>From: "c5666305" <c5666305@comp.polyu.edu.hk>
>
>When I tried to make build on source tree (Up to oct 16, 1997), I got
>the following error
>
>======= Error =======
>usr.bin/make/PSD.doc
>bad system call -core dump

Did you install a new kernel before attempting to rebuild userland?
There have been more than enough warnings here in the past few days
that you'll break your system if you fail to do so.

--
entropy -- it's not just a good idea, it's the second law.