[MacPorts] #65424: libgcc10: build fails for Monterey ARM (was: Failed to build libgcc10: command execution failed on M1 Mac Monterey 12.4)

[MacPorts]

#65424: libgcc10: build fails for Monterey ARM
-----------------------+----------------------
  Reporter:  nasim147  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.7.2
Resolution:            |   Keywords:  monterey
      Port:  libgcc10  |
-----------------------+----------------------
Changes (by mascguy):

 * cc: mascguy (added)
 * keywords:  build libgcc gcc6 Monterey 12.4 => monterey
 * version:   => 2.7.2
 * port:   => libgcc10


Comment:

 It looks like `libgcc10` is also failing on our Monterey ARM buildbot:

 {{{
 checking for arm64-apple-darwin21-gcc...
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_gcc10/libgcc10/work/build/./gcc/xgcc
 -B/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_gcc10/libgcc10/work/build/./gcc/
 -B/opt/local/arm64-apple-darwin21/bin/ -B/opt/local/arm64-apple-
 darwin21/lib/ -isystem /opt/local/arm64-apple-darwin21/include -isystem
 /opt/local/arm64-apple-darwin21/sys-include -fno-checking
 checking whether the C compiler works... no
 configure: error: in
 `/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_gcc10/libgcc10/work/build/arm64
 -apple-darwin21/libgomp':
 configure: error: C compiler cannot create executables
 See `config.log' for more details
 make[2]: *** [configure-stage1-target-libgomp] Error 77
 make[2]: Leaving directory
 `/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_gcc10/libgcc10/work/build'
 make[1]: *** [stage1-bubble] Error 2
 make[1]: Leaving directory
 `/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_gcc10/libgcc10/work/build'
 make: *** [bootstrap-lean] Error 2
 }}}

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Ticket URL: <https://trac.macports.org/ticket/65424#comment:2>
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