vms.h (TARGET_OS_CPP_BUILTINS): Define __CRTL_VER and __VMS_VER.

vms.h (TARGET_OS_CPP_BUILTINS): Define __CRTL_VER and __VMS_VER.

2012-03-16  Tristan Gingold  <gingold@adacore.com>

	* config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
	__CRTL_VER and __VMS_VER.
	* config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
	and vms_c_get_vms_ver.
	* config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
	functions.
	* config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
	(VMS_DEFAULT_VMS_VER): Define.
	* config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
	(VMS_DEFAULT_VMS_VER): Define.

From-SVN: r185462