[MacPorts] #60511: move to quartz as default backend

[MacPorts]

#60511: move to quartz as default backend
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  Reporter:  ra1nb0w                             |      Owner:  mascguy
      Type:  enhancement                         |     Status:  assigned
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:
Resolution:                                      |   Keywords:
      Port:  R Togl VLC VLC2 avahi cairo         |
  cairomm cherrytree clutter cogl gWakeOnLAN     |
  gconf gegl geoclue2 glade glib2 glibmm gnome-  |
  themes-extra gnubg gnucash-docs gtk-sharp2     |
  gtk2 gtk3 gtkextra3 gtkimageview gtkmm gtkmm3  |
  gtkspell2 inkscape lablgtk2 libVLC libVLC2     |
  librsvg meld netgen opencolorio pan2 pango     |
  pangomm pdfpc pidgin pspp py-cairo py-gobject  |
  py-pygtk reinteract tix tk tkdnd tkimg         |
  tktable ufraw webkit2-gtk wxgtk-3.0            |
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Comment (by christophecvr):

 Replying to [comment:45 mascguy]:
 > Replying to [comment:42 christophecvr]:
 > > Before that also glib2, gobject-introspection, and gtk3 needs to be
 rebuild. Min required version is 2.80 with the current downgraded version
 it does not work.
 >
 > Just to confirm, are you saying that `glib2` and `gobject-introspection`
 must be at 2.80/1.80, for your updates to work?
 >
 > That's very surprising, as `glib2` 2.80 was released six weeks ago,
 while `gobject-introspection` 1.80 was released three weeks ago.
 >
 > Can you elaborate in terms of which component(s) need the latest
 releases of these two ports?

 p.s. Now as test i'm building full macports from scratch. Cause I first
 will now do full tests using only quartz. (some applications will not work
 then). I started now with the introspection from current master 2.78 and
 1.78 or so . Then the builds are working back ok.

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Ticket URL: <https://trac.macports.org/ticket/60511#comment:48>
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