Package(
  [ ("name", "unzip-5.50")

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

  , ("src", Call(IncludeFix("fetchurl/fetchurl.fix"),
      [ ("url", "ftp://ftp.info-zip.org/pub/infozip/src/unzip550.tar.gz")
      , ("md5", "798592d62e37f92571184236947122ed")
      ]))

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