gentoo-overlay/dev-qt/qtcore/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<herd>qt</herd>
	<use>
		<flag name="exceptions">Add support for exceptions - like catching them
			inside the event loop (recommended by upstream)</flag>
		<flag name="glib">Enable <pkg>dev-libs/glib</pkg> eventloop support</flag>
		<flag name="qt3support">Enable the Qt3Support libraries for Qt4. Note that
			this does not mean you can compile pure Qt3 programs with Qt4.</flag>
	</use>
	<upstream>
		<bugs-to>https://bugreports.qt.io/</bugs-to>
		<doc>http://doc.qt.io/</doc>
	</upstream>
</pkgmetadata>