gentoo-overlay/dev-php/pecl-redis/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="project">
		<email>php-bugs@gentoo.org</email>
		<name>PHP</name>
	</maintainer>
	<use>
		<flag name="igbinary">Enables igbinary serialisation support</flag>
		<flag name="json">Enables json serializer support</flag>
	</use>
</pkgmetadata>