{stdenv, fetchurl, tcl, x11}: stdenv.mkDerivation { name = "tk-8.4.16"; builder = ./builder.sh; src = fetchurl { url = mirror://sourceforge/tcl/tk8.4.16-src.tar.gz; sha256 = "0cciavzd05bpm5yfppid0s0vsf8kabwia9620vgvi26sv1gjgwhb"; }; buildInputs = [tcl x11]; inherit tcl; }