[MacPorts] #59832: cmake 3.16.0: does not build on PPC Mac OS X 10.5.8, "Bus Error"

[MacPorts]

#59832: cmake 3.16.0: does not build on PPC Mac OS X 10.5.8, "Bus Error"
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  Reporter:  timishimuni  |      Owner:  michaelld
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.6.2
Resolution:               |   Keywords:  leopard
      Port:  cmake        |
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Comment (by kencu):

 So it takes a while, but now I can also confirm the same thing happens
 with cmake and libgcc7 7.5.0 on 10.4 Intel.

 So it looks like not just PPC, and 10.4 also. Unless I (or someone) can
 come up with something clever, we'll be rolling back gcc7/libgcc7 to 7.4.0
 at least on 10.5 and less.

 I haven't tried any systems 10.6,7,8 building using -stdlib=libstdc++, but
 they may well also be affected.

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Ticket URL: <https://trac.macports.org/ticket/59832#comment:20>
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