{ callPackage, fetchurl, ... } @ args: callPackage ./generic.nix (args // rec{ version = "0.5.1.3"; src = fetchurl { url = "http://downloads.xiph.org/releases/celt/celt-${version}.tar.gz"; sha256 = "0bkam9z5vnrxpbxkkh9kw6yzjka9di56h11iijikdd1f71l5nbpw"; }; })