Re: Predefine _M_IX86 in gcc

----- Original Message -----
From: "Cosmin Truta" <[email protected]>
To: <[email protected]>
Sent: Tuesday, 17 December 2002 04:58
Subject: [MinGW-patches] Predefine _M_IX86 in gcc


>
> Hi,
>
> I needed to use OpenGL/glut under MinGW. I grabbed glut-3.7.6, but
> I needed to do some fixing, so that CALLBACK is defined properly
> (below).
> This is a fragment of glut.h.
>
> #   if (defined(_M_MRX000) || defined(_M_IX86) || defined(_M_ALPHA) ||
\
>   defined(_M_PPC)) && !defined(MIDL_PASS) || defined(__LCC__)
> #    define CALLBACK __stdcall
> #   else
> #    define CALLBACK
> #   endif
>
> Adding "defined(__GCC__)" was a quick and effective fix for me.
However,
> I think that _M_IX86 should be predefined when compiling a Win32/Intel
> program, regardless of the compiler used.

Those defines are done for you if you include windows.h.
_M_IX86 is defined in winnt.h
CALLBACK is defined in windef.h

Danny



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