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>
	<maintainer type="project">
		<email>qt@gentoo.org</email>
		<name>Gentoo Qt Project</name>
	</maintainer>
	<use>
		<flag name="old-kernel" restrict="&lt;dev-qt/qtcore-5.15.0">Disable syscalls not available on Linux kernels older than 3.17</flag>
		<flag name="old-kernel" restrict="&gt;=dev-qt/qtcore-5.15.0">Disable syscalls not available on Linux kernels older than 4.11</flag>
		<flag name="systemd">Enable native journald logging support</flag>
	</use>
	<upstream>
		<bugs-to>https://bugreports.qt.io/</bugs-to>
		<doc>https://doc.qt.io/</doc>
	</upstream>
	<slots>
		<subslots>
			Must only be used by packages that are known to use private parts of the Qt API.
		</subslots>
	</slots>
</pkgmetadata>