gentoo/dev-db/pgbouncer/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="project">
		<email>pgsql-bugs@gentoo.org</email>
		<name>PostgreSQL</name>
	</maintainer>
	<use>
		<flag name="c-ares">
			Use c-ares as the DNS backend instead of evdns (libevent).
		</flag>
	</use>
</pkgmetadata>