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

@@ -61,13 +61,10 @@
 CPP=            $($(MACH64)_CPP)
 AS=             $($(MACH64)_AS)
 LD=             $($(MACH64)_LD)
 LINT=           $($(MACH64)_LINT)
 
-REAL_CC=        $(CW_CC_CMD:sh)
-REAL_CCC=       $(CW_CCC_CMD:sh)
-
 BUILD.SO=       $(CC) $(CFLAGS) -o $@ $(GSHARED) $(DYNFLAGS) \
                 $(PICS) $(EXTPICS) -L $(ROOTLIBDIR64) $(LDLIBS)
 
 #
 # ld(1) requires the -64 option to create a 64-bit filter solely from a mapfile