{ stdenv, buildPackages, hostPlatform, fetchurl, perl, buildLinux, ... } @ args: with stdenv.lib; buildLinux (args // rec { version = "4.14.39"; # 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 = "1gdpq4w6srz2fpyi8bqpgz0p5wm3mrk7ir967c6f2285mdvcb7r6"; }; } // (args.argsOverride or {}))