[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):

 I found a possible flaw in my setup: the package `binutils` was activated
 so that `configure` found:

 {{{
 checking for GNU c++filt... /opt/local/bin/gc++filt
 }}}

 Having it deactivated again `configure` now finds:

 {{{
 checking for GNU c++filt... /usr/bin/c++filt
 }}}

 Could this make the difference? BTW, I simply ran `port selfupdate` to use
 an unchanged `Portfile` for the new build. So I am now trying to build
 `libgcc7-7.3.0_2`…

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Ticket URL: <https://trac.macports.org/ticket/56922#comment:28>
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