{stdenv, fetchurl, libgcrypt}: stdenv.mkDerivation { name = "libotr-3.2.1"; src = fetchurl { url = http://www.cypherpunks.ca/otr/libotr-3.2.0.tar.gz; sha256 = "14v6idnqpp2vhgir9bzp1ay2gmhqsb8iavrkwmallakfwch9sfyq"; }; propagatedBuildInputs = [libgcrypt]; }