[MacPorts] #53471: Failed to build qhull

[MacPorts]

#53471: Failed to build qhull
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  Reporter:  gchinn  |      Owner:  mamoll
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.4.0
Resolution:          |   Keywords:  powerpc
      Port:  qhull   |
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Comment (by kencu):

 thanks. I sense your frustration. Macports tries hard to support this, but
 it is on a 'best effort' basis as having modern things run on PPC is a bit
 of a miracle. Still, and kudos to macports here, most things will run. You
 will need patience and some skills.

 1. please try to stick to the topic of the trac ticket. It's hard to help
 otherwise. For a new issue, open a new ticket or add to another one that
 already has the issue open.
 2. clang (all versions) are basically useless on PPC, for all intents and
 purposes. I am working on clang-3.8, with some progress, but I fear even
 that will be useless as it generates damaged code. So stick with gcc-4.2,
 llvm-gcc4.2, or newer version of gcc (they all work nicely, up to 6.x. I
 haven't tried 7 yet). clang-3.4 might get called in by accident (it works
 OK on Intel) -- sorry about that. Essentially, all PPC machines should
 blacklist clang. For now, you might need to override it, as I did in the
 qhull port above.
 3. expect problems and workarounds. Not many have PPC machines anymore, so
 nobody tests the ports on them.

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Ticket URL: <https://trac.macports.org/ticket/53471#comment:9>
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