gentoo-overlay/dev-libs/pkcs11-helper/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="nss">Enable NSS crypto engine</flag>
	</use>
	<upstream>
		<remote-id type="cpe">cpe:/a:opensc-project:opensc</remote-id>
		<remote-id type="sourceforge">opensc</remote-id>
		<remote-id type="github">OpenSC/pkcs11-helper</remote-id>
	</upstream>
</pkgmetadata>