[MacPorts] #56922: Libgcc7 @7.3.0_1 fails to build on PPC Tiger, Mac OS X 10.4.11, because comparison of stages 2 and 3 fails

[MacPorts]

#56922: Libgcc7 @7.3.0_1 fails to build on PPC Tiger, Mac OS X 10.4.11, because
comparison of stages 2 and 3 fails
------------------------+--------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.5.3
Resolution:             |   Keywords:  tiger
      Port:  libgcc7    |
------------------------+--------------------

Comment (by ballapete):

 Replying to [comment:12 cjones051073]:
 > As I have said, That option is already applied... see
 >
 > https://github.com/macports/macports-
 ports/blob/master/lang/gcc7/Portfile
 >
 > Line 89.

 Sorry, I failed to see it, I only saw the excessive use of `-g` in the
 build log. So my next try is to add `-g0` to all compiler flags. Could be
 this works!

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Ticket URL: <https://trac.macports.org/ticket/56922#comment:14>
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