Package(
  [ ("name", "flex-2.5.4a")

  , ("build", Relative("flex/flex-build.sh"))

  , ("src", Call(IncludeFix("fetchurl/fetchurl.fix"),
      [ ("url", "ftp://ftp.nluug.nl/pub/gnu/flex/flex-2.5.4a.tar.gz")
      , ("md5", "bd8753d0b22e1f4ec87a553a73021adf")
      ]))

  , ("stdenv", IncludeFix("stdenv/stdenv.fix"))
  , ("yacc", IncludeFix("bison/bison.fix"))
  ]
)