Re: A problem with glut in cygwin

[Andre Bleau <bleau at igb dot umontreal dot ca>]

Amikam Liss <amikaml at netvision dot net dot il> wrote:

> Hi, I have a problem with glut, I will be happy if someone can help me:
> I have Windows98, I installed cygwin yesterday.
> I wrote a small progam in OpenGL using glut.
> I compiled the program with this command: (the program - triangle.c)
> gcc triangle.c -o triangle -lOpenGL32 -lGLU32 -lglut32 (I linked with the
> libraries of windows)

The correct order is (as written in /usr/doc/opengl-1.1.0/README.txt):
-lglut32 -lglu32 -lopengl32

> Now when I run the executable triangle.exe, the program is running ok (a
> rotated trinagle), but when I close the
> window, the programm hangs, the file triangle.exe  doesn't finish to run.
> This is the call stack:
> ...
> Cannot access memory at address 0x83941fec
>
> The main function:
>
> int main(int argc,char *argv[])
> {
> glutInit(&argc,argv);
> glInit();
> glutMainLoop();
> return 0;
> }

Your main is wrong. A minimalist GLUT program is:
-----------------------------------------------------------------------------#include 
<GL/glut.h>

void display_func()
{
/* Do some drawing here */
}

int main(int argc, char* argv[])
{
glutInit(&argc, argv);
glutCreateWindow("Hello GLUT!");
glutDisplayFunc(display_func);
glutMainLoop();
return 0;
}
-----------------------------------------------------------------------------


> What I can do to solve the problem?
> Thank you
> Amikam Liss



André Bleau, Cygwin's OpenGL package maintainer.

email: bleau at igb dot umontreal dot ca
(Fight SPAM: encode your email-address)

Please address all questions and problem reports about Cygwin's OpenGL 
package to cygwin@cygwin.com . 


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