[MacPorts] #42841: Failure upgrading clhep

[MacPorts]

#42841: Failure upgrading clhep
--------------------------------+---------------------
  Reporter:  graziosi.angelo@…  |      Owner:  mojca@…
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:
Resolution:                     |   Keywords:
      Port:  clhep              |
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Comment (by ryandesign@…):

 I'll reproduce here some information I sent to Mojca by email:

 > I am also able to reproduce the issue on Mavericks with Xcode 5.1 which
 has this version of clang:
 >
 > {{{
 > Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
 > }}}
 >
 > The problem also occurs with `configure.compiler=macports-clang-3.4`.
 >
 > The build succeeds using `configure.compiler=macports-clang-3.3`.
 >
 > This suggests that you should be able to reproduce the issue on other OS
 X versions using `configure.compiler=macports-clang-3.4`, and that the
 developer could reproduce the issue on Linux or whatever by using clang
 3.4. It does not sound like a MacPorts or Mac-specific issue; in your bug
 report I would just mention the clang versions and not mention MacPorts or
 OS X.
 >
 > You should be able to make the build work on Mavericks by blacklisting
 newer versions of clang:
 >
 > {{{
 > PortGroup compiler_blacklist_versions 1.0
 > …
 > compiler.blacklist {clang > 503} macports-clang-3.4 macports-clang-3.5
 > }}}
 >
 > Additionally, this does not mean this is “clang’s fault”. New versions
 of clang often include new errors and warnings, and this often indicates a
 subtle problem with the project’s source code that should be corrected,
 not a bug in clang.

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Ticket URL: <https://trac.macports.org/ticket/42841#comment:6>
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