[MacPorts] #53018: mercurial @4.0.1: error: $MACOSX_DEPLOYMENT_TARGET mismatch: now "10.9" but "10.11" during configure (was: error: $MACOSX_DEPLOYMENT_TARGET mismatch: now "10.9" but "10.11" during configure)

[MacPorts]

#53018: mercurial @4.0.1: error: $MACOSX_DEPLOYMENT_TARGET mismatch: now "10.9" but
"10.11" during configure
------------------------+------------------------
  Reporter:  yabba      |      Owner:  seanfarley
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.3.5
Resolution:             |   Keywords:
      Port:  mercurial  |
------------------------+------------------------

Comment (by ryandesign):

 Is there anything unusual about your setup? Any thing that might explain
 why this happens for you but not for others?

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Ticket URL: <https://trac.macports.org/ticket/53018#comment:2>
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