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From: "ldries46" <bertus.dries@planet.nl>
Newsgroups: comp.lang.ada
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In-Reply-To: <f0430110-bb38-48fe-979b-debab739d93e@googlegroups.com>
Subject: Re: Strange behavior of OpenGLUT
Date: Wed, 27 Feb 2013 11:45:27 +0100
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Date: 2013-02-27T11:45:27+01:00
List-Id: <comp.lang.ada>

I have  the following links in my grp file:

"-LC:\windows\system32", "-LD:\gcc\lib\freeglut", "-lfreeglut"
In the directory D:\gcc\lib\freeglut the file freeglut.lib is found which 
contains the glut.... subprograms according to Libview



"Egil H�vik"  schreef in bericht 
news:f0430110-bb38-48fe-979b-debab739d93e@googlegroups.com...

On Wednesday, February 27, 2013 10:15:52 AM UTC+1, ldries46 wrote:
>
> undefined reference to 'glutSwapBuffers'
>

This looks like a linker error, not a compiler error. You probably need to 
link with glut. I guess you already link with opengl, something along the 
lines of "-lGL", so try to add "-lGLU" or "-lglut" as well.