xcode already install on muntain lion

[savious@…]

xcodea lready install on mountain lion by the App Store. but the terminal answer me

MacBook-Air:~ savio$ sudo port install ccd2iso
Warning: The Command Line Tools for Xcode don't appear to be installed; most ports will likely fail to build.
Warning: See http://guide.macports.org/chunked/installing.xcode.html for more information.
--->  Configuring ccd2iso
Error: org.macports.configure for port ccd2iso returned: configure failure: command execution failed
Please see the log file for port ccd2iso for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_sysutils_ccd2iso/ccd2iso/main.log
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port ccd2iso failed
MacBook-Air:~ savio$ port
MacPorts 2.1.2
Entering interactive mode... ("help" for help, "quit" to quit)
[Users/savio] > quit
Goodbye
MacBook-Air:~ savio$ sudo port
MacPorts 2.1.2
Entering interactive mode... ("help" for help, "quit" to quit)
[Users/savio] > xcode
Error: Unrecognized action "port xcode"
[Users/savio] > install ccd2iso
Warning: The Command Line Tools for Xcode don't appear to be installed; most ports will likely fail to build.
Warning: See http://guide.macports.org/chunked/installing.xcode.html for more information.
--->  Configuring ccd2iso
Error: org.macports.configure for port ccd2iso returned: configure failure: command execution failed
Please see the log file for port ccd2iso for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_sysutils_ccd2iso/ccd2iso/main.log
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port ccd2iso failed

[ryandesign (Ryan Carsten Schmidt)]

Open Xcode, go to the Preferences window, to the Downloads tab, and install the command line tools from there.