Code highlighting:

  sudo port -d install wine
Password:
DEBUG: Copying /Users/mr_pogey_bait/Library/Preferences/com.apple.dt.Xcode.plist to /opt/local/var/macports/home/Library/Preferences
DEBUG: Changing to port directory: /opt/local/var/macports/sources/rsync.macports.org/release/ports/x11/wine
DEBUG: OS darwin/11.4.2 (Mac OS X 10.7) arch i386
DEBUG: org.macports.load registered provides 'load', a pre-existing procedure. Target override will not be provided
DEBUG: org.macports.unload registered provides 'unload', a pre-existing procedure. Target override will not be provided
DEBUG: org.macports.distfiles registered provides 'distfiles', a pre-existing procedure. Target override will not be provided
DEBUG: Using group file /opt/local/var/macports/sources/rsync.macports.org/release/ports/_resources/port1.0/group/archcheck-1.0.tcl
DEBUG: only one arch supported, so not adding the default universal variant
DEBUG: Attempting ln -sf /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_wine/wine/work /opt/local/var/macports/sources/rsync.macports.org/release/ports/x11/wine/work
DEBUG: Starting logging for wine
DEBUG: enforcing +universal upgrade for expat
DEBUG: epoch: in tree: 0 installed: 0
DEBUG: expat 2.1.0_0 exists in the ports tree
DEBUG: expat 2.1.0_0  is the latest installed
DEBUG: expat 2.1.0_0  is active
DEBUG: Merging existing variants '' into variants
DEBUG: new fully merged portvariants: universal +
DEBUG: Changing to port directory: /opt/local/var/macports/sources/rsync.macports.org/release/ports/textproc/expat
DEBUG: OS darwin/11.4.2 (Mac OS X 10.7) arch i386
DEBUG: org.macports.load registered provides 'load', a pre-existing procedure. Target override will not be provided
DEBUG: org.macports.unload registered provides 'unload', a pre-existing procedure. Target override will not be provided
DEBUG: org.macports.distfiles registered provides 'distfiles', a pre-existing procedure. Target override will not be provided
DEBUG: adding the default universal variant
DEBUG: Reading variant descriptions from /opt/local/var/macports/sources/rsync.macports.org/release/ports/_resources/port1.0/variant_descriptions.conf
DEBUG: Executing variant universal provides universal
DEBUG: variant override ... upgrading!
DEBUG: Attempting ln -sf /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_textproc_expat/expat/work /opt/local/var/macports/sources/rsync.macports.org/release/ports/textproc/expat/work
DEBUG: Starting logging for expat
DEBUG: expat has no conflicts
DEBUG: Executing org.macports.main (expat)
DEBUG: Skipping completed org.macports.archivefetch (expat)
DEBUG: Skipping completed org.macports.fetch (expat)
DEBUG: Skipping completed org.macports.checksum (expat)
DEBUG: Skipping completed org.macports.extract (expat)
DEBUG: Skipping completed org.macports.patch (expat)
DEBUG: configure phase started at Thu Dec 20 09:25:13 CST 2012
--->  Configuring expat
DEBUG: Using compiler 'Mac OS X clang'
DEBUG: Executing org.macports.configure (expat)
DEBUG: Environment: CPATH='/opt/local/include' CFLAGS='-O2 -arch i386 -arch ppc' CPPFLAGS='-I/opt/local/include' CXXFLAGS='-O2 -arch i386 -arch ppc' LIBRARY_PATH='/opt/local/lib' MACOSX_DEPLOYMENT_TARGET='10.7' CXX='/usr/bin/clang++' CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_textproc_expat/expat/work/.CC_PRINT_OPTIONS' F90FLAGS='-O2' LDFLAGS='-L/opt/local/lib -arch i386 -arch ppc' OBJC='/usr/bin/clang' FCFLAGS='-O2' INSTALL='/usr/bin/install -c' OBJCFLAGS='-O2 -arch i386 -arch ppc' FFLAGS='-O2' CC_PRINT_OPTIONS='YES' CC='/usr/bin/clang'
DEBUG: Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_textproc_expat/expat/work/expat-2.1.0" && ./configure --prefix=/opt/local --disable-dependency-tracking'
DEBUG: Executing command line:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_textproc_expat/expat/work/expat-2.1.0" && ./configure --prefix=/opt/local --disable-dependency-tracking 
configure: WARNING: unrecognized options: --disable-dependency-tracking
checking build system type... x86_64-apple-darwin11.4.2
checking host system type... x86_64-apple-darwin11.4.2
checking how to print strings... printf
checking for gcc... /usr/bin/clang
checking whether the C compiler works... no
configure: error: in `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_textproc_expat/expat/work/expat-2.1.0':
configure: error: C compiler cannot create executables
See `config.log' for more details
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_textproc_expat/expat/work/expat-2.1.0" && ./configure --prefix=/opt/local --disable-dependency-tracking 
Exit code: 77
Error: org.macports.configure for port expat returned: configure failure: command execution failed
DEBUG: Error code: NONE
DEBUG: Backtrace: configure failure: command execution failed
    while executing
"$procedure $targetname"
Warning: targets not executed for expat: org.macports.install org.macports.configure org.macports.build org.macports.destroot
Please see the log file for port expat for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_textproc_expat/expat/main.log
DEBUG: couldn't open "/System/Library/Frameworks/Tcl.framework/Versions/8.5/Resources/tclIndex": no such file or directory
    while executing
"open [file join $dir tclIndex]"
Error: Unable to upgrade port: 1
DEBUG: upgrade expat failed
    while executing
"macports::_upgrade_mport_deps $mport $target"
    (procedure "mportexec" line 39)
    invoked from within
"mportexec $workername $target"
Error: Unable to execute port: upgrade expat failed