[MacPorts] #37687: ROOT Update to fix various minor issues

[MacPorts]

#37687: ROOT Update to fix various minor issues
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 Reporter:  jonesc@…             |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:
 Keywords:  haspatch maintainer  |       Port:  root
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 Hi,

 The attached patch fixes a couple of minor issues

 . Fixes the genreflex script (installed by the various python variants)
 which contained an incorrect path

 . Make it possible to use the PyRoot interface without the user having to
 manually set PYTHONPATH. Fixes ticket #37673

 . Remove the --with-clang option, as it is not needed when the ld,cc and
 cxx options are set, and can actually interfere in some cases.

 I also cleaned out the commented cling variant, as this is unlikely to
 ever work in the current ROOT 5 series. I'm working on a root-devel port
 that builds the ROOT 6 development SVN versions, where cling is the
 default interpreter...

 cheers Chris

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Ticket URL: <https://trac.macports.org/ticket/37687>
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