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Message-ID: <005901c1af02$98a610a0$2801a8c0@dcuthbert2k>
From: "Dylan Cuthbert" <dylan AT q-games DOT com>
To: "Barubary" <barubary AT cox DOT net>, <cygwin AT cygwin DOT com>
References: <002301c1aef8$228e5440$2801a8c0 AT dcuthbert2k> <02f301c1aefe$fe475b20$a7eb0544 AT CX535256D>
Subject: Re: DirectX8/DirectInput + cygwin
Date: Wed, 6 Feb 2002 20:37:02 +0900
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So have the direct3d/directsound .lib files that come with cygwin already
been processed for use with C++?  Or are they only useable from C too as you
say?

Regards

---------------------------------
Q-Games, Dylan Cuthbert.
http://www.q-games.com

----- Original Message -----
From: "Barubary" <barubary AT cox DOT net>
To: <cygwin AT cygwin DOT com>
Sent: Wednesday, February 06, 2002 8:11 PM
Subject: Re: DirectX8/DirectInput + cygwin


> Getting DirectX to work from cygwin GCC essentially can't be done from
C++,
> but can be done from C.  It can't be done from C++ because of the way COM
> virtual tables work.  GCC can't clone Visual C++'s method because
Microsoft
> holds a U.S. patent on their exact method.  Just try using MFC from GCC
and
> you'll know exactly what I mean.
>
> In C, the virtual table system is done by actually creating the vtable
> structure in the header file, so this isn't a problem.  If you modify the
> DirectX header files, you could fix this for C++, but you'd have to
> do ->lpVtable all the time, like in C.
>
> GCC, or rather binutils, can't handle the Microsoft import library format.
> binutils of course has its own, so you could make your own from the DLL.
>
> If import libraries don't work, you could always GetProcAddress on
> DirectInputCreate8 after loading dinput8.dll.  Then the problem becomes
how
> to get to the weird global functions (D3DX matrix stuff, for instance).
>
> -- Barubary
>
> ----- Original Message -----
> From: "Dylan Cuthbert" <dylan AT q-games DOT com>
> To: "Cygwin AT Cygwin. Com" <cygwin AT cygwin DOT com>
> Sent: Wednesday, February 06, 2002 2:22 AM
> Subject: DirectX8/DirectInput + cygwin
>
> > When compiling a DirectInput8 function such as DirectInput8Create() I
get
> an
> > error linking:
> > Unable to resolve DirectInput8Create AT 20
>
>
>
> --
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