anchor.diff:  SYSTEMD_SERVICE_${PN}-switchroot = "ostree-prepare-root.service"
   
   BBCLASSEXTEND = "native"
  -
  -python __anonymous() {
  -    if bb.utils.contains('PTEST_ENABLED', '1', 'True', '', d):
  -        if not bb.utils.contains_any('BBFILE_COLLECTIONS', 'meta-python', 'True', '', d):
  -            raise bb.parse.SkipRecipe('ptest requires meta-python to be present.')
  -}
  
positive.code:     grep \
      python3-core \
      python3-multiprocessing \
      python3-pyyaml \
      tar \
      ${PN}-trivial-httpd \
  "
  RDEPENDS_${PN}-ptest_append_libc-glibc = " glibc-utils glibc-localedata-en-us"
  
  
negative.code: PACKAGECONFIG[builtin-grub2-mkconfig] = "--with-builtin-grub2-mkconfig, --without-builtin-grub2-mkconfig"
  PACKAGECONFIG[curl] = "--with-curl, --without-curl, curl"
  PACKAGECONFIG[dracut] = "--with-dracut, --without-dracut"
  PACKAGECONFIG[gjs] = "ac_cv_path_GJS=${bindir}/gjs"
  PACKAGECONFIG[gnutls] = "--with-crypto=gnutls, , gnutls"
  PACKAGECONFIG[libarchive] = "--with-libarchive, --without-libarchive, libarchive"
  PACKAGECONFIG[libmount] = "--with-libmount, --without-libmount, util-linux"
  