[MacPorts] #22557: MacPorts base should verify build_arch has a sensible value

[MacPorts]

#22557: MacPorts base should verify build_arch has a sensible value
-------------------------+--------------------------------
  Reporter:  ryandesign  |      Owner:  macports-tickets@…
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:  MacPorts 2.7.0
 Component:  base        |    Version:  1.8.1
Resolution:  fixed       |   Keywords:
      Port:              |
-------------------------+--------------------------------
Changes (by jmroot):

 * status:  new => closed
 * resolution:   => fixed
 * milestone:  MacPorts Future => MacPorts 2.7.0


Comment:

 We're basically doing this as of [c91081d2ffab6e1cd8ce2f3033c0fe7be831171f
 /macports-base].

 {{{
 % sudo port build testport2 build_arch=x87_64
 Password:
 Error: testport2 cannot be installed for the configured build_arch
 'x87_64' because it is not supported.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/22557#comment:7>
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