gentoo-overlay/app-office/libreoffice/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>office@gentoo.org</email>
    <name>Gentoo Office project</name>
  </maintainer>
  <longdescription>LibreOffice is the successor of OpenOffice.org. 
This ebuild allows you to compile it yourself. Unfortunately this 
compilation can take up to a day depending on the speed of your 
computer. It will however make a snappier LibreOffice than the binary 
version</longdescription>
  <use>
    <flag name="coinmp">Use sci-libs/coinor-mp as alternative solver</flag>
    <flag name="collada">Enable Collada for rendering 3D models stored in *.dae and *.kmz format</flag>
    <flag name="gltf">Use media-libs/libgltf for inserting 3D models in the glTF format into presentations</flag>
    <flag name="googledrive">Enable support for remote files on Google Drive</flag>
    <flag name="gtk3">Enable highly experimental gtk3 frontend</flag>
    <flag name="jemalloc">Use <pkg>dev-libs/jemalloc</pkg> for allocations</flag>
    <flag name="odk">Build the Office Development Kit</flag>
    <flag name="pdfimport">Enable PDF import via the Poppler library</flag>
    <flag name="quickstarter">Build the system tray quickstarter</flag>
    <flag name="vlc">Use <pkg>media-video/vlc</pkg> for video embedding</flag>
  </use>
</pkgmetadata>