gentoo-overlay/net-print/fax4cups/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<herd>printing</herd>
<use>
    <flag name="hylafax">Install net-misc/hylafax backend</flag>
    <flag name="efax">Install net-misc/efax backend</flag>
    <flag name="mgetty-fax">Install net-dialup/mgetty backend</flag>
    <flag name="capisuite-fax">Install net-dialup/capisuite backend</flag>
</use>
</pkgmetadata>