[MacPorts] #66482: diffutils @3.8 do not build on PPC Tiger, Mac OS X 10.4.11, because 'struct mcontext' has no member named '__ss'

[MacPorts]

#66482: diffutils @3.8 do not build on PPC Tiger, Mac OS X 10.4.11, because 'struct
mcontext' has no member named '__ss'
------------------------+-----------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.8.0
Resolution:             |   Keywords:  tiger ppc
      Port:  diffutils  |
------------------------+-----------------------

Comment (by ballapete):

 How can I make the compiler invocations visible? If I could see what the
 compiler is doing I could persuade it to just pre-compile the source file
 to see what is actually complaining about.

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Ticket URL: <https://trac.macports.org/ticket/66482#comment:1>
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