[Haskell-beginners] Happstack dependency problems

[Tom Murphy]

Hi all,

I'm having build troubles with Happstack. I'll let the error message speak
for itself:

"
$ export PATH=~/.cabal/bin:$PATH
$ cabal update
$ cabal install happstack
Resolving dependencies...
cabal: cannot configure unix-2.4.2.0. It requires base >=4.2 && <4.4
For the dependency on base >=4.2 && <4.4 there are these packages:
base-4.2.0.0, base-4.2.0.1, base-4.2.0.2, base-4.3.0.0 and base-4.3.1.0.
However none of them are available.
base-4.2.0.0 was excluded because of the top level dependency base -any
base-4.2.0.1 was excluded because of the top level dependency base -any
base-4.2.0.2 was excluded because of the top level dependency base -any
base-4.3.0.0 was excluded because of the top level dependency base -any
base-4.3.1.0 was excluded because of the top level dependency base -any
"

Thank you for any help!
Tom
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