gentoo-overlay/net-mail/lbdb/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <!-- maintainer-needed -->
  <use>
    <flag name="abook">Enables <pkg>app-misc/abook</pkg> support</flag>
    <flag name="bbdb">Include support for <pkg>app-emacs/bbdb</pkg></flag>
    <flag name="evo">Add support for <pkg>mail-client/evolution</pkg></flag>
    <flag name="finger">Enables finger support</flag>
  </use>
</pkgmetadata>