[MacPorts] #64167: R-app does not build for PowerPC 10.5.8

[MacPorts]

#64167: R-app does not build for PowerPC 10.5.8
--------------------------+--------------------
 Reporter:  barracuda156  |      Owner:  (none)
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.7.1
 Keywords:  r             |       Port:  R-app
--------------------------+--------------------
 It doesn't even try to:

 36-9:~ arjuna$ sudo port -v install R-app
 Error: R-app cannot be installed for the configured build_arch 'ppc'
 because it only supports the arch(s) 'x86_64 arm64'.
 Error: Follow https://guide.macports.org/#project.tickets if you believe
 there is a
 bug.
 Error: Processing of port R-app failed

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Ticket URL: <https://trac.macports.org/ticket/64167>
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