pa-hpux.opt (flag_pa_unix): New Variable entry.

pa-hpux.opt (flag_pa_unix): New Variable entry.

	* config/pa/pa-hpux.opt (flag_pa_unix): New Variable entry.
	(munix=93): Use Var.
	* config/pa/pa-hpux1010.opt (munix=95): Use Var.
	* config/pa/pa-hpux1111.opt (munix=98): Use Var.
	* config/pa/pa-opts.h: New.
	* config/pa/pa.c (pa_cpu, flag_pa_unix): Remove.
	(pa_handle_option): Don't assert that global structures are in
	use.  Access target_flags via opts pointer.  Don't handle
	OPT_mschedule_, OPT_mfixed_range_, OPT_munix_93, OPT_munix_95 or
	OPT_munix_98 here.
	(pa_option_override): Handle deferred OPT_mfixed_range_.

From-SVN: r171324