{stdenv, fetchurl}:
stdenv.mkDerivation {
name = "rcs-5.7";
# builder = ./builder.sh;
src = fetchurl {
url = http://nix.cs.uu.nl/dist/tarballs/rcs-5.7.tar;
md5 = "f7b3f106bf87ff6344df38490f6a02c5";
};
}