[MacPorts] #53230: preparing port:qt5-kde step 2 : the qt5 PortGroup(s)

[MacPorts]

#53230: preparing port:qt5-kde step 2 : the qt5 PortGroup(s)
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  Reporter:  RJVB     |      Owner:
      Type:  request  |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  qt5-kde  |
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Comment (by RJVB):

 If you rewrite your port to use `qt5.depends_components` you should only
 see the impact cited above, i.e. installing from source when port:qt5-kde
 is installed. Your dependencies would translate *automatically* to

 - qt5-kde (includes everything except qtwebkit)
 - qt5-kde-qtwebkit

 We don't want to risk unforeseen issues by allowing to install say
 qt5-qtwebkit against qt5-kde, so `qt5.depends_components` will introduce
 this concept of adaptive depspecs.

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Ticket URL: <https://trac.macports.org/ticket/53230#comment:15>
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