cw: give cw(1onbld) a new interface allowing for multiple arbitrary shadows

*** 14,32 ****
  #
  
  include $(SRC)/cmd/Makefile.cmd
  include $(SRC)/test/Makefile.com
  
! UTILS = util.c
  
  PROGS = \
          runtests \
          acquire-lock
  
  CSTD = $(CSTD_GNU99)
  
! SRCS = $(PROGS:%=%.c) $(UTILS)
  PROGS32 = $(PROGS:%=%.32)
  PROGS64 = $(PROGS:%=%.64)
  
  LINTS = $(PROGS:%=%.ln)
  LINTFLAGS += -erroff=E_NAME_DEF_NOT_USED2
--- 14,32 ----
  #
  
  include $(SRC)/cmd/Makefile.cmd
  include $(SRC)/test/Makefile.com
  
! OBJECTS=util.o runtests.32.o runtests.64.o acquire-lock.32.o acquire-lock.64.o
  
  PROGS = \
          runtests \
          acquire-lock
  
  CSTD = $(CSTD_GNU99)
  
! SRCS = $(PROGS:%=%.c) $(UTILS:%.o=%.c)
  PROGS32 = $(PROGS:%=%.32)
  PROGS64 = $(PROGS:%=%.64)
  
  LINTS = $(PROGS:%=%.ln)
  LINTFLAGS += -erroff=E_NAME_DEF_NOT_USED2
*** 59,74 ****
          $(INS.rename)
  
  %.ln: %.c
          $(LINT.c) $< $(UTILS) $(LDLIBS)
  
! %.64: %.c
!         $(LINK64.c) -o $@ $< $(UTILS) $(LDLIBS64)
          $(POST_PROCESS)
  
! %.32: %.c
!         $(LINK.c) -o $@ $< $(UTILS) $(LDLIBS)
          $(POST_PROCESS)
  
  clobber:
          $(RM) $(PROGS32) $(PROGS64)
  
--- 59,80 ----
          $(INS.rename)
  
  %.ln: %.c
          $(LINT.c) $< $(UTILS) $(LDLIBS)
  
! %.64.o: %.c
!         $(COMPILE64.c) $< -o $@
! 
! %.32.o: %.c
!         $(COMPILE.c) $< -o $@
! 
! %.64: %.64.o util.64.o
!         $(LINK64.c) -o $@ $< util.64.o $(LDLIBS64)
          $(POST_PROCESS)
  
! %.32: %.32.o util.32.o
!         $(LINK.c) -o $@ $< util.32.o $(LDLIBS)
          $(POST_PROCESS)
  
  clobber:
          $(RM) $(PROGS32) $(PROGS64)