gentoo-overlay/net-voip/gnugk/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <!-- maintainer-needed -->
  <use>
    <flag name="ssh">Enable support for SSH port forwarding using <pkg>net-libs/libssh</pkg></flag>
  </use>
  <upstream>
    <remote-id type="sourceforge">openh323gk</remote-id>
  </upstream>
</pkgmetadata>