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  The 32 and 64 bits binaries work perfectly well in Vista 64.

  I'll test in XP64 later.


> -----Original Message-----
> From: [mailto:lua-
>] On Behalf Of Danilo Roascio
> Sent: terça-feira, 10 de março de 2009 07:34
> To:
> Subject: XP64 Manifest Achitecture problems
> Hello everyone.
> This is to point out some problems I found with Lua binaries on
> Windows XP x64. I'm new to this mailing list and, actually, I'm not a
> Lua user. But I had to fix this problem because otherwise I couldn't
> run the wonderful Electric Sheep ( on this machine.
> ;)
> Anyway. I've found that 32-bit binaries from both
> and Lua for Windows do
> not work on XP 64-bit (with errors like the XP ones in
> ), while
> 64-bit binaries from
> work correctly. This shouldn't happen since XP64 has complete
> retro-compatibility with 32-bit apps (the only limitation is that you
> can't mix 32-bits libraries on a 64-bit processes and vice versa).
> This problem arises from the manifest of the executables set in
> lua_dllx.manifest:
> --- snip ---
>         <assemblyIdentity
>             type="win32"
>             name="Microsoft.VC80.CRT"
>             version="8.0.50727.762"
>             processorArchitecture="*"
>             publicKeyToken="1fc8b3b9a1e18e3b"
>         />
> --- snip ---
> Leaving processorArchitecture set to "*" works for 64-bits executables
> and Windows (or, better, Side-by-Side) will load the correct VC CRT
> libraries. On 32-bit executables instead, SxS will just fail in
> loading the libraries saying that they can't be found even if their
> 32-bit version is correctly installed. Setting
> processorArchitecture="x86" will solve this problem for 32-bit
> executables that will run smoothly on XP64. That can be left set to
> "*" (or to "Amd64") for 64-bit ones.
> The compiler (I guess) also adds a Windows Common Controls dependency
> with processorArchitecture="*", but that works regardless of
> executable type (don't ask me why).
> However, you may want to do additional tests on Vista 64, just to
> check how the "*" works there.
> Regards.
> Danilo