[MacPorts] #57539: legacysupport-1.0: Let ports specify what symbols they need

[MacPorts]

#57539: legacysupport-1.0: Let ports specify what symbols they need
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  Reporter:  ryandesign     |      Owner:  (none)
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:
Resolution:                 |   Keywords:
      Port:  legacysupport  |
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Comment (by ryandesign):

 Replying to [comment:7 cjones051073]:
 > I only added {{{legacysupport.newest_darwin_requires_legacy}}} to act in
 corner cases where it is really needed.

 Hmm. Did such a problem actually occur? What were the circumstances?

 > The majority of ports only need to add the PortGroup and that is it,
 nothing else, and I was aiming at keeping it simple like that. Requiring
 that ports that use it also have to list the specific functions they are
 going to use just seems like over engineering things a bit, to me.

 I guess I just don't like unnecessary dependencies.

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Ticket URL: <https://trac.macports.org/ticket/57539#comment:8>
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