File archsets.inc of Package _product

<archsets>
      <archset name="i586" productarch="i586">
        <arch>i586</arch>
        <arch>i686</arch>  <!-- i686 is fallback of i586 because we have some optional packages for i686 only -->
        <arch>noarch</arch>
      </archset>

      <archset name="i686" productarch="i686">
        <arch>i686</arch>
        <arch>i586</arch>
        <arch>i486</arch>
        <arch>i386</arch>
        <arch>noarch</arch>
      </archset>

      <archset name="x86_64" productarch="x86_64">
        <arch>x86_64</arch>
        <arch>i686</arch>
        <arch>i586</arch>
        <arch>i486</arch>
        <arch>i386</arch>
        <arch>noarch</arch>
      </archset>

      <archset name="ppc" productarch="ppc">
        <arch>ppc</arch>
        <arch>noarch</arch>
      </archset>
    </archsets>