Perl 5.12 upgrade fails

[Puneet Kishor]

Greetings, several ports fail to upgrade because Perl 5.12 is failing to upgrade. The last half of the log file is as below. Suggestions?

----
:msg:main --->  Computing dependencies for perl5.12:info:main .:debug:main perl5.12 has no conflicts
:debug:main Searching for dependency: gdbm
:debug:main Found Dependency: receipt exists for gdbm
:msg:main
:debug:main Executing org.macports.main (perl5.12)
:debug:main changing euid/egid - current euid: 0 - current egid: 0
:debug:main egid changed to: 501
:debug:main euid changed to: 502
:debug:main Skipping completed org.macports.archivefetch (perl5.12)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.fetch (perl5.12)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.checksum (perl5.12)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.extract (perl5.12)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.patch (perl5.12)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.configure (perl5.12)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:build build phase started at Mon May  6 14:55:30 PDT 2013
:notice:build --->  Building perl5.12
:debug:build Executing org.macports.build (perl5.12)
:debug:build Environment: CPATH='/opt/local/include' CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_perl5.12/perl5.12/work/.CC_PRINT_OPTIONS' LIBRARY_PATH='/opt/local/lib' CC_PRINT_OPTIONS='YES' MACOSX_DEPLOYMENT_TARGET='10.8'
:debug:build Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_perl5.12/perl5.12/work/perl-5.12.4" && /usr/bin/make -j8 -w all'
:debug:build Executing command line:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_perl5.12/perl5.12/work/perl-5.12.4" && /usr/bin/make -j8 -w all
:info:build make: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_perl5.12/perl5.12/work/perl-5.12.4'
:info:build make: *** No rule to make target `/opt/local/include/mach/machine.h', needed by `miniperlmain.o'.  Stop.
:info:build make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_perl5.12/perl5.12/work/perl-5.12.4'
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_perl5.12/perl5.12/work/perl-5.12.4" && /usr/bin/make -j8 -w all
:info:build Exit code: 2
:error:build org.macports.build for port perl5.12 returned: command execution failed
:debug:build Error code: CHILDSTATUS 47845 2
:debug:build Backtrace: command execution failed
    while executing
"system -nice 0 $fullcmdstring"
    ("eval" body line 1)
    invoked from within
"eval system $notty $nice \$fullcmdstring"
    invoked from within
"command_exec build"
    (procedure "portbuild::build_main" line 8)
    invoked from within
"$procedure $targetname"
:info:build Warning: targets not executed for perl5.12: org.macports.install org.macports.build org.macports.destroot
:notice:build Please see the log file for port perl5.12 for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_perl5.12/perl5.12/main.log
(END)