[MacPorts] #57253: TeXShop4 fails upgrade 10.13.6

[MacPorts]

#57253: TeXShop4 fails upgrade 10.13.6
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  Reporter:  basmac    |      Owner:  Schamschula
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  TeXShop4  |
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Comment (by basmac):

 We have Xcode 9.4 and CLT for that version.

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Ticket URL: <https://trac.macports.org/ticket/57253#comment:3>
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