{stdenv, fetchurl}:
stdenv.mkDerivation {
name = "pcre-6.7";
src = fetchurl {
url = ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-6.7.tar.bz2;
md5 = "dbbec9d178ce199e67e98c9a4f994f90";
};
}