netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.

netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.

* config/sparc/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.
(CPP_PREDEFINES): Make sure this is undefined.
(CPP_SUBTARGET_SPEC64, CPP_SUBTARGET_SPEC32): Remove.
(CPP_SUBTARGET_SPEC): Don't provide different versions for
default-32 and default-64.  Just always use %(netbsd_cpp_spec).
(SUBTARGET_EXTRA_SPECS): Remove cpp_subtarget_spec32 and
cpp_subtarget_spec64.  Add netbsd_cpp_spec.
* config/sparc/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
(CPP_PREDEFINES): Make sure this is undefined.
(SUBTARGET_EXTRA_SPECS): Define.
(CPP_SPEC): Use %(netbsd_cpp_spec).

From-SVN: r54030