gentoo-overlay/sys-fs/aufs3/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer>
    <email>jlec@gentoo.org</email>
  </maintainer>
  <use>
    <flag name="debug">Enable additional debugging support</flag>
    <flag name="hfs">Enable hfs support</flag>
    <flag name="fuse">Enable fuse support</flag>
    <flag name="inotify">Enable inotify support</flag>
    <flag name="kernel-patch">Patch the current kernel for aufs3 support</flag>
    <flag name="nfs">Enable support for nfs export</flag>
    <flag name="pax_kernel">Apply patch needed for pax enabled kernels</flag>
    <flag name="ramfs">Enable initramfs/rootfs support</flag>
  </use>
  <upstream>
    <remote-id type="sourceforge">aufs</remote-id>
  </upstream>
</pkgmetadata>