1681 support for BUILD64=# no longer works

*** 20,29 ****
--- 20,30 ----
  #
  
  #
  # Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  # Copyright (c) 2012 by Delphix. All rights reserved.
+ # Copyright (c) 2014 Andrew Stormont.
  #
  
  #
  # Makefile.master, global definitions for system source
  #
*** 244,265 ****
  #
  # MACH64 is derived from MACH, and BUILD64 is set to `#' for
  # architectures on which we do not build 64-bit versions.
  # (There are no such architectures at the moment.)
  #
! # Set BUILD64=# in the environment to disable 64-bit amd64
! # builds on i386 machines.
  
  MACH64_1=       $(MACH:sparc=sparcv9)
  MACH64=         $(MACH64_1:i386=amd64)
  
  MACH32_1=       $(MACH:sparc=sparcv7)
  MACH32=         $(MACH32_1:i386=i86)
  
! sparc_BUILD64=
! i386_BUILD64=
! BUILD64=        $($(MACH)_BUILD64)
  
  #
  # C compiler mode. Future compilers may change the default on us,
  # so force extended ANSI mode globally. Lower level makefiles can
  # override this by setting CCMODE.
--- 245,269 ----
  #
  # MACH64 is derived from MACH, and BUILD64 is set to `#' for
  # architectures on which we do not build 64-bit versions.
  # (There are no such architectures at the moment.)
  #
! # Set BUILD64=# in the environment to disable 64-bit builds.
  
  MACH64_1=       $(MACH:sparc=sparcv9)
  MACH64=         $(MACH64_1:i386=amd64)
  
  MACH32_1=       $(MACH:sparc=sparcv7)
  MACH32=         $(MACH32_1:i386=i86)
  
! BUILD64=
! sparc_BUILD64=  $(POUND_SIGN)
! i386_BUILD64=   $(POUND_SIGN)
! $($(MACH)_BUILD64)=     $(BUILD64)
! 
! NOT_BUILD64=
! $(BUILD64)NOT_BUILD64=  $(POUND_SIGN)
  
  #
  # C compiler mode. Future compilers may change the default on us,
  # so force extended ANSI mode globally. Lower level makefiles can
  # override this by setting CCMODE.