[MacPorts] #61635: calc-2.12.6.8 errors calling __builtin___memmove_chk when building with Big Sur/Xcode 12.2

[MacPorts]

#61635: calc-2.12.6.8 errors calling __builtin___memmove_chk when building with Big
Sur/Xcode 12.2
----------------------------+---------------------
  Reporter:  leuliett       |      Owner:  (none)
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.6.4
Resolution:                 |   Keywords:  Big Sur
      Port:  calc-2.12.6.8  |
----------------------------+---------------------
Changes (by leuliett):

 * port:   => calc-2.12.6.8


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Ticket URL: <https://trac.macports.org/ticket/61635#comment:1>
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