216aef2a42
libraries, so that `ld -f' in can create correct dependencies for
yet-to-be-built libraries.
Use `DIR!= cd ...libbind; make -V .OBJDIR' to find libbind's object dir
if it doesn't seem to be in its usual place relative to ${.OBJDIR}.
This fixes `cd /usr/src/usr.sbin/nslookup; mkdir obj; make'.