gentoo-overlay/dev-db/unixODBC/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <!--maintainer-needed-->
  <use>
    <flag name="minimal">Disable bundled drivers and extra libraries (most users don't need these)</flag>
    <flag name="odbcmanual">Administrator, Internal Structure, Programmer and User documentation</flag>
  </use>
</pkgmetadata>