HOWTO get ns-3 running on Mac OS X (10.6.2 Intel)
This is the installation process:
1) Install XCode (Apple Developer Tools).
You will find XCode in the Mac OS X Install DVD that came with your Mac. Alternatively, you can download the most recent version of XCode from the Apple Developer Connection website (http://developer.apple.com/mac/)
2) Install Fink (additional Unix packages). 3) Install Mercurial (repository downloader). 4) Download source code repository. 5) Build the local repository.