[Midnightbsd-cvs] src: share/mk: Most of the other BSDs define CPPFLAGS in addition to

[laffer1 at midnightbsd.org]

Log Message:
-----------
Most of the other BSDs define CPPFLAGS in addition to CFLAGS and CXXFLAGS.  This fixes some compatibility problems with their BSDmakefiles

Modified Files:
--------------
    src/share/mk:
        bsd.lib.mk (r1.5 -> r1.6)
        (http://cvsweb.midnightbsd.org/src/share/mk/bsd.lib.mk?r1=1.5&r2=1.6)
        bsd.prog.mk (r1.4 -> r1.5)
        (http://cvsweb.midnightbsd.org/src/share/mk/bsd.prog.mk?r1=1.4&r2=1.5)
        sys.mk (r1.4 -> r1.5)
        (http://cvsweb.midnightbsd.org/src/share/mk/sys.mk?r1=1.4&r2=1.5)