[MacPorts] #51810: libgcc 6.1.0 build error on snow leopard

[MacPorts]

#51810: libgcc 6.1.0 build error on snow leopard
---------------------------------+--------------------------------
 Reporter:  chrisgorman@…        |      Owner:  macports-tickets@…
     Type:  defect               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.3.4
 Keywords:  snow leopard libgcc  |       Port:  libgcc
---------------------------------+--------------------------------
 nm returns exit status of failure on building libgcc_s.dylib
 {{{
 ld: warning: could not create compact unwind for
 __Unwind_Resume_or_Rethrow: non-standard register 0 being saved in prolog
 collect2: fatal error:
 /sandbox/var/macports/build/_sandbox_trunk_dports_lang_gcc6/libgcc/work/build/./gcc/nm
 returned 2 exit status
 compilation terminated.
 make[3]: *** [libgcc_s.dylib] Error 1
 make[3]: Leaving directory
 `/sandbox/var/macports/build/_sandbox_trunk_dports_lang_gcc6/libgcc/work/build/x86_64
 -apple-darwin10/libgcc'
 make[2]: *** [all-stage1-target-libgcc] Error 2
 make[2]: Leaving directory
 `/sandbox/var/macports/build/_sandbox_trunk_dports_lang_gcc6/libgcc/work/build'
 make[1]: *** [stage1-bubble] Error 2
 make[1]: Leaving directory
 `/sandbox/var/macports/build/_sandbox_trunk_dports_lang_gcc6/libgcc/work/build'
 make: *** [bootstrap-lean] Error 2
 make: Leaving directory
 `/sandbox/var/macports/build/_sandbox_trunk_dports_lang_gcc6/libgcc/work/build'
 Command failed:  cd
 "/sandbox/var/macports/build/_sandbox_trunk_dports_lang_gcc6/libgcc/work/build"
 && /usr/bin/make -j2 -w bootstrap-lean
 Exit code: 2
 Error: Failed to build libgcc: command execution failed
 Error: See
 /sandbox/var/macports/logs/_sandbox_trunk_dports_lang_gcc6/libgcc/main.log
 for details.
 Error: Follow http://guide.macports.org/#project.tickets to report a bug.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/51810>
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