anchor.diff:  
   EXTRA_OECONF = " \
       --disable-libusb \
  -    --enable-libudev \
       --enable-usbdropdir=${libdir}/pcsc/drivers \
   "
   
   S = "${WORKDIR}/pcsc-lite-${PV}"
   
  -PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'systemd', d)}"
  +PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'systemd', d)} udev"
  +PACKAGECONFIG_class-native ??= ""
   
   PACKAGECONFIG[systemd]  = ",--disable-libsystemd,systemd,"
  +PACKAGECONFIG[udev] = "--enable-libudev,--disable-libudev,udev"
   
   PACKAGES = "${PN} ${PN}-dbg ${PN}-dev ${PN}-lib ${PN}-doc ${PN}-spy ${PN}-spy-dev"
   
   RRECOMMENDS_${PN} = "ccid"
  +RRECOMMENDS_${PN}_class-native = ""
   
   FILES_${PN} = "${sbindir}/pcscd"
   FILES_${PN}-lib = "${libdir}/libpcsclite*${SOLIBS}"
  
positive.code: RCONFLICTS_${PN} += "${PN}-systemd"
  SYSTEMD_SERVICE_${PN} = "pcscd.socket"
  RDEPENDS_${PN}-spy +="python"
  
negative.code: LICENSE_${PN}-spy = "GPLv3+"
  LICENSE_${PN}-spy-dev = "GPLv3+"
  LIC_FILES_CHKSUM = "file://COPYING;md5=628c01ba985ecfa21677f5ee2d5202f6"
  
  SRC_URI = "https://pcsclite.apdu.fr/files/${BP}.tar.bz2"
  SRC_URI[md5sum] = "c20650a36062ab1689f37f3302c988f2"
  