gentoo-overlay/app-portage/portage-utils/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="person">
		<email>grobian@gentoo.org</email>
		<name>Fabian Groffen</name>
	</maintainer>
	<use>
		<flag name="qmanifest">Build qmanifest applet, this adds additional dependencies for GPG, OpenSSL and BLAKE2B hashing</flag>
	</use>
</pkgmetadata>