anchor.diff:  
   PACKAGES += "${PN}-plugins"
   ALLOW_EMPTY:${PN}-plugins = "1"
  +
  +PACKAGE_BEFORE_PN = "${PN}-imcvs ${PN}-imcvs-dbg"
  +ALLOW_EMPTY:${PN}-imcvs = "1"
  +
  +FILES:${PN}-imcvs = "${libdir}/ipsec/imcvs/*.so"
  +FILES:${PN}-imcvs-dbg += "${libdir}/ipsec/imcvs/.debug"
   
   PACKAGES_DYNAMIC += "^${PN}-plugin-.*$"
   NOAUTOPACKAGEDEBUG = "1"
  
positive.code: # tpm needs meta-tpm layer
  PACKAGECONFIG[tpm2] = "--enable-tpm,--disable-tpm,,${PN}-plugin-tpm"
  
  inherit autotools systemd pkgconfig
  
  RRECOMMENDS:${PN} = "kernel-module-ah4 \
  
negative.code: PACKAGECONFIG ?= "curl gmp openssl sqlite3 swanctl curve25519\
          ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'systemd-charon', 'charon', d)} \
          ${@bb.utils.contains('DISTRO_FEATURES', 'tpm2', 'tpm2', '', d)} \
          ${@bb.utils.contains('DISTRO_FEATURES', 'ima', 'tnc-imc imc-hcd imc-os imc-scanner imc-attestation', '', d)} \
          ${@bb.utils.contains('DISTRO_FEATURES', 'ima', 'tnc-imv imv-hcd imv-os imv-scanner imv-attestation', '', d)} \
  "
  
  PACKAGECONFIG[aesni] = "--enable-aesni,--disable-aesni,,${PN}-plugin-aesni"
  PACKAGECONFIG[bfd] = "--enable-bfd-backtraces,--disable-bfd-backtraces,binutils"
  PACKAGECONFIG[charon] = "--enable-charon,--disable-charon,"
  