libffi on snow leopard

[Mooers, Blaine H.M. (HSC)]

Snow leopard, 2010 MacBook Pro, Intel,  /sw64

I can't upgrade outdated ports due to problem with libffi

sudo port selfupdate # goes okay
--->  Updating MacPorts base sources using rsync
receiving file list ... done
base.tar

sent 11356 bytes  received 111 bytes  2548.22 bytes/sec
total size is 3539456  speedup is 308.66
receiving file list ... done
base.tar.rmd160

sent 64 bytes  received 116 bytes  360.00 bytes/sec
total size is 512  speedup is 2.84
MacPorts base version 2.1.1 installed,
MacPorts base version 2.1.1 downloaded.
--->  Updating the ports tree
Synchronizing local ports tree from file:///opt/local/var/macports/sources/svn.macports.org/trunk/dports/
At revision 95508.
Creating port index in /opt/local/var/macports/sources/svn.macports.org/trunk/dports

Total number of ports parsed:   0 
Ports successfully parsed:      0 
Ports failed:                   0 
Up-to-date ports skipped:       15366

--->  MacPorts base is already the latest version

The ports tree has been updated. To upgrade your installed ports, you should run
  port upgrade outdated


sudo port -v upgrade outdated

--->  Updating MacPorts base sources using rsync
receiving file list ... done
base.tar

sent 11356 bytes  received 111 bytes  2548.22 bytes/sec
total size is 3539456  speedup is 308.66
receiving file list ... done
base.tar.rmd160

sent 64 bytes  received 116 bytes  360.00 bytes/sec
total size is 512  speedup is 2.84
MacPorts base version 2.1.1 installed,
MacPorts base version 2.1.1 downloaded.
--->  Updating the ports tree
Synchronizing local ports tree from file:///opt/local/var/macports/sources/svn.macports.org/trunk/dports/
At revision 95508.
Creating port index in /opt/local/var/macports/sources/svn.macports.org/trunk/dports

Total number of ports parsed:   0 
Ports successfully parsed:      0 
Ports failed:                   0 
Up-to-date ports skipped:       15366

--->  MacPorts base is already the latest version

The ports tree has been updated. To upgrade your installed ports, you should run
  port upgrade outdated
bash-3.2$ sudo port upgrade outdated
Password:
bash-3.2$ sudo port -v upgrade outdated
Password:
--->  Configuring libffi
--->  Configuring libffi for architecture x86_64
Error: org.macports.configure for port libffi returned: error copying "/opt/local/var/macports/build/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/work/libffi-3.0.11" to "/opt/local/var/macports/build/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/work/libffi-3.0.11-x86_64/libffi-3.0.11": file already exists
Warning: targets not executed for libffi: org.macports.install org.macports.configure org.macports.build org.macports.destroot
Please see the log file for port libffi for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/main.log
Error: Unable to upgrade port: 1
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets



sudo port -v install libffi +universal

--->  Configuring libffi
--->  Configuring libffi for architecture x86_64
Error: org.macports.configure for port libffi returned: error copying "/opt/local/var/macports/build/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/work/libffi-3.0.11" to "/opt/local/var/macports/build/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/work/libffi-3.0.11-x86_64/libffi-3.0.11": file already exists
Warning: targets not executed for libffi: org.macports.activate org.macports.configure org.macports.build org.macports.destroot org.macports.install
Please see the log file for port libffi for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/main.log
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port libffi failed


version:1
:debug:main libffi has no conflicts
:debug:main Executing org.macports.main (libffi)
:debug:main changing euid/egid - current euid: 0 - current egid: 0
:debug:main egid changed to: 503
:debug:main euid changed to: 503
:debug:main Skipping completed org.macports.archivefetch (libffi)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.fetch (libffi)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.checksum (libffi)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.extract (libffi)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.patch (libffi)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:configure configure phase started at Sat Jul 14 10:32:08 CDT 2012
:notice:configure --->  Configuring libffi
:debug:configure Using compiler 'Mac OS X gcc 4.2'
:debug:configure Executing org.macports.configure (libffi)
:info:configure --->  Configuring libffi for architecture x86_64
:error:configure org.macports.configure for port libffi returned: error copying "/opt/local/var/macports/build/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/work/libffi-3.0.11" to "/opt/local/var/macports/build/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/work/libffi-3.0.11-x86_64/libffi-3.0.11": file already exists
:debug:configure Error code: NONE
:debug:configure Backtrace: error copying "/opt/local/var/macports/build/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/work/libffi-3.0.11" to "/opt/local/var/macports/build/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/work/libffi-3.0.11-x86_64/libffi-3.0.11": file already exists
    while executing
"$procedure $targetname"
:info:configure Warning: targets not executed for libffi: org.macports.activate org.macports.configure org.macports.build org.macports.destroot org.macports.install
:notice:configure Please see the log file for port libffi for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_svn.macports.org_trunk_dports_devel_libffi/libffi/main.log