[MacPorts] #71859: boost187 build error: pid.cpp: error: 'PROC_PPID_ONLY' was not declared in this scope

[MacPorts]

#71859: boost187 build error: pid.cpp: error: 'PROC_PPID_ONLY' was not declared in
this scope
---------------------------+--------------------
  Reporter:  barracuda156  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.10.5
Resolution:                |   Keywords:
      Port:  boost187      |
---------------------------+--------------------

Comment (by barracuda156):

 This is probably old, but also should be fixed:
 https://github.com/boostorg/process/issues/453

-- 
Ticket URL: <https://trac.macports.org/ticket/71859#comment:2>
MacPorts <https://www.macports.org/>
Ports system for macOS