gentoo-overlay/app-alternatives/awk/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="project">
		<email>base-system@gentoo.org</email>
		<name>Gentoo Base System</name>
	</maintainer>
	<maintainer type="person">
		<email>mgorny@gentoo.org</email>
		<name>Michał Górny</name>
	</maintainer>
	<use>
		<flag name="busybox">
			Symlink to <pkg>sys-apps/busybox</pkg>
		</flag>
		<flag name="gawk">
			Symlink to <pkg>sys-apps/gawk</pkg>
		</flag>
		<flag name="mawk">
			Symlink to <pkg>sys-apps/mawk</pkg> (warning: mawk is
			not fully POSIX-compliant)
		</flag>
		<flag name="nawk">
			Symlink to <pkg>sys-apps/nawk</pkg>
		</flag>
	</use>
</pkgmetadata>