gentoo-overlay/dev-libs/xml-security-c/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="project">
		<email>cpp@gentoo.org</email>
		<name>Gentoo C++ Project</name>
	</maintainer>
	<use>
		<flag name="xalan">Enable support for XSLT and XPath parsing 
			by <pkg>dev-libs/xalan-c</pkg></flag>
		<flag name="nss">Use <pkg>dev-libs/nss</pkg> for certain crypto
			operations (configureable at runtime)</flag>
	</use>
</pkgmetadata>