langhooks-def.h (lhd_init_options, [...]): New.

	* langhooks-def.h (lhd_init_options, LANG_HOOKS_OPTION_LANG_MASK,
	LANG_HOOKS_COMPLAIN_WRONG_LANG_P): New.
	(LANG_HOOKS_INIT_OPTIONS): Update default definition.
	(LANG_HOOKS_INITIALIZER): Add new hooks.
	* langhooks.c (lhd_init_options, lhd_complain_wrong_lang_p): New.
	* langhooks.h (struct lang_hooks): Add new hooks option_lang_mask
	and complain_wrong_lang_p.  Update init_options prototype.
	* c-objc-common.c (c_initialize_diagnostics): First call
	c_common_initialize_diagnostics.
	* c-objc-common.h (LANG_HOOKS_OPTION_LANG_MASK,
	LANG_HOOKS_COMPLAIN_WRONG_LANG_P): Define.
	* coretypes.h (struct cl_option, struct cl_decoded_option):
	Declare.
	* hooks.c (hook_uint_uint_constcharptrptr_0): Remove.
	(hook_uint_void_0): New.
	* hooks.h (hook_uint_uint_constcharptrptr_0): Remove.
	(hook_uint_void_0): New.
	* opts-common.c (decode_cmdline_option,
	decode_cmdline_options_to_array): Also fill in canonical_option
	field.
	* opts.c (complain_wrong_lang): Use langhook to determine whether
	to complain instead of special-casing LTO.
	(decode_options): Separate lang_mask determination with
	option_lang_mask hook from call of init_options hook.
	* opts.h (struct cl_decoded_option): Add canonical_option.

ada:
	* gcc-interface/misc.c (gnat_option_lang_mask): New.
	(gnat_init_options): Update prototype.  Reconstruct argv array
	from decoded options.

c-family:
	* c-common.h (c_common_option_lang_mask,
	c_common_initialize_diagnostics, c_common_complain_wrong_lang_p):
	New.
	(c_common_init_options): Update prototype.
	* c-opts.c (c_common_option_lang_mask): New.
	(c_common_initialize_diagnostics): Split out of
	c_common_init_options.
	(accept_all_c_family_options, c_common_complain_wrong_lang_p):
	New.
	(c_common_init_options): Update prototype.  Use decoded options in
	search for -lang-asm.

cp:
	* cp-objcp-common.c (cxx_initialize_diagnostics): First call
	c_common_initialize_diagnostics.
	* cp-objcp-common.h (LANG_HOOKS_OPTION_LANG_MASK,
	LANG_HOOKS_COMPLAIN_WRONG_LANG_P): Define.

fortran:
	* cpp.c (gfc_cpp_init_options): Update prototype.  Use number of
	decoded options in allocating deferred_opt.
	* cpp.h (gfc_cpp_init_options): Update prototype.
	* f95-lang.c (LANG_HOOKS_OPTION_LANG_MASK): Define.
	* gfortran.h (gfc_option_lang_mask): New.
	(gfc_init_options): Update prototype.
	* options.c (gfc_option_lang_mask): New.
	(gfc_init_options): Update prototype.  Pass new arguments to
	gfc_cpp_init_options.

java:
	* lang.c (java_option_lang_mask): New.
	(java_init_options): Update prototype.
	(LANG_HOOKS_OPTION_LANG_MASK): Define.

lto:
	* lto-lang.c (lto_option_lang_mask, lto_complain_wrong_lang_p):
	New.
	(lto_init_options): Update prototype.
	(LANG_HOOKS_OPTION_LANG_MASK, LANG_HOOKS_COMPLAIN_WRONG_LANG_P):
	Define.

From-SVN: r162560