gentoo-overlay/dev-libs/libgdata/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
	<email>gnome@gentoo.org</email>
	<name>Gentoo GNOME Desktop</name>
</maintainer>
<use>
	<flag name="crypt">Use <pkg>app-crypt/gcr</pkg> for keeping tokens and passwords in non-pageable memory for improved security</flag>
	<flag name="gnome-online-accounts">Enable <pkg>net-libs/gnome-online-accounts</pkg> support</flag>
</use>
</pkgmetadata>