gentoo-overlay/app-misc/lirc/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="hardware-carrier">The transmitter device generates its clock
    signal in hardware</flag>
		<flag name="transmitter">Add transmitter support to some lirc-drivers
    (e.g. serial)</flag>
	</use>
	<upstream>
		<remote-id type="sourceforge">lirc</remote-id>
	</upstream>
</pkgmetadata>