{ stdenv, fetchurl, libogg }: stdenv.mkDerivation rec { name = "speex-1.2rc1"; src = fetchurl { url = "http://downloads.us.xiph.org/releases/speex/${name}.tar.gz"; sha256 = "19mpkhbz3s08snvndn0h1dk2j139max6b0rr86nnsjmxazf30brl"; }; buildInputs = [ libogg ]; }