{ cabal, perl }: cabal.mkDerivation (self: { pname = "alex"; version = "2.3.3"; sha256 = "338fc492a1fddd6c528d0eb89857cadab211cb42680aeee1f9702bbfa7c5e1c8"; isLibrary = false; isExecutable = true; buildTools = [ perl ]; doCheck = false; patches = [ ./adapt-crazy-perl-regex-for-cpp-4.8.0.patch ]; meta = { homepage = "http://www.haskell.org/alex/"; description = "Alex is a tool for generating lexical analysers in Haskell"; license = self.stdenv.lib.licenses.bsd3; platforms = self.ghc.meta.platforms; maintainers = [ self.stdenv.lib.maintainers.andres ]; }; })