{stdenv, fetchurl}: derivation
  { name = "gzip-1.3.3"
  , system = stdenv.system
  , builder = ./builder.sh
  , src = fetchurl
      { url = http://www.gzip.org/gzip-1.3.3.tar.gz
      , md5 = "52eaf713673507d21f7abefee98ba662"
      }
  , stdenv = stdenv
  }