334cafae514bd797db
> vector-algorithms-0.3.2-31f3109ce7eec63ed1b64c120faaa91d
>     (use -v for more information)
Lol:

> fourier:/home/dom1 # cabal upgrade statistics --global
> Resolving dependencies...
> cabal: cannot configure vector-0.6.0.1. It requires ghc >=6.9
> There is no available version of ghc that satisfies >=6.9
> fourier:/home/dom1 # ghc --version
> The Glorious Glasgow Haskell Compilation System, version 6.12.1