gentoo-overlay/dev-lang/gforth/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer>
    <email>maintainer-needed@gentoo.org</email>
  </maintainer>
<use>
  <flag name='force-reg'>Enable a possibly unstable GCC flag for possibly large performance gains</flag>
</use>
</pkgmetadata>