[MacPorts] #52468: gtk3 3.22.0_0 build fails on 10.5 ppc

[MacPorts]

#52468: gtk3 3.22.0_0 build fails on 10.5 ppc
-------------------------+-----------------------------
  Reporter:  dgonyier@…  |      Owner:  dbevans
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:  leopard powerpc
      Port:  gtk3        |
-------------------------+-----------------------------

Comment (by ballapete):

 Even better: A working GNU Emacs 24.5 with GTK3 toolkit can also be
 compiled with apple-gcc-4.2.4. So it's probably better to rely on GCC 6
 than on Clang. At least on PPC Leopard. I am going to test on PPC Tiger.

--
Ticket URL: <https://trac.macports.org/ticket/52468#comment:56>
MacPorts <https://www.macports.org/>
Ports system for macOS