[MacPorts] #52986: buildbot: don't add ports that declare not to support ppc to the build queue of 10.5-ppc

[MacPorts]

#52986: buildbot: don't add ports that declare not to support ppc to the build
queue of 10.5-ppc
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  Reporter:  mojca           |      Owner:  admin@…
      Type:  enhancement     |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  server/hosting  |    Version:
Resolution:                  |   Keywords:  buildbot
      Port:                  |
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Comment (by larryv):

 The build step that invokes `mpbb list-subports` can specify the
 architecture(s) it can build, and mpbb can compare that to the ports’
 `supported_archs` and filter appropriately.

 mpbb’s knowledge of which buildslaves we are running (and any limitations
 thereof) is needlessly tight coupling that we should eliminate.

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Ticket URL: <https://trac.macports.org/ticket/52986#comment:3>
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