File _constraints of Package openmw

<constraints>
  <hardware>
    <memory>
      <size unit="G">4</size>
    </memory>
  </hardware>
<overwrite>
  <conditions>
    <arch>ppc64</arch>
    <arch>ppc64le</arch>
  </conditions>
  <hardware>
    <disk>
      <size unit="G">5</size>
    </disk>
    <memory>
      <size unit="G">5</size>
    </memory>
  </hardware>
</overwrite>
</constraints>