* c-common.c (enum c_language_kind, flag_objc): Remove.

	(fix_string_type, check_case_value, c_common_nodes_and_builtins,
	c_add_case_label, finish_label_addr_expr, boolean_increment):
	Use c_dialect_ macros.
	* c-common.h (enum c_language_kind): Extend.
	(c_dialect_cxx, c_dialect_objc): New.
	(flag_objc): Remove.
	(c_common_init_options): Update prototype.
	* c-cppbuiltin.c (define__GNUC__, c_cpp_builtins): Use c_dialect_
	macros.
	* c-decl.c (finsih_decl, grokfield, finish_struct): Use c_dialect_
	macros.
	* c-format.c (C_STD_VER, C_STD_NAME): Similarly.
	* c-lang.c (c_init_options): Remove.
	(c_language): Define.
	(LANG_HOOKS_INIT_OPTIONS): Use common hook.
	* c-lex.c (lex_charconst): Use c_dialect_cxx().
	* c-opts.c (lang_flags): Make function-local.
	(c_common_init_options): Use c_dialect_ macros.  Handle
	C++ diagnostic requirements.
	(c_common_handle_option, c_common_post_options): Use flag_cxx.
	* c-parse.in (init_reswords): Use c_dialect_objc ().
	* c-pch.c (get_ident): Use c_language.
	* c-pretty-print.c (pp_c_bool_literal): Use c_dialect_ macros.
	* c-typeck.c (comptypes, build_c_cast): Similarly.
	* objc/objc-lang.c (c_language): Define.
	(LANG_HOOKS_INIT_OPTIONS): Use common hook.
	(objc_init_options): Remove.
cp:
	* Make-lang.in: Update.
	* cp-lang.c (c_language): Define.
	(LANG_HOOKS_INIT_OPTIONS): Use common hook.
	* cp-tree.h (cxx_init_options): Remove.
	* lex.c: Don't include diagnostic.h.
	(cxx_init_options): Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68734 138bc75d-0d04-0410-961f-82ee72b054a4

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