{
  inputs = {
    flake-parts.url = "github:hercules-ci/flake-parts";
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs = {
    self,
    flake-parts,
    ...
  } @ inputs:
    flake-parts.lib.mkFlake {inherit inputs;} {
      systems = ["x86_64-linux"];
      perSystem = {
        self',
        inputs',
        system,
        config,
        pkgs,
        lib,
        ...
      }: let
        inherit (pkgs) callPackage;
      in {
        # Customize the pkgs instance with our desired features
        # and overlays.
        legacyPackages = import inputs.nixpkgs {
          inherit system;
          config = {
            overlays = [self.overlays.default]; # consume local overlay
          };
        };

        # Set pkgs to the updated value, which is also exposed
        # as legacyPackages in the flake schema.
        _module.args.pkgs = config.legacyPackages;

        # Generate packages automagically from ./nix/packages
        # for each package that contains a package.nix - this
        # is a flake-parts feature that makes our life easier.
        packages = {
          sdl3-custom = callPackage ./nix/packages/SDL3 {};
          # cursed-libcxx-stdenv = callPackage ./nix/packages/cursed-libcxx-stdenv {};
          gooey = callPackage ./nix/packages/gooey {
            inherit self;
            sdl3 = self'.packages.sdl3-custom;
          };
        };

        # Generate an overlay containing each one of our packages that are collected
        # from ./nix/packages.
        # overlayAttrs = self.packages;

        devShells.default = callPackage ./shells/default.nix {inherit (self'.packages) gooey;};
      };
    };
}