[MacPorts] #72209: py-gobject3 does not install .pc file needed by avahi

[MacPorts]

#72209: py-gobject3 does not install .pc file needed by avahi
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  Reporter:  dblark             |      Owner:  dbevans
      Type:  defect             |     Status:  assigned
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:
Resolution:                     |   Keywords:
      Port:  avahi py-gobject3  |
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Comment (by ryandesign):

 Existing software relies on pygobject's pc file. The subports of the py-
 gobject3 port used to install it. The upstream repository still contains
 it. It doesn't seem reasonable to expect all software that relies on this
 pc file to be changed to no longer rely on it. Instead, it seems best for
 the py-gobject3 port to once again install the pc file. If it currently
 doesn't do so due to a deficiency of the build system, that could be
 reported to the developers of pygobject so they can fix it. I haven't
 tried changing the port to build with meson instead of the python
 portgroup but I suspect it might not work. The python portgroup does many
 things to ensure python software gets built in a consistent way in
 MacPorts. Not using that portgroup might mean the port won't build or
 won't install things in a way that will work for other ports.

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Ticket URL: <https://trac.macports.org/ticket/72209#comment:7>
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