gentoo-overlay/sys-apps/lm_sensors/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="person">
    <email>polynomial-c@gentoo.org</email>
    <name>Lars Wendler</name>
  </maintainer>
  <use>
    <flag name="sensord">Enable sensord - a daemon that can be used to
			periodically log sensor readings from hardware health-monitoring
			chips</flag>
  </use>
</pkgmetadata>