{
  description = "MS Paint Windows XP via Wine";

  inputs.nixpkgs.url = "github:nixos/nixpkgs?ref=nixpkgs-unstable";

  outputs =
    { self, nixpkgs }:
    let
      system = "x86_64-linux";
      pkgs = nixpkgs.legacyPackages.${system};
    in
    {
      packages.${system} = rec {
        default = mspaintxp;

        mfc42 = pkgs.callPackage ./pkgs/mfc42 { };

        mspaintxp = pkgs.callPackage ./pkgs/mspaintxp {
          inherit mfc42;
          exe = ./XP_mspaintxp.exe;
        };

        codesys2 = pkgs.callPackage ./pkgs/codesys2 {
          src = ./pkgs/codesys2/installed.tar.xz;
        };

        vcredist2019 = pkgs.callPackage ./pkgs/vcredist2019 { };

        codesys3 = pkgs.callPackage ./pkgs/codesys3 {
          inherit vcredist2019;
          src = ./pkgs/codesys3/prefix.tar.xz;
        };
      };

      devShells.${system}.default = pkgs.mkShell {
        packages = [
          pkgs.wine
          pkgs.winetricks
          self.packages.${system}.mspaintxp
        ];
      };
    };
}