port selfupdate failed: Error installing new MacPorts base: shell command failed

[marc.allgeier@…]

# port -d selfupdate ---> 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 ./

sent 59 bytes received 666942 bytes 121272.91 bytes/sec total size is 36462569 speedup is 54.67 Creating port index in /opt/local/var/macports/sources/rsync.macports.org/release/ports

Total number of ports parsed: 0 Ports successfully parsed: 0 Ports failed: 0 Up-to-date ports skipped: 9115

DEBUG: MacPorts sources location: /opt/local/var/macports/sources/rsync.macports.org/release/base ---> Updating MacPorts base sources using rsync receiving file list ... done ./ deleting config.log

sent 42 bytes received 7350 bytes 2956.80 bytes/sec total size is 3261808 speedup is 441.26 MacPorts base version 1.9.1 installed, DEBUG: Rebuilding and reinstalling MacPorts if needed MacPorts base version 2.1.2 downloaded. ---> MacPorts base is outdated, installing new version 2.1.2 DEBUG: Permissions OK Warning: Disabling readline support due to readline in /usr/local Installing new MacPorts release in /opt/local as root:admin; permissions 0755; Tcl-Package in /Library/Tcl

checking build system type... i386-apple-darwin12.2.0 checking host system type... i386-apple-darwin12.2.0 checking target system type... i386-apple-darwin12.2.0 checking MacPorts version... 2.1.2 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... 10.8.2 checking Xcode location... /Applications/Xcode.app/Contents/Developer checking Xcode version... 4.5 checking for gcc... no checking for cc... no checking for cl.exe... no configure: error: in `/opt/local/var/macports/sources/rsync.macports.org/release/base': configure: error: no acceptable C compiler found in $PATH See `config.log' for more details shell command "cd /opt/local/var/macports/sources/rsync.macports.org/release/base && ./configure --prefix=/opt/local --with-tclpackage=/Library/Tcl --with-install-user=root --with-install-group=admin --with-directory-mode=0755 && make && make install" returned error 1 DEBUG: Error installing new MacPorts base: shell command failed

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