[racket] Opengl racket 5.2.1

You may need to install "gdkglext" and "gtkglext". See

  http://docs.racket-lang.org/gui/libs.html

for more information.

At Thu, 17 May 2012 11:56:39 -0300, Eduardo Bellani wrote:
> Hello racket team.
> 
> For some fun, I have tried to play around with the opengl library
> again. For starters I've tried to run the gears.rkt example.
> 
> This message popped up:
> 
> "There was an error initializing OpenGL. Maybe OpenGL is not supported
> on the current platform."
> 
> From looking at the source I can tell that there is a problem with
> the 	with-gl-context which means I guess that racket is failing to
> find my opengl libs. Here is a report from ldconfig
> 
> ldconfig -p | grep -i libgl
>         libglut.so.3 (libc6) => /usr/lib/libglut.so.3
>         libglut.so (libc6) => /usr/lib/libglut.so
>         libglibmm_generate_extra_defs-2.4.so.1 (libc6) =>
> /usr/lib/libglibmm_generate_extra_defs-2.4.so.1
>         libglibmm-2.4.so.1 (libc6) => /usr/lib/libglibmm-2.4.so.1
>         libglib-2.0.so.0 (libc6) => /lib/i386-linux-gnu/libglib-2.0.so.0
>         libglib-2.0.so (libc6) => /usr/lib/i386-linux-gnu/libglib-2.0.so
>         libglapi.so.0 (libc6, OS ABI: Linux 2.4.20) =>
> /usr/lib/i386-linux-gnu/libglapi.so.0
>         libglade-2.0.so.0 (libc6) => /usr/lib/libglade-2.0.so.0
>         libGLU.so.1 (libc6) => /usr/lib/i386-linux-gnu/libGLU.so.1
>         libGLU.so (libc6) => /usr/lib/i386-linux-gnu/libGLU.so
>         libGLEWmx.so.1.5 (libc6) => /usr/lib/libGLEWmx.so.1.5
>         libGLEW.so.1.5 (libc6) => /usr/lib/libGLEW.so.1.5
>         libGL.so.1 (libc6, OS ABI: Linux 2.4.20) =>
> /usr/lib/i386-linux-gnu/mesa/libGL.so.1
>         libGL.so (libc6, OS ABI: Linux 2.4.20) =>
> /usr/lib/i386-linux-gnu/mesa/libGL.so
>         libGL.so (libc6, OS ABI: Linux 2.4.20) =>
> /usr/lib/i386-linux-gnu/libGL.so
> 
> 
> I'm running ubuntu 11.10 on this machine. Any leads?
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