[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):

 With

 {{{
   apple-gcc42 @5666.3_15+gpl3 platform='darwin 8' archs='ppc'
 date='2015-07-10T13:06:16+0200'
   apple-gcc42 @5666.3_15 platform='darwin 8' archs='ppc'
 date='2018-08-20T17:19:16+0200'
   apple-gcc42 @5666.3_15+bootstrap+gpl3 (active) platform='darwin 8'
 archs='ppc' date='2018-08-21T01:36:13+0200'
   cctools @895_7 platform='darwin 8' archs='ppc'
 date='2018-08-20T18:31:28+0200'
   gcc5 @5.5.0_1 (active) platform='darwin 8' archs='ppc'
 date='2018-05-22T20:47:08+0200'
   gcc6 @6.4.0_1 (active) platform='darwin 8' archs='ppc'
 date='2018-05-24T06:11:10+0200'
   gcc48 @4.8.5_3 (active) platform='darwin 8' archs='ppc'
 date='2018-06-08T04:10:26+0200'
   ld64 @3_1+ld64_97 platform='darwin 8' archs='ppc'
 date='2018-08-04T21:06:51+0200'
   ld64-97 @97.17_8 (active) platform='darwin 8' archs='ppc'
 date='2016-12-22T21:53:15+0100'
   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'
 }}}

 I get

 {{{
 make[3]: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_lil.fr.rsync.macports.org_release_tarballs_ports_lang_gcc7/libgcc7/work/build'
 Comparing stages 2 and 3
 warning: gcc/cc1obj-checksum.o differs
 warning: gcc/cc1objplus-checksum.o differs
 Bootstrap comparison failure!
 gcc/host-darwin.o differs
 make[2]: *** [compare] Error 1
 }}}

 Maybe I just need the puristic `apple-gcc42 @5666.3_15-bootstrap` … How do
 I install it? `port install apple-gcc42 -bootstrap`?

-- 
Ticket URL: <https://trac.macports.org/ticket/56922#comment:61>
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