[MacPorts] #54124: guile @2.2.2 won't build on PPC Leopard, Mac OS X 10.5.8, because is uses non-existing /lib/cpp as C preprocessor

[MacPorts]

#54124: guile @2.2.2 won't build on PPC Leopard, Mac OS X 10.5.8, because is uses
non-existing /lib/cpp as C preprocessor
------------------------+---------------------------------------
  Reporter:  ballapete  |      Owner:  kencu
      Type:  defect     |     Status:  reopened
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.4.1
Resolution:             |   Keywords:  tiger leopard snowleopard
      Port:  guile      |
------------------------+---------------------------------------

Comment (by kencu):

 when we change the portfile, we'll have it match the intel version again.
 If we upgrade to 2.2.7, we'll do it across the board for all archs.

 I'm just first trying to see if we can replace the prebuilt files with
 ones that work, to save everyone many hours compiling this.

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Ticket URL: <https://trac.macports.org/ticket/54124#comment:53>
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