gentoo-overlay/sys-apps/kexec-tools/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>base-system@gentoo.org</email>
    <name>Gentoo Base System</name>
  </maintainer>
  <use>
    <flag name="lzma">Enables support for LZMA compressed kernel images</flag>
    <flag name="booke">Include support for Book-E memory management</flag>
    <flag name="xen">Enable extended xen support</flag>
  </use>
</pkgmetadata>