result of debug selfupdate

! sudo port -d selfupdate
Password:
--->  Updating the ports tree
DEBUG: Synchronizing ports tree(s)
Synchronizing local ports tree from rsync://rsync.macports.org/release/ports/
DEBUG: /usr/bin/rsync -rtzv --delete-after '--exclude=/PortIndex*' rsync://rsync.macports.org/release/ports/ /opt/local/var/macports/sources/rsync.macports.org/release/ports
receiving file list ... done
./
_resources/port1.0/group/
_resources/port1.0/group/cmake-1.0.tcl
devel/git-core/
devel/git-core/Portfile
devel/git-core/files/
devel/git-core/files/git-subtree.1.diff
gnome/gconf/
gnome/gconf/Portfile
lang/erlang/
lang/erlang/Portfile
lang/erlang/files/
lang/gawk/
lang/gawk/Portfile
science/nco/
science/nco/Portfile
sysutils/pv/
deleting lang/erlang/files/patch-disable_wx.diff
deleting sysutils/pv/work

sent 693 bytes  received 730139 bytes  112435.69 bytes/sec
total size is 39022550  speedup is 53.39
Creating port index in /opt/local/var/macports/sources/rsync.macports.org/release/ports
Failed to parse file devel/git-core/Portfile: invalid command name "get_canonical_archflags"
Adding port gnome/gconf
Failed to parse file lang/erlang/Portfile: invalid command name "license_noconflict"
Failed to parse file lang/gawk/Portfile: invalid command name "installs_libs"
Adding port science/nco

Total number of ports parsed:	5
Ports successfully parsed:	2
Ports failed:			3
Up-to-date ports skipped:	9387

DEBUG: MacPorts sources location: /opt/local/var/macports/sources/rsync.macports.org/release/base
--->  Updating MacPorts base sources using rsync
receiving file list ... done
./
Mk/
doc/
portmgr/freebsd/
src/
src/cregistry/
src/darwintracelib1.0/
src/machista1.0/
src/macports1.0/
src/package1.0/
src/pextlib1.0/
src/port/
src/port1.0/
src/programs/
src/registry2.0/
src/thread2.6/
src/thread2.6/Makefile.in
src/thread2.6/configure
src/thread2.6/generic/
src/thread2.6/generic/threadPoolCmd.c
src/thread2.6/lib/
src/thread2.6/lib/ttrace.tcl
deleting config.log

sent 3832 bytes  received 10266 bytes  9398.67 bytes/sec
total size is 4562307  speedup is 323.61
MacPorts base version 1.9.2 installed,
DEBUG: Rebuilding and reinstalling MacPorts if needed
MacPorts base version 2.2.1 downloaded.
--->  MacPorts base is outdated, installing new version 2.2.1
DEBUG: Permissions OK
Installing new MacPorts release in /opt/local as root:admin; permissions 0777; Tcl-Package in /Library/Tcl

checking build system type... i386-apple-darwin13.0.0
checking host system type... i386-apple-darwin13.0.0
checking target system type... i386-apple-darwin13.0.0
checking MacPorts version... 2.2.1
checking for sw_vers... /usr/bin/sw_vers
checking for defaults... /usr/bin/defaults
checking for xcode-select... /usr/bin/xcode-select
checking Mac OS X version... 10.9
checking Xcode location... /Applications/Xcode.app/Contents/Developer
checking Xcode version... 5.0.1
checking for gcc... /usr/bin/llvm-gcc-4.2
checking whether the C compiler works... no
configure: error: in `/opt/local/var/macports/sources/rsync.macports.org/release/base':
configure: error: C compiler cannot create executables
See `config.log' for more details
shell command "cd /opt/local/var/macports/sources/rsync.macports.org/release/base && CC=/usr/bin/llvm-gcc-4.2 ./configure --prefix=/opt/local --with-tclpackage=/Library/Tcl --with-install-user=root --with-install-group=admin --with-directory-mode=0777 --enable-readline && make && make install" returned error 77
DEBUG: Error installing new MacPorts base: shell command failed (see log for details)
    while executing
"macports::selfupdate [array get global_options] base_updated"
Error: /opt/local/bin/port: port selfupdate failed: Error installing new MacPorts base: shell command failed (see log for details)