gentoo-overlay/app-arch/gzip/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>
<upstream>
 <remote-id type="cpe">cpe:/a:gnu:gzip</remote-id>
</upstream>
<use>
<flag name="pic">disable optimized assembly code that is not PIC friendly</flag>
</use>
</pkgmetadata>