[MacPorts] #61584: Use deployment target 10.16 on Big Sur

[MacPorts]

#61584: Use deployment target 10.16 on Big Sur
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  Reporter:  ryandesign   |      Owner:  (none)
      Type:  enhancement  |     Status:  new
  Priority:  High         |  Milestone:  MacPorts 2.7.0
 Component:  base         |    Version:  2.6.4
Resolution:               |   Keywords:  bigsur
      Port:               |
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Comment (by kencu):

 it only takes 10 seconds, right -- one liner in macports.conf.

 but -- would that make base start looking for {{{MacOSX10.16.sdk}}}?

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Ticket URL: <https://trac.macports.org/ticket/61584#comment:3>
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