[MacPorts] #65415: libgcc9 9.5.0_1 build fail on Mountain Lion

[MacPorts]

#65415: libgcc9 9.5.0_1 build fail on Mountain Lion
----------------------+---------------------
 Reporter:  chillin-  |      Owner:  (none)
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.7.2
 Keywords:  libgcc9   |       Port:  libgcc9
----------------------+---------------------
 Macmini5,2
 OS X 10.8.5
 XCode 5.1.1

 {{{
 :info:build Exit code: 2
 :error:build Failed to build libgcc9: command execution failed
 :debug:build Error code: CHILDSTATUS 30481 2
 :debug:build Backtrace: command execution failed
 :debug:build     while executing
 :debug:build "system {*}$notty {*}$callback {*}$nice $fullcmdstring"
 :debug:build     invoked from within
 :debug:build "command_exec -callback
 portprogress::target_progress_callback build"
 :debug:build     (procedure "portbuild::build_main" line 8)
 :debug:build     invoked from within
 :debug:build "$procedure $targetname"
 }}}

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Ticket URL: <https://trac.macports.org/ticket/65415>
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