gentoo-overlay/www-servers/fnord/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer>
	<email>maintainer-needed@gentoo.org</email>
</maintainer>
	<use>
		<flag name='auth'>Enable HTTP authentication support</flag>
	</use>
</pkgmetadata>