[MacPorts] #65306: watchman: multiple dependencies failing for 10.14 and earlier: invalid output constraint '=@ccc' in asm

[MacPorts]

#65306: watchman: multiple dependencies failing for 10.14 and earlier: invalid
output constraint '=@ccc' in asm
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  Reporter:  mascguy                              |      Owner:  danchr
      Type:  defect                               |     Status:  assigned
  Priority:  Normal                               |  Milestone:
 Component:  ports                                |    Version:  2.7.2
Resolution:                                       |   Keywords:
      Port:  watchman fizz fbthrift fb303 wangle  |
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Comment (by mascguy):

 Yep, so the bottom line is that `watchman` and the four other dependents
 mentioned, all need the same fix. (Essentially all of the Facebook-
 provided components.)

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Ticket URL: <https://trac.macports.org/ticket/65306#comment:7>
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