{
  inputs = {
    fenix = {
      url = "github:nix-community/fenix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, flake-utils, fenix }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          overlays = [ fenix.overlays.default ];
        };

        rustc = pkgs.fenix.stable.rustc;
        cargo = pkgs.fenix.stable.cargo;

        neededLibs = with pkgs;
          (with xorg; [ ])
          ++ [ ];

        flakePkgs = { wedge = pkgs.callPackage ./. { inherit rustc cargo; }; };
      in
      rec {
        packages = flake-utils.lib.flattenTree flakePkgs;
        defaultPackage = packages.wedge;

        devShell = pkgs.mkShell {
          inputsFrom = with packages; [ wedge ];

          shellHook = ''
            export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${
              pkgs.lib.makeLibraryPath neededLibs
            }"
          '';

          packages = (with pkgs; [
            # cargo-watch
            # cargo-deny
            # cargo-edit
            # sqlx-cli
            # sqlite

            (with pkgs.fenix;
            combine [
              rustc
              cargo
              #   targets.wasm32-unknown-unknown.latest.rust-std
            ])
          ]);

          PKG_CONFIG_PATH = with pkgs;
            lib.concatStringsSep ":" [
              #   "${fontconfig.dev}/lib/pkgconfig"
              #   "${xorg.libX11.dev}/lib/pkgconfig"
              #   "${xorg.libXcursor.dev}/lib/pkgconfig"
              #   "${xorg.libXi.dev}/lib/pkgconfig"
              #   "${xorg.libXrandr.dev}/lib/pkgconfig"
            ];
        };
      });
}