*** setup configure

Reading installed packages...
/usr/local/bin/ghc-pkg dump --global
/usr/local/bin/ghc-pkg dump --user
Creating setup (and its parents)
/usr/local/bin/ghc -package Cabal-1.8.0.2 --make Setup.hs -o setup/setup -odir setup -hidir setup
Linking setup/setup ...
setup/setup configure --ghc --user --prefix=/usr/local/tmp/archive/install --haddock-option=--use-contents=/package/haskeline-0.6.1.5 --verbose
Configuring haskeline-0.6.1.5...
setup: At least the following dependencies are missing:
unix >=2.0 && <2.4

*** Trying again with preferred-versions

*** setup configure

setup/setup configure --ghc --user --prefix=/usr/local/tmp/archive/install --haddock-option=--use-contents=/package/haskeline-0.6.1.5 --constraint=base<4 --constraint=parsec<3 --constraint=QuickCheck<2 --constraint=cabal-install<0.8 --verbose
Configuring haskeline-0.6.1.5...
setup: At least the following dependencies are missing:
unix >=2.0 && <2.4