[MacPorts] #50130: ld64 @2 invalid value 'c++11' in '-std=c++11'

[MacPorts]

#50130: ld64 @2  invalid value 'c++11' in '-std=c++11'
------------------------+--------------------------------
 Reporter:  macports@…  |      Owner:  macports-tickets@…
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.3.4
 Keywords:              |       Port:  ld64
------------------------+--------------------------------
 I was trying to install gnupg but it appears that I am unable to build
 anything.  I am using Xcode 4.6.3 (4H1503) on Lion.  This is the screen
 output when I build.
 {{{
 $ sudo port install gnupg
 --->  Computing dependencies for gnupg
 --->  Cleaning gnupg
 --->  Scanning binaries for linking errors
 --->  Found 40 broken file(s), matching files to ports
 --->  Found 3 broken port(s), determining rebuild order
 --->  Rebuilding in order
      mysql55 @5.5.44
      llvm-3.5 @3.5.1
      ghc @7.8.3
 --->  Computing dependencies for mysql55
 --->  Cleaning mysql55
 --->  Computing dependencies for ld64-latest
 --->  Building ld64-latest
 Error: org.macports.build for port ld64-latest returned: command execution
 failed
 Please see the log file for port ld64-latest for details:
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_ld64/ld64-latest/main.log
 Error: Unable to upgrade port: 1
 Error rebuilding llvm-3.5
     while executing
 "error "Error rebuilding $portname""
     (procedure "revupgrade_scanandrebuild" line 395)
     invoked from within
 "revupgrade_scanandrebuild broken_port_counts $opts"
     (procedure "macports::revupgrade" line 5)
     invoked from within
 "macports::revupgrade $opts"
     (procedure "action_revupgrade" line 2)
     invoked from within
 "action_revupgrade $action $portlist $opts"
     (procedure "action_target" line 96)
     invoked from within
 "$action_proc $action $portlist [array get global_options]"
     (procedure "process_cmd" line 103)
     invoked from within
 "process_cmd $remaining_args"
     invoked from within
 "if { [llength $remaining_args] > 0 } {

     # If there are remaining arguments, process those as a command
     set exit_status [process_cmd $remaining..."
     (file "/opt/local/bin/port" line 5268)
 }}}

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Ticket URL: <https://trac.macports.org/ticket/50130>
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