anchor.diff:      ensureDir $out/lib/cups/filter
       ln -s ${cups}/lib/cups/filter/* $out/lib/cups/filter/
       ln -s ${pkgs.ghostscript}/lib/cups/filter/* $out/lib/cups/filter/
  +    ${cfg.bindirCmds}
     ''; # */
     
   
  
positive.code: 
    modprobe = config.system.sbin.modprobe;
  
  
    # Here we can enable additional backends, filters, etc. that are not
    # part of CUPS itself, e.g. the SMB backend is part of Samba.  Since
  
negative.code:           default = false;
            description = "
              Whether to enable printing support through the CUPS daemon.
            ";
          };
  
          bindirCmds = mkOption {
            default = "";
            description = "
              add commands adding additional symlinks to the bindir such as bjnp
            ";
          };
  
  