[MacPorts] #56944: Error: Failed to build ld64-127: command execution failed

[MacPorts]

#56944: Error: Failed to build ld64-127: command execution failed
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  Reporter:  mrkapqa   |      Owner:  jeremyhu
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.5.3
Resolution:            |   Keywords:
      Port:  ld64-127  |
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Comment (by snunez1):

 I have just updated the sequence I followed for clarity.

 The build has succeeded. The key was your comment 'disable revdep'. It
 took me a while to understand what that might mean. In the end I kept
 answering 'no' to any 'rev-upgrade' questions and, eventually, everything
 succeeded.

 It might be useful to mention this in the wiki page, or add an option to
 the 'port install' command, if there is one, to disable rev-upgrade.

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Ticket URL: <https://trac.macports.org/ticket/56944#comment:11>
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