{
  description = "DWL Development Shell";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
  };

  outputs = {nixpkgs, ...}: let
    system = "x86_64-linux";
    enableXWayland = false;
  in {
    devShells."${system}".default = let
      pkgs = import nixpkgs {
        inherit system;
      };
      lib = nixpkgs.lib;
      stdenv = pkgs.stdenv;
    in
      pkgs.mkShell {
        packages = with pkgs;
          [
            # CryWL Build Utils
            gnumake
            bear

            # DWL - NativeBuildInputs
            installShellFiles
            pkg-config
            wayland-scanner

            # DWL - BuildInputs
            libinput
            xorg.libxcb
            libxkbcommon
            pixman
            wayland
            wayland-protocols
            wlroots_0_19
          ]
          ++ lib.optionals enableXWayland
          [
            # DWL - XWayland
            xorg.libX11
            xorg.xcbutilwm
            xwayland
          ];

        shellHook = let
          makeFlags =
            lib.strings.concatStringsSep " "
            ([
                "PKG_CONFIG=${stdenv.cc.targetPrefix}pkg-config"
                "WAYLAND_SCANNER=wayland-scanner"
                # "PREFIX=$(out)"
                # "MANDIR=$(man)/share/man"
              ]
              ++ lib.optionals enableXWayland [
                ''XWAYLAND="-DXWAYLAND"''
                ''XLIBS="xcb xcb-icccm"''
              ]);
        in ''
          TERM=xterm-256color
          alias mk='${makeFlags} make'
        '';
      };
  };
}