[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 cjones051073):

 Replying to [comment:48 ballapete]:
 > Replying to [comment:46 kencu]:
 > > take a look at the Portfile. It will try to stop you from installing
 the +bootstrap variant if it sees `ld64` and `cctools` are installed.
 > > {{{
 > > variant bootstrap description {Variant to break a dependency cycle on
 Tiger by first building an apple-gcc42 using host ld and cctools} {
 > >     if {([file exists ${prefix}/bin/ld] && [file exists
 ${prefix}/bin/as]) || ${os.major} > 8} {
 > >         pre-fetch {
 > >             ui_error "Please install this port without the bootstrap
 variant."
 > >             error "Please install this port without the bootstrap
 variant."
 > >         }
 > >     }
 > > }}}
 >
 > A sensible system would check whether particular packages are installed
 and complain about that instead of reporting such rubbish.


 Patches, in the form of github pull requests, gratefully received, if you
 think you can improve the port.

 > >
 > > It looks like you have the non-bootstrap version installed at any
 rate, based on your installed versions of `apple-gcc42`.
 > >
 > > IF you still had the +bootstrap version installed (many people seemed
 to still have it) then that might have been an issue. So it must be
 something else on your system.

-- 
Ticket URL: <https://trac.macports.org/ticket/56922#comment:50>
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