anchor.diff:    buildInputs = [
       dbus
       glib
  +    json-c
       libical
       readline
       systemd_lib
     ];
   
     preConfigure = ''
  -    sed tools/hid2hci.rules \
  +    grep -q '"/sbin/udevadm' tools/hid2hci.rules
  +    sed -i tools/hid2hci.rules \
         -e 's,/sbin/udevadm,${systemd_lib}/bin/udevadm,' \
         -e 's,hid2hci ,$out/lib/udev/hid2hci ,'
   
  
positive.code: 
  , dbus
  , glib
  , libical
  , readline
  , systemd_lib
  
negative.code:   configureFlags = [
      "--sysconfdir=/etc"
      "--localstatedir=/var"
      "--enable-pie"
      "--enable-threads"
      "--enable-library"
      "--enable-nfc"
      "--enable-sap"
      "--enable-health"
      "--enable-mesh"
      "--enable-manpages"
      "--enable-sixaxis"
    ];
  
    preInstall = ''
      installFlagsArray+=(
        "sysconfdir=$out/etc"
      )
    '';
  
    passthru = {
      srcVerification = fetchurl {
  