<<< metadata_duplicate_useflag_description >>>
  gnome-extra/evolution-data-server|berkdb|gnome@gentoo.org
<<< open bugs >>>
  https://bugs.gentoo.org/803017 gnome-extra/evolution-data-server-3.40.2_fails_to_build:_ld:_/usr/lib64/libctf.so.0:_version_`LIBCTF_1.1'_not_found
  https://bugs.gentoo.org/808081 app-crypt/gcr_causing_build_failures_for_gnome-extra/evolution-data-server_3.40.4_after_wayland_use_change
  https://bugs.gentoo.org/568196 gnome-base/gnome-shell:_Obey_USE=&quot;eds&quot;_and_make_gnome-extra/evolution-data-server_optional