[MacPorts] #57356: libgcc8 @8.2.0.1 fails to build on Mojave with "C compiler cannot create executables"

[MacPorts]

#57356: libgcc8 @8.2.0.1 fails to build on Mojave with "C compiler cannot create
executables"
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  Reporter:  p-vitt   |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.5.4
Resolution:           |   Keywords:  mojave
      Port:  libgcc8  |
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Comment (by p-vitt):

 Thanks for the fast reply.

 {{{/opt/local/bin/gnm is provided by: binutils}}}

 I'll give it a try with disabled binutils right now. Accordings to the
 time it is already (and still) running, this seems to have done the trick.
 Also tailing the main.log looks promising. Thanks a lot.

 So, question is: Was this my fault? Could I somehow have prevented or
 foreseen this?

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Ticket URL: <https://trac.macports.org/ticket/57356#comment:4>
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