[Haskell-cafe] GHC 7, Platform 2011.2 vs OS X 10.5, Ubuntu 11.04

[Jacek Generowicz]

On 2011 May 23, at 15:08, Jacek Generowicz wrote:

>
> On 2011 May 23, at 14:42, Daniel Fischer wrote:
>
>>
>> $ ./bootstrap.sh
>>
>> in that directory should work.
>
>
> Configuring Cabal-1.8.0.2...
> Setup: At least the following dependencies are missing:
> base >=4 && <3 && >=1 && <5, filepath >=1 && <1.2
>

How am I supposed to interpret the constraint on base?

I read that as "it has to be not less than 4 but less than 3 ...". In  
other words, it requires an *impossible* version of base !

'ghc-pkg list' claims that I have

   base 4.3.1.0
   filepath 1.2.0.0