[MacPorts] #54656: watchman 4.9.0 missing pkgconfig dependency

[MacPorts]

#54656: watchman 4.9.0 missing pkgconfig dependency
---------------------+----------------------
 Reporter:  jsg2021  |      Owner:
     Type:  defect   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.4.1
 Keywords:           |       Port:  watchman
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 If you happen to not have pkg-config installed, watchman 4.9.0 fails to
 build because it does not declare pkgconfig as a dependency.

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Ticket URL: <https://trac.macports.org/ticket/54656>
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