gentoo-overlay/dev-php/maxmind-db-reader/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>php-bugs@gentoo.org</email>
    <name>PHP</name>
  </maintainer>
  <maintainer type="person">
    <email>mjo@gentoo.org</email>
    <name>Michael Orlitzky</name>
  </maintainer>
   <use>
    <flag name="extension">
      Build the C extension that uses <pkg>dev-libs/libmaxminddb</pkg>
    </flag>
  </use>
  <upstream>
    <remote-id type="github">maxmind/MaxMind-DB-Reader-php</remote-id>
  </upstream>
</pkgmetadata>