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