[MacPorts] #43593: geant4: adding a variant for multithreading

[MacPorts]

#43593: geant4: adding a variant for multithreading
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  Reporter:  patrick.sizun@…  |      Owner:  mojca@…
      Type:  enhancement      |     Status:  new
  Priority:  Low              |  Milestone:
 Component:  ports            |    Version:  2.2.1
Resolution:                   |   Keywords:  haspatch
      Port:  geant4           |
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Comment (by patrick.sizun@…):

 Replying to [comment:4 patrick.sizun@…]:
 > Replying to [comment:2 mojca@…]:
 > > Is there any penalty/drawback if multithreading gets supported by
 default and without any extra option?
 >
 > Not according to the release notes:
 > ''Existing (or new sequential) applications can be built and run without
 code changes, on either a sequential and a multi-threading capable
 installation of Geant4 - provided, of course, that mandatory changes are
 made to address other migration issues.''

 However, since ''the default build of Geant4 is sequential'', I think it
 would be best to do the same for the port for now and only enable the
 multi-threading if required by users.

-- 
Ticket URL: <https://trac.macports.org/ticket/43593#comment:5>
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