2011-05-05  Steve Ellcey  <sje@cup.hp.com>

	* config.gcc (hppa*64*-*-hpux11*): Modify tm_file and extra_options
	for 11.31.
	(hppa[12]*-*-hpux11*): Ditto.
	(ia64*-*-hpux*): Add ia64/hpux-unix2003.h to tm_file.
	* config/ia64/hpux-unix2003.h: New.
	* config/pa/pa-hpux1131.opt: New.
	* config/pa/pa-hpux1131.h: New.
	* config/pa/pa64-hpux.h (STARTFILE_SPEC): Use unix2003.o if requested.
	* config/pa/pa-hpux.opt (flag_pa_unix): Check TARGET_HPUX_11_31 value.
	config/pa/pa.h (TARGET_HPUX_11_31): Provide default (0) value.

From-SVN: r173437