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compiling Open GL on SGI?

I am trying to learn OpenGL on the SGI.  Anyhow I can't figure out what I need to do to compile a basic program such as

#include <GL/gl.h>
#include "aux.h"

int main(int argc, char** argv)
    auxInitDisplayMode (AUX_SINGLE | AUX_RGBA);
    auxInitPosition (0,0,500, 500);
    glClearColor(0.0, 0.0, 0.0, 0.0);

I know this doesn't do anything other then use some openGL calls.  When I compile trying

cc -I./libaux sample.c

I get a bunch of link errors similar to

ld: ERROR 33: Unresolved text symbol "glClear" -- 1st referenced by sample.o.

I assume this is because I am not including the openGL libraries in my compile statement.  what are they?  what should my compile statement look like?

give my a single line that will compile the above code.

aux.h is header files from the book "OpenGL Programming Guide"  You can even omit aux.h and just give me a line that will compile a program that contains one line in the main statement

1 Solution
You should also incliude <GL/glu.h>
micahAuthor Commented:
That include statement does not help at all.  I think the problem is linking with the libraries and has to do with the compile statement.  The example in the book does not include glu.h, although later ones do.  I don't think any of the statements in the above program are from glu.h.  In any case I get the same errors including glu.h
   cc -I./libaux -lGL -lgl sample.c
    cc -I./libaux -lGL -lgl_s sample.c
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