{
  description = "romodoro builder";

  inputs.nixpkgs.url = "nixpkgs/nixos-unstable";

  outputs = { self, nixpkgs }:
    let
      supportedSystems =
        [
          "x86_64-linux"
          "x86_64-darwin"
          "aarch64-linux"
          "aarch64-darwin"
        ];

      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;

      nixpkgsFor = forAllSystems (system: import nixpkgs {
        inherit system;
      });

    in
    {

      packages = forAllSystems (system:
        let
          pkgs = nixpkgsFor.${system};
        in
        {
          default = pkgs.rustPlatform.buildRustPackage {
            pname = "romodoro";
            version = "0.1.1";
            src = ./.;

            nativeBuildInputs = [
              pkgs.pkg-config
              pkgs.alsa-oss
              pkgs.alsa-lib.dev
              pkgs.alsa-utils
              pkgs.git
              pkgs.cmake
            ];
            buildInputs = [
              pkgs.alsa-oss
              pkgs.alsa-lib.dev
              pkgs.alsa-utils
              pkgs.git
              pkgs.pkg-config
              pkgs.git
              pkgs.cmake
            ];
            cargoLock.lockFile = ./Cargo.lock;
          };
        });

      devShells.default =
        with nixpkgs; mkShell
          {
            LIBCLANG_PATH = "${pkgs.llvmPackages_17.libclang.lib}/lib";
            RUST_BACKTRACE = 1;
            RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";

            packages = with pkgs; [
              rustc
              cargo
              rustfmt
              rust-analyzer
              clippy
              rustup
              pkg-config
              openssl
            ];
          };
    };
}