1681 support for BUILD64=# no longer works

*** 18,27 ****
--- 18,28 ----
  #
  # CDDL HEADER END
  #
  #
  # Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ # Copyright 2014 Andrew Stormont.
  #
  
  # rebind basic build macros to 64-bit versions
  
  CFLAGS=         $(CFLAGS64)
*** 35,44 ****
--- 36,54 ----
  COMPILE.b=      $(COMPILE64.b)
  LINK.c=         $(LINK64.c)
  LINK.cc=        $(LINK64.cc)
  LINT.c=         $(LINT64.c)
  
+ $(NOT_BUILD64)COMPILE.c=        /usr/bin/false
+ $(NOT_BUILD64)COMPILE.cc=       /usr/bin/false
+ $(NOT_BUILD64)COMPILE.s=        /usr/bin/false
+ $(NOT_BUILD64)COMPILE.d=        /usr/bin/false
+ $(NOT_BUILD64)COMPILE.b=        /usr/bin/false
+ $(NOT_BUILD64)LINK.c=           /usr/bin/false
+ $(NOT_BUILD64)LINK.cc=          /usr/bin/false
+ $(NOT_BUILD64)LINT.c=           /usr/bin/false
+ 
  CTF_FLAGS=      $(CTF_FLAGS_64)
  
  OFFSETS_CREATE= $(OFFSETS_CREATE64)
  
  #
*** 70,79 ****
--- 80,96 ----
  CPP=            $($(MACH64)_CPP)
  AS=             $($(MACH64)_AS)
  LD=             $($(MACH64)_LD)
  LINT=           $($(MACH64)_LINT)
  
+ $(NOT_BUILD64)CC=       /usr/bin/false
+ $(NOT_BUILD64)CCC=      /usr/bin/false
+ $(NOT_BUILD64)CPP=      /usr/bin/false
+ $(NOT_BUILD64)AS=       /usr/bin/false
+ $(NOT_BUILD64)LD=       /usr/bin/false
+ $(NOT_BUILD64)LINT=     /usr/bin/false
+ 
  REAL_CC=        $(CW_CC_CMD:sh)
  REAL_CCC=       $(CW_CCC_CMD:sh)
  
  BUILD.SO=       $(CC) $(CFLAGS) -o $@ $(GSHARED) $(DYNFLAGS) \
                  $(PICS) $(EXTPICS) -L $(ROOTLIBDIR64) $(LDLIBS)