[MacPorts] #55415: cmake @3.10.0 does not build on PPC Tiger, Mac OS X 10.4.11, because error: void value not ignored as it ought to be

[MacPorts]

#55415: cmake @3.10.0 does not build on PPC Tiger, Mac OS X 10.4.11, because error:
void value not ignored as it ought to be
------------------------+-----------------------
  Reporter:  ballapete  |      Owner:  michaelld
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.4.2
Resolution:             |   Keywords:  tiger
      Port:  cmake      |
------------------------+-----------------------

Comment (by kencu):

 OK. Thanks for trying. For now, I'd suggest you can peg at cmake 3.9.6 -
 it should work for many years to come. If you can sort out how to to fix
 this, that would be great! Otherwise I will dig into this error in due
 course on my Tiger machine.

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Ticket URL: <https://trac.macports.org/ticket/55415#comment:8>
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