[MacPorts] #69173: port fails to upgrade itself

[MacPorts]

#69173: port fails to upgrade itself
-------------------------+------------------------
  Reporter:  mouse07410  |      Owner:  mouse07410
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  base        |    Version:  2.9.0
Resolution:  invalid     |   Keywords:
      Port:              |
-------------------------+------------------------
Changes (by kencu):

 * status:  assigned => closed
 * resolution:   => invalid


Comment:

 people mess up so often by having different xcode and clt versions
 installed.

 macports should almost refuse to run if it detects this.

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Ticket URL: <https://trac.macports.org/ticket/69173#comment:11>
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