*** setup configure

Configuring haskeline-0.6.1.2...
cabal-setup: At least the following dependencies are missing:
unix >=2.1 && <2.4

*** Trying again with preferred-versions

*** setup configure

Configuring haskeline-0.6.1.2...
cabal-setup: At least the following dependencies are missing:
unix >=2.1 && <2.4