File _constraints of Package ardour

<constraints>
  <hardware>
    <disk>
      <size unit="G">3</size>
    </disk>
    <memory>
      <size unit="G">3</size>
    </memory>
    <processors>4</processors>
  </hardware>
  <overwrite>
    <conditions>
      <arch>aarch64</arch>
    </conditions>
    <hardware>
      <memory>
        <size unit="G">4</size>
      </memory>
    </hardware>
  </overwrite>
  <!-- Memory usage varies a lot on TW/x86_64 -->
  <overwrite>
    <conditions>
      <arch>x86_64</arch>
    </conditions>
    <hardware>
      <memory>
        <size unit="G">8</size>
      </memory>
    </hardware>
  </overwrite>
  <overwrite>
    <conditions>
      <arch>ppc64le</arch>
      <arch>ppc64</arch>
    </conditions>
    <hardware>
      <memory>
        <size unit="M">6500</size>
      </memory>
    </hardware>
  </overwrite>
</constraints>