Valentin Pepelea <valentin@netcom.com> writes:

> Is there document or FAQ that describes how to muck around with the
> kernel without breaking it? In my latest adventures, I have added a new
> kernel function, sys_foo(). I added and entry in syscalls.master, did a
> make init_sysents.c, recompiled the kernel and rebooted, made a softlink
> of /usr/include/sys to /usr/src/sys/sys went to /usr/src/lib/libc and
> make depend;make clean;make;make install, but no reference to foo() is
> to be found anywhere in libc.a. A foo.o stub was not created in /usr/src/
> lib/libc like for the other system calls.

You have to add the syscall stub to the appropriate place in
/usr/src/lib/libc/sys/Makefile.inc in order to have it generated.