{cabal, ghcPaths, alex, happy}: cabal.mkDerivation (self : { pname = "haddock"; version = "2.7.2"; # Haskell Platform 2010.1.0.0 and 2010.2.0.0 name = self.fname; sha256 = "4eaaaf62785f0ba3d37ba356cfac4679faef91c0902d8cdbf42837cbe5daab82"; extraBuildInputs = [alex happy]; propagatedBuildInputs = [ghcPaths]; meta = { description = "a tool for automatically generating documentation from annotated Haskell source code"; }; })