t,
make sure the IJS device is selected:

<blockquote>
DEVICE_DEVS2=$(DD)ijs.dev
</blockquote>

<p> Next, make sure that the path and execution type are set in
the top level makefile. The values for Unix are as follows:

<blockquote>
IJSSRCDIR=ijs
IJSEXECTYPE=unix
</blockquote>

<p> At present, "unix" and "win" are the only supported values for
IJSEXECTYPE. If neither sounds appropriate for your system, it's
possible that more porting work is needed.

<p> Last, make sure that ijs.mak is included in the top 