*** setup configure Creating dist/setup (and its parents) Reading installed packages... /usr/local/bin/ghc-pkg list Dependency Cabal>=1.4: using Cabal-1.6.0.1 Creating dist/setup (and its parents) /usr/local/bin/ghc -package Cabal-1.6.0.1 --make dist/setup/setup.hs -o dist/setup/setup -odir dist/setup -hidir dist/setup [1 of 1] Compiling Main ( dist/setup/setup.hs, dist/setup/Main.o ) Linking dist/setup/setup ... dist/setup/setup configure --ghc --user --prefix=/usr/local/tmp/archive/install --haddock-option=--use-contents=http://hackage.haskell.org/cgi-bin/hackage-scripts/package/yi-0.4.3 --verbose Configuring yi-0.4.3... setup: At least the following dependencies are missing: regex-tdfa ==0.94