[MacPorts] #67784: R-s2 @1.1.4: Build failure

[MacPorts]

#67784: R-s2 @1.1.4: Build failure
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  Reporter:  ryandesign  |      Owner:  barracuda156
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.8.1
Resolution:              |   Keywords:  lion mountainlion mavericks
      Port:  R-s2        |  yosemite
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Comment (by barracuda156):

 Replying to [ticket:67784 ryandesign]:
 > R-s2 @1.1.4 failed to build on the 10.7–10.10 buildbot workers two
 months ago. Logs have expired so I've scheduled new builds. There is a
 backlog of builds so it may take a day for it to get to those builds.

 But it was building on 10.6 Intel? I think all those should be using the
 same Clang, after we blacklisted Xcode ones in R PG, so no idea, honestly,
 why it would fail.

 For the record, s2 is a tricky thing: I failed to fix it on Rosetta, for
 example, though it builds now on PPC natively.
 There is a discussion with upstream:
 https://github.com/google/s2geometry/issues/315

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Ticket URL: <https://trac.macports.org/ticket/67784#comment:1>
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