go-1.4 @1.4.3_1 fails to build on Mtn Lion

[RobK88]

I am unable to build and install go-1.4 on my old Mac running Mountain Lion. I need this port installed to build totp-cli

This bug is likely related to ​https://trac.macports.org/ticket/63673

:error:build Failed to build go-1.4: command execution failed
:debug:build Error code: CHILDSTATUS 48861 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"
:error:build See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_go-1.4/go-1.4/main.log for details.