{ callPackage, fetchurl, ... } @ args:
callPackage ./generic.nix (args // rec {
release = "8.6";
version = "${release}.9";
src = fetchurl {
url = "mirror://sourceforge/tcl/tcl${version}-src.tar.gz";
sha256 = "0kjzj7mkzfnb7ksxanbibibfpciyvsh5ffdlhs0bmfc75kgd435d";
};
})