gentoo-overlay/app-emulation/emul-linux-x86-qtlibs/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer>
		<email>multilib@gentoo.org</email>
		<name>Gentoo multilib project</name>
	</maintainer>
	<use>
		<flag name="development">Install pkgconfig files</flag>
		<flag name="gtkstyle">Build a Qt style called GTK+ that mimics
			the active GTK+ theme</flag>
	</use>
</pkgmetadata>