Including slow machines in the list of volunteer hosts can slow
the build down.<BR>
<P>
When distcc or ccache is used on NFS, the filesystem must be exported
with the <B> no_subtree_check</B> option to allow reliable renames
between directories.<BR>
<P>
The compiler can be invoked with a command line <B> gcc hello.c</B>
to both compile and link.  distcc doesn't split this into separate
parts, but rather runs the whole thing locally.<BR>
<P>
distcc-pump mode reverts to plain distcc mode for source files
that