{stdenv, fetchurl, readline}: stdenv.mkDerivation {
name = "which-2.19";
src = fetchurl {
url = mirror://gnu/which/which-2.19.tar.gz;
sha256 = "0lnd8mfpc0r1r2ch54vl3vc6r0fnzfl33sqdda2aq62iyrsbhybx";
};
buildInputs = [readline];
}