3.4 Running a Script

We typically run scripts under the control of Waf. This allows the build system to ensure that the shared library paths are set correctly and that the libraries are available at run time. To run a program, simply use the --run option in Waf. Let's run the ns-3 equivalent of the ubiquitous hello world program by typing the following:

  ./waf --run hello-simulator

Waf first checks to make sure that the program is built correctly and executes a build if required. Waf then then executes the program, which produces the following output.

  Hello Simulator

Congratulations. You are now an ns-3 user.

If you want to run programs under another tool such as gdb or valgrind, see this wiki entry.

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