gentoo-overlay/dev-java/jdbc-oracle-bin/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>java@gentoo.org</email>
    <name>Java</name>
  </maintainer>
  <use>
    <flag name="dms">Enable support for the Oracle Dynamic Monitoring Service</flag>
    <flag name="ons">Enable support for the Oracle Notification Services (ONS) deamon</flag>
  </use>
</pkgmetadata>