- list NOxxx and LDSTATIC= assignments before everything else
(especially <bsd.own.mk>)
- ensure <bsd.own.mk> is included before NETBSDSRCDIR is used
- add missing RCSids
- add more sanity checks in the regression:
1. check that we get a new pid in the child
2. check that the stack in the child is the one we passed
3. check invalid argument handling
4. check running out of processes returns the right cod
XXX: does not work on the sparc, so it is ifdef'ed out