GitLab

	(c-options.c, c-options.h): Rename options.h and options.c.
	(options.h): Rename options_.h.
	(opts.o): New.
	* c-common.h (c_common_handle_option): Replace c_common_decode_option.
	(c_common_init_options): Update prototype.
	* c-lang.c (c_init_options): Update prototype.
	(LANG_HOOKS_HANDLE_OPTION): Override.
	(LANG_HOOKS_DECODE_OPTION): Drop.
	* c-opts.c: Include opts.h and options.h instead of c-options.h
	and c-options.c.
	(lang_flags): Move to file scope.
	(find_opt, c_common_decode_option): Remove.
	(CL_C, CL_OBJC, CL_CXX, CL_OBJCXX, CL_JOINED, CL_SEPARATE,
	CL_REJECT_NEGATIVE): Move to opts.h.
	(missing_arg): Update prototype.
	(c_common_init_options): Update for new prototype.
	(c_common_handle_options): Filenames are passed as N_OPTS.
	* hooks.c (hook_int_void_0): New.
	* hooks.h (hook_int_void_0): New.
	* langhooks-def.h (LANG_HOOKS_INIT_OPTIONS): New default.
	(LANG_HOOKS_HANDLE_OPTION): Default to NULL for now.
	(LANG_HOOKS_INITIALIZER): Update.
	* lang...