[MacPorts] #67384: gcc10-bootstrap @10.4.0 again broken on Rosetta due to attempting to build ppc64

[MacPorts]

#67384: gcc10-bootstrap @10.4.0 again broken on Rosetta due to attempting to build
ppc64
------------------------------+-------------------------------------------
  Reporter:  barracuda156     |      Owner:  catap
      Type:  defect           |     Status:  closed
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.8.1
Resolution:  fixed            |   Keywords:  powerpc, snowleopard, rosetta
      Port:  gcc10-bootstrap  |
------------------------------+-------------------------------------------

Comment (by barracuda156):

 Is there a way to build it as `i386 + ppc` on an i386 hardware? I.e.
 disable 64-bit completely.

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Ticket URL: <https://trac.macports.org/ticket/67384#comment:11>
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