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Date:	Wed, 21 Jun 2000 15:27:31 -0400
To:	cygwin AT sourceware DOT cygnus DOT com
From:	Andre Bleau <andre DOT bleau AT courriel DOT polymtl DOT ca>
Subject:	OpenGL, GLU, GLUT and GLUI: how do I make a contrib
Mime-Version:	1.0
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id PAA25602

Hi there.

I prepared modified include files to ease the development of programs based 
on the OpenGL, GLU, GLUT and GLUI libraries. Cygwin 1.1.2 provides 
libopengl32.a, libglu32.a and libglut32.a in usr/lib but no include files 
(.h). I prepared a bzip2'ed tar file that I would like to share with the 
Cygwin community, but for the moment, I don't have my own ftp server. The 
tar ball is about 200K; content:

	usr/local/include/GL/glut.h
 From http://reality.sgi.com/mjk_asd/glut3/glut3.html; modified to add 
__attribute__ ((__stdcall__)) to the declaration of functions to enable 
linking with glut32.dll via usr/lib/libglut32.a . Jerome G. Benoit provided 
hints about how to do it and provided an example; thanks Jerome!

	usr/local/bin/glut32.dll
 From http://reality.sgi.com/mjk_asd/glut3/glut3.html; not modified. Move 
to some directory in your path or add usr/local/bin to your path.

	usr/local/include/GL/glu.h
Modified version of usr/X11R6/include/GL/glu.h from 
ftp://sourceware.cygnus.com/pub/cygwin/xfree/xc-4-binaries/xfree86-4.0-devel.tar.bz2 
to add __attribute__ ((__stdcall__)) to the declaration of functions to 
enable linking with glu32.dll via usr/lib/libglu32.a .

	usr/local/include/GL/gl.h
Modified version of usr/X11R6/include/GL/gl.h from 
ftp://sourceware.cygnus.com/pub/cygwin/xfree/xc-4-binaries/xfree86-4.0-devel.tar.bz2 
to add __attribute__ ((__stdcall__)) to the declaration of functions to 
enable linking with opengl32.dll via usr/lib/libopengl32.a .

	usr/local/include/glui.h
 From http://www.cs.unc.edu/~rademach/glui/; not modified. Header file for 
the GLUI tool kit version 2.0 beta.

	usr/local/lib/libglui.a
A static library compiled from unmodified sources of the GLUI tool kit 
version 2.0 beta, found at http://www.cs.unc.edu/~rademach/glui/. 
Compilation with -O3 optimization. I highly recommend this very useful tool 
kit.

Modified sections of the .h files are bracketed by
#ifdef (__CYGWIN__)
#endif

libglui.a, libglut32.a, libglu32.a and libopengl32.a interface with Windows 
NT/2000. I don't know about Windows 95/98. No X server required.

I will email an attached copy of the tar ball upon request.

Regards,

André Bleau, ing., analyste
bleau AT courriel DOT polymtl DOT ca

Département de génie électrique et         Electric Engineering and
de génie informatique                      Computer Engineering department
École Polytechnique de Montréal            Montreal Polytechnic School


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