gentoo-overlay/media-sound/podcatcher/metadata.xml

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <herd>sound</herd>
  <longdescription lang="en">
  </longdescription>
  <use>
    <flag name="bittorrent">Enable support for bittorrent downloads</flag>
  </use>
</pkgmetadata>