Problem running port upgrade outdated

[Clive Riches]

Hi, I've a problem running 'port upgrade outdated' on my intel mac (10.7.3) (Xcode 4.3)
Has anyone experienced this problem? Do I need to reinstall  macports?

clivesmac:~ cliveriches$ sudo port upgrade outdated
--->  Computing dependencies for ncurses
--->  Configuring ncurses
Error: Target org.macports.configure returned: configure failure: shell command failed (see log for details)
Log for ncurses is at: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_ncurses/ncurses/main.log
Error: Unable to upgrade port: 1
To report a bug, see <http://guide.macports.org/#project.tickets>

Log for ncurses:-


:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.extract (ncurses)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.patch (ncurses)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:configure configure phase started at Thu Mar  8 16:58:00 GMT 2012
:notice:configure --->  Configuring ncurses
:debug:configure Using compiler 'Mac OS X clang'
:debug:configure Executing org.macports.configure (ncurses)
:debug:configure Environment: CPATH='/opt/local/include' CFLAGS='-O2 -arch x86_64' CXXFLAGS='-O2 -arch x86_64' LIBRARY_PATH='/opt/local/lib' MACOSX_DEPLOYMENT_TARGET='10.7' CXX='/usr/bin/llvm-g++-4.2' CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_ncurses/ncurses/work/.CC_PRINT_OPTIONS' PKG_CONFIG_LIBDIR='/opt/local/lib/pkgconfig' F90FLAGS='-O2 -m64' LDFLAGS='-arch x86_64' OBJC='/usr/bin/clang' FCFLAGS='-O2 -m64' GI_SCANNER_DISABLE_CACHE='1' INSTALL='/usr/bin/install -c' OBJCFLAGS='-O2 -arch x86_64' FFLAGS='-O2 -m64' CC_PRINT_OPTIONS='YES' CC='/usr/bin/clang'
:debug:configure Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_ncurses/ncurses/work/ncurses-5.9" && ./configure --prefix=/opt/local --enable-widec --enable-overwrite --with-shared --without-debug --without-ada --enable-sigwinch --mandir=/opt/local/share/man --with-manpage-format=normal --enable-pc-files --enable-symlinks --disable-mixed-case'
:debug:configure Executing command line:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_ncurses/ncurses/work/ncurses-5.9" && ./configure --prefix=/opt/local --enable-widec --enable-overwrite --with-shared --without-debug --without-ada --enable-sigwinch --mandir=/opt/local/share/man --with-manpage-format=normal --enable-pc-files --enable-symlinks --disable-mixed-case
:info:configure checking for egrep... grep -E
:info:configure Configuring NCURSES 5.9 ABI 5 (Thu Mar  8 16:58:01 GMT 2012)
:info:configure checking build system type... i386-apple-darwin11.3.0
:info:configure checking host system type... i386-apple-darwin11.3.0
:info:configure checking target system type... i386-apple-darwin11.3.0
:info:configure Configuring for darwin11.3.0
:info:configure checking for prefix... /opt/local
:info:configure checking for gcc... /usr/bin/clang
:info:configure checking for C compiler default output... configure: error: C compiler cannot create executables
:info:configure shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_ncurses/ncurses/work/ncurses-5.9" && ./configure --prefix=/opt/local --enable-widec --enable-overwrite --with-shared --without-debug --without-ada --enable-sigwinch --mandir=/opt/local/share/man --with-manpage-format=normal --enable-pc-files --enable-symlinks --disable-mixed-case " returned error 77
:error:configure Target org.macports.configure returned: configure failure: shell command failed (see log for details)
:debug:configure Backtrace: configure failure: shell command failed (see log for details)
    while executing
"$procedure $targetname"
:info:configure Warning: the following items did not execute (for ncurses): org.macports.install org.macports.configure org.macports.build org.macports.destroot
:notice:configure Log for ncurses is at: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_ncurses/ncurses/main.log
Regards,

Clive