Hello about installing wine on macports

[zyuanbackup@…]

hello i just try to install wine on macports but i got this

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. ---> Computing dependencies for wineError: Unable to execute port: can't read "build.cmd": Failed to locate 'make' in path: '/opt/local/bin:/opt/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin' or at its MacPorts configuration time location, did you move it?

i previously installed xcode 4.6.1 in my macbook pro, and i don't know what to do next, i try the trouble shoot faq where the sudo path command line and it return what the requirement the website gave. and after that i try sudo ports wine command and it still give me the warning message that's above, please help me out. also piror to that i did the autoupdate on command line and man port as well, and i install MP with the dmg file instead of the source. i'm currently using osx lion 10.7.5 and xcode 4.6.1