* c-lang.c (LANG_HOOKS_NAME): New.

	(lang_hooks): Constify.
	(c_init_options): Update.
	(lang_identify): Remove.
	* c-parse.in (language_string): Remove.
	* dbxout.c: Include langhooks.h.
	(dbxout_symbol_location): Update.
	* dwarf2out.c: Include langhooks.h.
	(gen_compile_unit_die): Update.
	* dwarfout.c: Include langhooks.h.
	(prototyped_attribute, output_compile_unit_die): Update.
	* langhooks-def.h (LANG_HOOKS_NAME, LANG_HOOKS_IDENTIFIER_SIZE): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.h (struct lang_hooks): New members.  Constify.
	* stringpool.c: Don't include toplev.h.
	(set_identifier_size): Remove.
	* toplev.c (toplev_main): Initialize identifier size.
	(print_version): Update.
	* tree.h (language_string, init_lex, lang_identify,
	set_identifier_size): Remove.
	* Makefile.in: Update dependencies.
	* config/darwin.c: Include langhooks.h.
	(func_name_maybe_scoped): Update.
	* config/darwin.h (ASM_END_FILE): Update.
	* config/nextstep.h (ASM_END_FILE): Update.
	* config/nextstep21.h (ASM_END_FILE): Update.
	* config/i386/sun386.h (ASM_END_FILE): Update.
	* config/rs6000/rs6000.c (ASM_END_FILE): Include langhooks.h.
	(rs6000_output_function_epilogue): Update.
ada:
	* misc.c (LANG_HOOKS_NAME, LANG_HOOKS_IDENTIFIER_SIZE): Override.
	(struct lang_hooks): Constify.
	(language_string, lang_identify): Remove.
	* utils.c (init_decl_processing): Update.
cp:
	* cp-lang.c (LANG_HOOKS_NAME): Override.
	(struct lang_hooks): Constify.
	* lex.c (cxx_init_options): Update.
	(lang_identify): Remove.
	* parse.y (language_string): Remove.
f:
	* com.c (language_string, lang_identify): Remove.
	(struct lang_hooks): Constify.
	(LANG_HOOKS_NAME): Override.
	(init_parse): Update.
java:
	* jcf-parse.c (init_lex): Remove.
	* lang.c (language_string, lang_identify): Remove.
	(struct lang_hooks): Constify.
	(LANG_HOOKS_NAME): Override.
	(init_parse): Update.
objc:
	* objc-act.c (LANG_HOOKS_NAME): Override.
	(struct lang_hooks): Constify.
	(objc_init_options): Update.
	(lang_identify): Remove.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46874 138bc75d-0d04-0410-961f-82ee72b054a4