gentoo-overlay/sys-apps/pcsc-tools/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <herd>crypto</herd>
  <longdescription>User tools for PC/SC SmartCard access (including pcsc_scan and the gscriptor GUI).</longdescription>

  <use>
    <flag name='network-cron'>Monthly cronjob the update-smartcard_list script</flag>
  </use>
</pkgmetadata>