* Makefile.in (optabs.o): Depend on real.h
	(resource.o): Depend on insn-attr.h

	* builtins.c (result_vector): Wrap prototype in macro conditions
	governing definition and use.

	* c-common.c: Include tm_p.h.

	* c-lex.c: Likewise.

	* elfos.h: Constify a char*.

	* final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
	(get_attr_length, shorten_branches, profile_after_prologue): Mark
	parameter with ATTRIBUTE_UNUSED.

	* fold-const.c (exact_real_inverse): Wrap variable `i' in
	CHECK_FLOAT_VALUE.

	* haifa-sched.c (schedule_insns): Mark parameter with
	ATTRIBUTE_UNUSED.

	* optabs.c: Include real.h.

	* real.h (ereal_atof): Add prototype arguments.

	* resource.c: Include insn-attr.h.

	* sdbout.c (sdbout_queue_anonymous_type,
	sdbout_dequeue_anonymous_types): Wrap in macro
	SDB_ALLOW_FORWARD_REFERENCES.
	(sdbout_init, sdbout_start_new_source_file): Mark parameter with
	ATTRIBUTE_UNUSED.

	* stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.

	* stupid.c: Include tm_p.h.

	* tree.c (real_value_from_int_cst): Mark parameter with
	ATTRIBUTE_UNUSED.

cp:
	* lex.c: Include tm_p.h.

ch:
	* lex.c: Include tm_p.h.

From-SVN: r31308