[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:2 cjones051073]:

 I seem to remember that `libgcc7` cannot be built since weeks…

 I have insalled:

 {{{
   libgcc @7.3.0_1 (active) platform='darwin 8' archs='ppc'
 date='2018-05-21T14:39:32+0200'
   libgcc6 @6.4.0_2 (active) platform='darwin 8' archs='ppc'
 date='2018-05-27T07:20:19+0200'
 }}}

 Anyway, I am trying to build it anew. Before I am going to clean up my
 PowerBook in case it's a problem with disk space. 4.2 GB are left…

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Ticket URL: <https://trac.macports.org/ticket/56922#comment:3>
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