gentoo-overlay/games-emulation/zsnes/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <herd>games</herd>
  <use>
    <flag name='debug'>Enable the builtin debugger</flag>
    <flag name='pax_kernel'>Triggers a paxmarking of the binary</flag>
  </use>
</pkgmetadata>