gentoo-overlay/app-text/qpdfview/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="fitz">Use experimental fitz rendering, provided by <pkg>app-text/mupdf</pkg>,
			instead of poppler</flag>
		<flag name="synctex">Add support for searching TeX sources</flag>
	</use>
	<upstream>
		<remote-id type="launchpad">qpdfview</remote-id>
	</upstream>
</pkgmetadata>