gentoo-overlay/app-office/mdbtools/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<!-- maintainer-needed -->
	<use>
		<flag name="glib">Use functions provided by <pkg>dev-libs/glib</pkg>, not built-in</flag>
	</use>
	<upstream>
		<remote-id type="github">mdbtools/mdbtools</remote-id>
	</upstream>
</pkgmetadata>