anchor.diff:  
     nativeBuildInputs = [
       cmake
  +    ninja
       wrapQtAppsHook
     ];
   
  
positive.code: , stdenv
  , fetchFromGitHub
  , cmake
  , qtbase
  , wrapQtAppsHook
  , wayland
  , wayland-protocols
  
negative.code: 
    NIX_CFLAGS_COMPILE = [
      "-Wno-error=misleading-indentation"
      "-Wno-error=deprecated-declarations"
    ];
  
    meta = with lib; {
      description = "GUI Firewall Management Application";
      longDescription = ''
        Firewall Builder is a GUI firewall management application for iptables,
        PF, Cisco ASA/PIX/FWSM, Cisco router ACL and more. Firewall configuration
        data is stored in a central file that can scale to hundreds of firewalls
        managed from a single UI.
      '';
      homepage = "https://github.com/fwbuilder/fwbuilder";
      license = licenses.gpl2Only;
      platforms = platforms.linux;
      maintainers = [ maintainers.elatov ];
    };
  }
  