[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):

 This is a splendid system: No matter what I try the result is always the
 same:

 {{{
 make[2]: Entering directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_lil.fr.rsync.macports.org_release_tarballs_ports_lang_gcc7/libgcc7/work/build'
 make[3]: Entering directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_lil.fr.rsync.macports.org_release_tarballs_ports_lang_gcc7/libgcc7/work/build'
 rm -f stage_current
 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
 make[2]: 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'
 make[1]: *** [stage3-bubble] Error 2
 make[1]: 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'
 make: *** [bootstrap-lean] Error 2
 make: 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'
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_lil.fr.rsync.macports.org_release_tarballs_ports_lang_gcc7/libgcc7/work/build"
 && /usr/bin/make -w bootstrap-lean
 Exit code: 2
 Error: Failed to build libgcc7: command execution failed
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/56922#comment:31>
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