[Haskell-beginners] Installing packages

[Tymur Porkuian]

>> I'm trying to install wxcore-0.11.0 using Cabal. I've downloaded it
>> from
>> http://hackage.haskell.org/cgi-bin/hackage-scripts/package/wxcore-0.11.0,
>> unpacked and tried to follow instructions from
>> http://haskell.org/haskellwiki/Cabal/How_to_install_a_Cabal_package,
>> but this is what I'm getting:
>>
>> D:\libraries\wxcore-0.11.0>runhaskell Setup configure
>> Setup: sh: runGenProcess: does not exist (No such file or directory)
>>
>> What does this mean?
>
> On Windows it usually means that the package has a "configure" shell script
> and therefore requires that Cygwin or MSYS be installed.

I have installed Cygwin, and still getting the exact same error.
Should something else be done after installing it?