{
  description = "A flake for the piWatcher software.";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/23.11";
  };


  outputs = inputs@{ self, nixpkgs, ... }:
    let
      lib = nixpkgs.lib;

      allSystems = [ "x86_64-linux" "aarch64-linux" "armv6l-linux" ];

      crossPkgs-aarch64-linux = import nixpkgs { localSystem = "x86_64-linux"; crossSystem = "aarch64-linux"; };
      crossPkgs-armv6l-linux = import nixpkgs {
        localSystem = "x86_64-linux";
        crossSystem = {
          system = "armv6l-linux";
          gcc = {
            arch = "armv6k";
            fpu = "vfp";
          };
        };
      };
    in
    {
      formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixpkgs-fmt;

      packages = {
        x86_64-linux = {
          default = nixpkgs.legacyPackages.x86_64-linux.callPackage ./default.nix { };
          cross-aarch64-linux = crossPkgs-aarch64-linux.callPackage ./default.nix { };
          cross-armv6l-linux = crossPkgs-armv6l-linux.callPackage ./default.nix { };
        };
        aarch64-linux.default = nixpkgs.legacyPackages.aarch64-linux.callPackage ./default.nix { };
        armv6l-linux.default = nixpkgs.legacyPackages.armv6l-linux.callPackage ./default.nix { };
      };

      nixosModules.default = { config, pkgs, ... }: {
        imports = [ ./module.nix ];
        _module.args.satnogsDemoDisplayPkgs = self.packages;
      };
    };
}