gentoo-overlay/dev-java/icedtea-bin/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <herd>java</herd>
<use>
  <flag name="awt">Install non-headless AWT libraries, needed by some GUIs (used to be X flag)</flag>
  <flag name="webstart">Provide javaws command through symlink to icedtea-web</flag>
</use>
</pkgmetadata>