[MacPorts] #40238: ROOT Update to fix C++11 and gfortran issues

[MacPorts]

#40238: ROOT Update to fix C++11 and gfortran issues
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  Reporter:  jonesc@…  |      Owner:  macports-tickets@…
      Type:  update    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.2.0
Resolution:            |   Keywords:  haspatch maintainer
      Port:  root      |
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Comment (by jonesc@…):

 I provide a variant for the same reason as providing various different gcc
 and clang vesions. ROOT provides an interactive build environment, and
 thus the USER might have a particular reason to select a certain compiler.
 In the same way the user might not want to enabled c++11 in that in build
 environment, and as this environment is defined by the compiler used to
 build ROOT, a variant is needed to turn it off if required.

 I can only test on OSX10.8, nothing older, as I do not have access to
 those OSes. On OSX10.8 though, the variant works fine enabled with all the
 compilers I can test. For those that do not support c++11, the features
 are just disabled automatically. If someone else wants to check on older
 OSX versions, that would be great.

 Chris

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Ticket URL: <https://trac.macports.org/ticket/40238#comment:2>
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