{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
      flake-utils.lib.eachDefaultSystem (system:
      with nixpkgs.legacyPackages.${system}; {
        packages =
        {
          default = import ./package.nix;
        };
  
        devShells.default = mkShell {
          inputsFrom = builtins.attrValues self.packages.${system};

          shellHook = ''
            export LIBCLANG_PATH="${llvmPackages.libclang.lib}/lib"
          '';
          # LIBCLANG_PATH="${llvmPackages.libclang.lib}/lib";

          # I'm never quite sure which one to use, but in this case neither
          # result in a proper dev shell
          buildInputs = [ cargo ];
          nativeBuildInputs = [ cargo clang ];
        };

        nixosModules = {
          # add moduleA from flakeA as an output
          # moduleA = flakeA.nixosModules.moduleA;
          default = import ./module.nix;
        };
      });
}