{
  inputs = {
    nixpkgs.url = "nixpkgs/nixos-23.05";
    flake-utils.url = "github:numtide/flake-utils";
    etherlab.url = "git+https://git.dripco.eu/nic/etherlab-nix";
  };
  outputs = { self, nixpkgs, flake-utils, etherlab, ... }:
    flake-utils.lib.eachSystem [
      "x86_64-linux" "i686-linux" "aarch64-linux"
    ] (system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
        kernel = pkgs.linux_latest;
        # TODO pass kernel version to the flake, use overlays maybe
        ethercat = if system == "aarch64-linux" then
          etherlab.ethercat.override {
            kernel = pkgs.linuxKernel.kernels.linux_rpi4;
            master_device0 = "end0";
          } else etherlab.packages.${system}.ethercat.override { inherit kernel; };
      in
      {
        packages.default = pkgs.callPackage ./default.nix { inherit ethercat; };
        packages.ec-controller = pkgs.callPackage ./default.nix { inherit ethercat; };
      }
    );
}