WIN32 symbol definition in rules\mak efile_defs_msvc.bkl

Hi Vaclav,
    I've found that for all MSVC formats Bakefile always defines the WIN32 
symbol... this is at least misleading on 64bit platforms: all source files gets 
compiled with /DWIN32 and with no 64-bit symbols (apparently).

The definition of symbol WIN32 is not really required since the cl compiler 
automatically defines the _WIN32 symbol on 32 bit platforms and both the _WIN32 
and _WIN64 symbols on 64 bit platforms...
should this be considered a bakefile bug which has to be fixed (by removing the 
relative <define>WIN32</define> line) ?

Thanks,
Francesco


PS: this problem was found while discussing 64bit compilation of wxWidgets; see 
http://groups.google.com/group/wx-
dev/browse_thread/thread/3c7579dcf0b98567/eeed0161aa30ef31#eeed0161aa30ef31




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