{ lib , stdenv , callPackage , fetchurl , fetchpatch , tcl , ... } @ args: callPackage ./generic.nix (args // { src = fetchurl { url = "mirror://sourceforge/tcl/tk${tcl.version}-src.tar.gz"; sha256 = "sha256-LmX6BpojNlRAo8VsVWuGc7XjKig4ANjZslfj9YTOBnU="; }; })