This section explains some usefull environment variables that you can use.
==Master==Distcc has a few environment variables. The most useful are listed here, which are all set on the master computer. The master machine is the machine in which the mozilla directory is located.
<dl>
<dt> DISTCC_CL_HOSTS
Values : 1 for allow fallback
</dl>
===Slave===
The slaves take preprocessed file and send back the object file. They do not need the source code.
<dl>
<dt> DISTCC_CL_HOSTS
<dd>the ip addresses of the slave machines. Usually localhost is the first host.
'''Example :''' export DISTCC_CL_HOSTS="localhost 10.0.0.2 10.0.0.4
<dd>
</dl>
==Optional==
