gentoo-overlay/app-admin/elektra/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<!-- maintainer-needed -->
	<use>
		<flag name="augeas">Enable plugin for reading and writing configuration files with help from Augeas</flag>
		<flag name="ini">Enable new, advanced ini support</flag>
		<flag name="simpleini">Enable simpleini support</flag>
		<flag name="uname">Enable uname information for the key database</flag>
		<flag name="yajl">Enable yajl support</flag>
	</use>
</pkgmetadata>