[MacPorts] #60399: R @3.6.3_1 fails building on 10.5.8

[MacPorts]

#60399: R @3.6.3_1 fails building on 10.5.8
-------------------------+------------------------
  Reporter:  udbraumann  |      Owner:  i0ntempest
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.6.2
Resolution:              |   Keywords:  leopard
      Port:  R           |
-------------------------+------------------------

Comment (by i0ntempest):

 I've opened a PR to update to 4.0.0, can you try to see if it builds? If
 it does I'll close this in that PR.

-- 
Ticket URL: <https://trac.macports.org/ticket/60399#comment:4>
MacPorts <https://www.macports.org/>
Ports system for macOS