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Re: [Bug-gnubg] compilation error: "'gl.h' file not found" on Mac OS X

From: Louis Zulli
Subject: Re: [Bug-gnubg] compilation error: "'gl.h' file not found" on Mac OS X
Date: Sun, 29 Jun 2014 08:14:25 -0400


On my 10.7.5 system, the header files gl.h and glu.h are present in at least 
three different locations:

Apple-supplied in /System/Library/Frameworks/OpenGL.framework/Headers
Xquartz-supplied in /Opt/X11/include/GL
Macports-supplied in /opt/local/include/GL

So one should proceed with caution here ...


On Jun 28, 2014, at 6:15 AM, Daisuke Takahashi wrote:

> Dear all,
> I encountered below compilation error when I configured the gnubg with 
> board3d.
>  In file included from drawboard3d.c:25:
>  ./inc3d.h:42:10: fatal error: 'gl.h' file not found
>  #include <gl.h>
>           ^
>  1 error generated.
> On Mac OS X (at least on OS X 10.7 and 10.8), header files for OpenGL seem to 
> be provided as 'OpenGL/*.h' instead of '*.h'. With attached two patches, 
> which replace <gl.h> and <glu.h> by <OpenGL/gl.h> and <OpenGL/glu.h>, the 
> compilation process finished successfully and the resultant binary works fine 
> here.
> This is potentially a macports-specific issue because I set up all of the X11 
> environment using macports, though, I am really happy if you can check my 
> patches. Thank you very much.
> Regards,
> Daisuke Takahashi
> <opengl_header-path_Mac_fun3d-h.diff><opengl_header-path_Mac_inc3d-h.diff>
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