In order to build Mozilla from source you must create a build environment. On Windows, incluidng this must include [http://ftp.mozilla.org/pub/mozilla.org/mozilla/libraries/win32/MozillaBuildSetup-1.12.exe Mozilla Build (1.1 2 or newer)] and MSVC 8. Once both of these have been installed (they should and these are already be in the installed int he lab), you only need to run '''start-msvc8.bat''' (there is a link on the desktop) to begin (i.e., you shouldn't need to install anything). On Linux, just install the standard development tools and libraries (e.g., on Fedora, use "yum groupinstall 'Development Tools' 'Development Libraries' 'GNOME Software Development'").

# Create If on Windows on a lab machine, create a directory called '''C:\ff''' to hold the source-- if on Linux in the lab, use the '''/tmp''' directory, or your home directory on your own system.

# Check-out the Firefox code from '''CVS''' into C:\ff the appropriate directory ([http://developer.mozilla.org/en/docs/Mozilla_Source_Code_%28CVS%29 instructions are here]). You can use either of the following CVSROOT values: