[MacPorts] #59772: python38: fails on Leopard: Undefined symbols: :info:build "_pthread_threadid_np"

[MacPorts]

#59772: python38: fails on Leopard: Undefined symbols: :info:build
"_pthread_threadid_np"
-----------------------+---------------------------
  Reporter:  kencu     |      Owner:  jmroot
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  leopard tiger
      Port:  python38  |
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Comment (by kencu):

 I copied exactly the exact same call block python uses now on linux, in
 the same file -- see the lines immediately above (in the first) and below
 (in the second).

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Ticket URL: <https://trac.macports.org/ticket/59772#comment:5>
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