anchor.diff:      "-Dlibcolordcompat=true"
       "-Dsane=true"
       "-Dvapi=true"
  +    "-Ddaemon=${lib.boolToString enableDaemon}"
       "-Ddaemon_user=colord"
     ];
   
  
positive.code:     gusb
      lcms2
      libgudev
      polkit
      sane-backends
      sqlite
      systemd
    ];
  
    postInstall = ''
  
negative.code: , docbook_xml_dtd_412
  , gtk-doc
  , libxslt
  , enableDaemon ? !stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isStatic
  }:
  
  stdenv.mkDerivation rec {
  