gentoo-overlay/media-video/nvidia_video_sdk/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="project">
		<email>media-video@gentoo.org</email>
	</maintainer>
	<use>
		<flag name="tools">Build and install example tools.</flag>
	</use>
</pkgmetadata>