- 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
specifically, if we pass NULL addr, we cause the child to jump
to address zero and SIGSEGV immediatelly; pass (caddr_t) 1 instead
while here, improve some error messages and slighly delint