!
! This is the ALPHA (previously called "EVAX") version of ARCH_DEFS.REQ,
! which contains architectural definitions for compiling VMS sources
! for VAX, ALPHA and IA64 systems.
!
%IF NOT %DECLARED( %QUOTE ARCH_DEFS )

%THEN

    MACRO VAXPAGE   = 0%;
    MACRO BIGPAGE   = 1%;

    MACRO VAX       = 0%;
    MACRO EVAX      = 1%;
    MACRO ALPHA     = 1%;
    MACRO IA64      = 0%;

    MACRO AXTOOLS   = 0%;       ! Cross-tools builds
    MACRO IXTOOLS   = 0%;

    MACRO AXVMS     = 0%;       ! Cross-platform builds
    MACRO IXVMS     = 0%;

    MACRO ADDRESSBITS =
    	%BPADDR%;		! = 32 or 64 based on compiler used

    %IF IA64 %THEN SWITCHES ALPHA_REGISTER_MAPPING; %FI

    MACRO ARCH_DEFS = 1%;

%FI