app-admin/sudo/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>base-system@gentoo.org</email>
    <name>Gentoo Base System</name>
  </maintainer>
  <longdescription lang="en">
    Sudo (superuser do) allows a system administrator to give certain
    users (or groups of users) the ability to run some (or all)
    commands as root or another user while logging the commands and
    arguments.
  </longdescription>
  <use>
	<flag name="gcrypt">
		Use SHA2 from <pkg>dev-libs/libgcrypt</pkg>
		instead of sudo's internal SHA2.
	</flag>
	<flag name="offensive">
		Let sudo print insults when the user types the wrong password.
	</flag>
	<flag name="openssl">
		Use SHA2 from <pkg>dev-libs/openssl</pkg>
		instead of sudo's internal SHA2.
	</flag>
	<flag name="sendmail">
		Allow sudo to send emails with sendmail.
	</flag>
  </use>
  <upstream>
    <remote-id type="cpe">cpe:/a:todd_miller:sudo</remote-id>
  </upstream>
</pkgmetadata>