{
  description = "cl-yag static site generator";
  inputs = {
    cl-nix-lite.url = "github:hraban/cl-nix-lite";
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
    flake-utils.url = "github:numtide/flake-utils";
  };
  outputs = {
    self, nixpkgs, cl-nix-lite, flake-utils
  }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = nixpkgs.legacyPackages.${system}.extend cl-nix-lite.overlays.default;
      in 
      {

          defaultPackage.x86_64-linux =
            # Notice the reference to nixpkgs here.
            with import nixpkgs { system = "x86_64-linux"; };
            stdenv.mkDerivation {
              name = "hello";
              src = self;
              buildPhase = "gcc -o hello ./hello.c";
              installPhase = "mkdir -p $out/bin; install -t $out/bin hello";
            };

        };

        devShell = pkgs.mkShell {
          buildInputs = [
            pkgs.ecl
            pkgs.git
            pkgs.gnumake
            pkgs.asdf
            pkgs.multimarkdown
          ];
          shellHook = ''
            echo "Welcome to the development shell for cl-yag static site generator!"
            ecl --load generator.lisp
          '';
        };
      });
  }