* config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
	add hpux-stdint.h to tm_file.
	(hppa[12]*-*-hpux11*): Ditto.
	(ia64*-*-hpux*): Ditto.
	* config/hpux-stdint.h: New.
	* gcc/config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
	__STDC_EXT__ for all compiles.
	* gcc/config/pa/pa-hpux.h: Ditto.
	* gcc/config/pa/pa-hpux10.h: Ditto.
	* gcc/config/pa/pa-hpux11.h: Ditto.

From-SVN: r146900