{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;
}