gentoo-overlay/sys-apps/systemd/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer>
		<email>systemd@gentoo.org</email>
		<name>Gentoo systemd team</name>
	</maintainer>
	<use>
		<!-- XXX: describe those two better -->
		<flag name='audit'>Enable support for <pkg>sys-process/audit</pkg></flag>
		<flag name='cryptsetup'>Use libcryptsetup</flag>
		<flag name='firmware-loader'>Enable user-space firmware loader (for kernels prior to 3.8)</flag>
		<flag name='gcrypt'>Enable sealing of journal files using gcrypt</flag>
		<flag name="gudev">enable libudev gobject interface</flag>
		<flag name='http'>Enable embedded HTTP server in journald</flag>
		<flag name="keymap">Map custom hardware's multimedia keys</flag>
		<flag name='kdbus'>Connect to kernel dbus (KDBUS) instead of userspace dbus if available</flag>
		<flag name='kmod'>Enable kernel module loading via <pkg>sys-apps/kmod</pkg></flag>
		<flag name='openrc'>Depend on <pkg>sys-fs/udev-init-scripts</pkg></flag>
		<flag name='qrcode'>Enable qrcode output support in journal</flag>
		<flag name='vanilla'>Disable Gentoo-specific behavior and compatibility quirks</flag>
	</use>
</pkgmetadata>