* Makefile.in (LIBCPP_DEPS): New macro.

	(cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
	it to declare deps.
	* cpperror.c: Include cpphash.h.
	* cppexp.c: Include cpphash.h.  Remove MULTIBYTE_CHARS
	dingleberry.
	(lex): Don't use CPP_WARN_UNDEF.
	(_cpp_parse_expr): Return an int, the truth value.
	* cppfiles.c: Include cpphash.h.
	(_cpp_merge_include_chains): Move to cppinit.c and make static.
	* cppinit.c (include_defaults_array): Disentangle.
	(cpp_cleanup): Don't free the if stack here.
	(cpp_finish): Pop off all buffers, not just one.
	* cpplib.c (eval_if_expr): Return int.
	(do_xifdef): Rename do_ifdef.
	(handle_directive): Don't use CPP_PREPROCESSED.
	(cpp_get_token): Don't use CPP_C89.
	* fix-header.c: Don't use CPP_OPTIONS.

	* cpplib.h: Move U_CHAR, enum node_type, struct
	file_name_list, struct ihash, is_idchar, is_idstart,
	is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
	CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
	CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
	CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
	CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
	of _cpp_simplify_pathname, _cpp_find_include_file,
	_cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
	Move struct if_stack to cpplib.c.  Move struct cpp_pending to
	cppinit.c.
	Change all uses of U_CHAR to be unsigned char instead.
	Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32435 138bc75d-0d04-0410-961f-82ee72b054a4

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