* config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
	(STACK_CHECK_PROTECT): Likewise.
	* config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
	(STACK_CHECK_PROTECT): Likewise.
	* config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
	(STACK_CHECK_PROTECT): Likewise.
	* config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
	* config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	(STACK_CHECK_PROTECT): Likewise.
ada/
	* system-vxworks-m68k.ads (Stack_Check_Probes): Set to True.
	(Stack_Check_Limits): Set to False.
	* system-vxworks-mips.ads (Stack_Check_Probes): Set to True.
	(Stack_Check_Limits): Set to False.
	* system-vxworks-ppc.ads (Stack_Check_Probes): Set to True.
	(Stack_Check_Limits): Set to False.
	* system-vxworks-sparcv9.ads (Stack_Check_Probes): Set to True.
	(Stack_Check_Limits): Set to False.
	* system-vxworks-x86.ads (Stack_Check_Probes): Set to True.
	(Stack_Check_Limits): Set to False.

From-SVN: r234171