{stdenv, fetchurl}: derivation
  { name = "pcre-4.3"
  , system = stdenv.system
  , builder = ./builder.sh
  , src = fetchurl
      { url = ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-4.3.tar.bz2
      , md5 = "7bc7d5b590a41e6f9ede30f272002a02"
      }
  , stdenv = stdenv
  }