[MacPorts] #57077: Error: Failed to build gcc47: on 10.12.6 with Xcode 9.0.1: error: non-local symbol required in directive (was: Error: Failed to build gcc47: command execution failed)

[MacPorts]

#57077: Error: Failed to build gcc47: on 10.12.6 with Xcode 9.0.1: error: non-local
symbol required in directive
------------------------+--------------------
  Reporter:  nbolyard   |      Owner:  (none)
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.5.3
Resolution:  duplicate  |   Keywords:
      Port:  gcc47      |
------------------------+--------------------

Comment (by kencu):

 {{{
 :info:build   :17   :  error: non-local symbol required in directive
 :info:build                     . n o^
 :info:build _dead_strip L_OBJC_Module
 }}}

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Ticket URL: <https://trac.macports.org/ticket/57077#comment:3>
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