gentoo-overlay/sys-apps/gawk/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>
<use>
	<flag name="mpfr">use mpfr for high precision arithmetic (-M / --bignum)</flag>
</use>
</pkgmetadata>