* config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.
(EXTRA_SPECS): Add netbsd_cpp_spec.
(CPP_SPEC): Use %(netbsd_cpp_spec).
(CPP_PREDEFINES): Remove.
* config/m68k/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
(EXTRA_SPECS): Define.
(CPP_SPEC): Use %(netbsd_cpp_spec).
(CPP_PREDEFINES): Remove.

From-SVN: r54016