ll uses the real compiler to detect compiler upgrades.<BR>
<P>
ccache  can then be run using either a masquerade directory <I>
or</I> by setting<BR>
<DL>
<DT>
<BR>
</DT>
<DD>
<B>CC=&quot;ccache gcc&quot;</B><BR>
</DD>
</DL>
<P>
As of version 2.2, ccache does not cache compilation from preprocessed
source and so will never get a cache hit if it is run from distccd
or distcc.  It must be run only on the client side and before
distcc to be any use.<BR>
distcc's pump mode is not compatible with ccache.<BR>
<H2>