metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="person">
		<email>nicolasbock@gentoo.org</email>
		<name>Nicolas Bock</name>
	</maintainer>
	<use>
		<flag name="berkdb">Enable BDB (Berkley DB) backend for header
			caching</flag>
		<flag name="gdbm">Enable GDBM (GNU dbm) backend for header
			caching</flag>
		<flag name="kyotocabinet">Enable Kyoto Cabinet database backend for
			header caching</flag>
		<flag name="lmdb">Enable LMDB (Lightning Memory-Mapped Database)
			backend for header caching</flag>
		<flag name="notmuch">Enable support for
			<pkg>net-mail/notmuch</pkg></flag>
		<flag name="qdbm">Enable QDBM (Quicker Database Manager) database
			backend for header caching</flag>
		<flag name="tokyocabinet">Enable Tokyo Cabinet database backend for
			header caching</flag>
		<flag name="crypt">Add support for encryption -- using mcrypt or gpg
			where applicable</flag>
		<flag name="pgp_classic">Build classic_pgp backend to support PGP/MIME
			and traditional/inline PGP</flag>
		<flag name="gpg">Enable support for <pkg>app-crypt/gpgme</pkg></flag>
		<flag name="gpgme">Build gpgme backend to support S/MIME, PGP/MIME and
			traditional/inline PGP</flag>
		<flag name="smime">Enable support for smime</flag>
		<flag name="smime_classic">Build classic_smime backend to support
			S/MIME</flag>
	</use>
</pkgmetadata>