*** setup configure setup/setup configure --ghc --user --prefix=/usr/local/tmp/archive/install --haddock-option=--use-contents=http://hackage.haskell.org/cgi-bin/hackage-scripts/package/timberc-1.0.2 --verbose Configuring timberc-1.0.2... Dependency array >=0.1: using array-0.2.0.0 Dependency base >=4: using base-4.1.0.0 Dependency binary >=0.4.2: using binary-0.5.0.1 Dependency bytestring >=0.9: using bytestring-0.9.1.4 Dependency bzlib >=0.4.0.0: using bzlib-0.5.0.0 Dependency filepath >=1.1: using filepath-1.1.0.2 Dependency haskell98 -any: using haskell98-1.0.1.0 Dependency mtl >=1.1: using mtl-1.1.0.2 Dependency pretty >=1.0.0.0: using pretty-1.0.1.0 setup: happy version >=1.18 is required but the version found at /usr/local/bin/happy is version 1.17 *** Trying again with preferred-versions *** setup configure setup/setup configure --ghc --user --prefix=/usr/local/tmp/archive/install --haddock-option=--use-contents=http://hackage.haskell.org/cgi-bin/hackage-scripts/package/timberc-1.0.2 --constraint=base<4 --constraint=parsec<3 --constraint=HaXml==1.13.* --constraint=QuickCheck<2 --verbose Configuring timberc-1.0.2... setup: At least the following dependencies are missing: base >=4 && <4