[MacPorts] #53053: atlas build fail -- Xcode can't create dynamic library?

[MacPorts]

#53053: atlas build fail -- Xcode can't create dynamic library?
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  Reporter:  Zippyzip  |      Owner:
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.5
Resolution:            |   Keywords:  xcode dynamic library fortran
      Port:  atlas     |
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Comment (by Zippyzip):

 My apologies, it seems the problem is not related to Xcode but to
 gcc/gfortran. I still don't understand why libgfortran is a dead symlink
 on my installation, looking into it.

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Ticket URL: <https://trac.macports.org/ticket/53053#comment:1>
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