am-alpha.h: Don't include alloca for OPEN_VMS.

am-alpha.h: Don't include alloca for OPEN_VMS.

        * am-alpha.h: Don't include alloca for OPEN_VMS.
        * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
        * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
        (GCC_INCLUDE_DIR): Define
        * make-cc.com, make-cccp.com, make-cc1.com: Removed.
        * makefile.vms: New file.
        * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
        * alpha.c (output_prolog): Output '.name' directive
        for minimal traceback information.
        * alpha.c (output_prolog): Don't prepend entry point symbols
        with '$' on OPEN_VMS.

From-SVN: r17546