Is there something that looks particularly wrong below? I'm on Mac OSX Intel. I'm trying to build crypto which depends on NewBinary which depends on lang (removed). --- ghc-pkg -l /usr/local/lib/ghc-6.5/package.conf: ALUT-2.0, Cabal-1.1.4, GLUT-2.0, HUnit-1.1, OpenGL-2.1, QuickCheck-1.0, base-1.0, fgl-5.2, (ghc-6.5), haskell-src-1.0, haskell98-1.0, mtl-1.0, network-1.0, parsec-2.0, readline-1.0, rts-1.0, stm-1.0, template-haskell-1.0, time-1.0, unix-1.0 junior:~/work/Haskell/NewBinary joelr$ sudo runhaskell Setup.lhs install Installing: /usr/local/lib/NewBinary-0.1/ghc-6.5 & /usr/local/bin NewBinary-0.1... Registering NewBinary-0.1... Reading package info from ".installed-pkg-config" ... done. ghc-pkg: invalid package identifier: -- http://wagerlabs.com/