[MacPorts] #71711: portindex: allow thread count override via new macports.conf property (was: portindex: allow thread count override via cmdline param and new macports.conf property)

[MacPorts]

#71711: portindex: allow thread count override via new macports.conf property
--------------------------+----------------------
  Reporter:  mascguy      |      Owner:  (none)
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:  2.10.5
Resolution:               |   Keywords:
      Port:  portindex    |
--------------------------+----------------------

-- 
Ticket URL: <https://trac.macports.org/ticket/71711#comment:4>
MacPorts <https://www.macports.org/>
Ports system for macOS