[MacPorts] #59243: clang-9.0 dependency error in macOS 10.15

[MacPorts]

#59243: clang-9.0 dependency error in macOS 10.15
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  Reporter:  jerryzj    |      Owner:  jeremyhu
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.1
Resolution:             |   Keywords:
      Port:  clang-9.0  |
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Comment (by jerryzj):

 kencu, thanks, I see.

 But my question is, why do we need cctools? Before we installing MacPorts,
 we already have ar, as and ld installed...

 I think this dependency requirement is nonsense.

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Ticket URL: <https://trac.macports.org/ticket/59243#comment:4>
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