gentoo-overlay/media-libs/libggi/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>media-video@gentoo.org</email>
  </maintainer>
  <use>
    <flag name="3dfx">Enables support for Voodoo chipsets, also called
      3DFX and TDFX</flag>
    <flag name="vis">Enables sparc vis support for libggi</flag>
  </use>
  <upstream>
    <remote-id type="sourceforge">ggi</remote-id>
  </upstream>
</pkgmetadata>