{ stdenv, buildPackages, hostPlatform, fetchurl, perl, buildLinux, modDirVersionArg ? null, ... } @ args: with stdenv.lib; buildLinux (args // rec { version = "4.14.62"; # modDirVersion needs to be x.y.z, will automatically add .0 if needed modDirVersion = if (modDirVersionArg == null) then concatStrings (intersperse "." (take 3 (splitString "." "${version}.0"))) else modDirVersionArg; # branchVersion needs to be x.y extraMeta.branch = concatStrings (intersperse "." (take 2 (splitString "." version))); src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "1ar29ikway5im17iw9ag1fxivr7sbj8nhxxw347xqmp1irz4vjji"; }; } // (args.argsOverride or {}))