[MacPorts] #56135: protobuf-cpp in conflict with protobuf3-cpp

[MacPorts]

#56135: protobuf-cpp in conflict with protobuf3-cpp
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  Reporter:  btywoniuk                           |      Owner:  blair
      Type:  enhancement                         |     Status:  assigned
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:  2.4.2
Resolution:                                      |   Keywords:
      Port:  protobuf protobuf-cpp               |
  protobuf3-cpp protobuf-java protobuf3-java     |
  py-protobuf py-protobuf3                       |
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Comment (by ryandesign):

 Replying to [comment:9 blair]:
 > Some ports may not easily be upgradable. We commonly support multiple
 versions of ABI incompatible libraries, e.g. serf0 and serf1, so why would
 protobuf be different?

 Well please decide what you want. If you want to offer multiple versions
 such that different ports can use different versions of protobuf, they
 need to not conflict; see #56102. That's what I originally suggested, and
 that's what serf0 and serf1 do, but I don't think you responded to that
 idea for protobuf, and others took charge and decided to upgrade
 everything to the latest version instead. See https://github.com/macports
 /macports-ports/pull/1628.

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Ticket URL: <https://trac.macports.org/ticket/56135#comment:13>
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