gentoo-overlay/dev-php/eaccelerator/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <herd>php</herd>
  <use>
    <flag name="disassembler">Enable the eA disassembler</flag>
    <flag name="inode">Use inode-based caching</flag>
    <flag name="doccommentinclusion">If you want eAccelerator to retain
        doc-comments in  internal php structures.</flag>
  </use>
</pkgmetadata>