format of 'sccsid' lines so they consistently match style(9).
A minor Makefile change is needed so lptest.c can find lp.cdefs.h.
Reviewed by: discussed with bde and obrien
MFC after: 15 days
libraries so that `ld -f' in can create correct dependencies for
yet-to-be-built libraries.
Get the default BINDIR correctly (by including ../Makefile.inc recursively.
Override the default it it is wrong.
Don't override defaults when the defaults are correct.