{ stdenv, buildPackages, hostPlatform, fetchurl, perl, buildLinux, ... } @ args: with stdenv.lib; buildLinux (args // rec { version = "4.14.40"; # branchVersion needs to be x.y extraMeta.branch = concatStrings (intersperse "." (take 2 (splitString "." version))); src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "03nh71nqgifkamkb0gn12jny5h3lbn5kmpdy0ff886wyrl34sw6l"; }; } // (args.argsOverride or {}))