[MacPorts] #53209: gtk3 @3.22.5 does not build on PPC Tiger, Mac OS X 10.4.11, because of inappropriate use of -arch ppc

[MacPorts]

#53209: gtk3 @3.22.5 does not build on PPC Tiger, Mac OS X 10.4.11, because of
inappropriate use of -arch ppc
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  Reporter:  ballapete  |      Owner:  dbevans
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:  tiger powerpc
      Port:  gtk3       |
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Comment (by ballapete):

 The Clang 3.4 product is useless. The GNU Emacsen I built crash. When
 built with GCC 6.2.0 the toolkit can be used with GCC 6.2 and with apple-
 gcc-4.2.4 to build functioning Emacsen. GCC6 produces smaller binaries.

 I am going to test on PPC Tiger.

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Ticket URL: <https://trac.macports.org/ticket/53209#comment:5>
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