quan j'esseye de compiler
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#include <SDL/SDL.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <cstdlib>
 
void Dessiner();
 
double angleZ = 0;
double angleX = 0;
 
int main(int argc, char *argv[])
{
    SDL_Event event;
 
    SDL_Init(SDL_INIT_VIDEO);
    atexit(SDL_Quit);
    SDL_WM_SetCaption("SDL GL Application", NULL);
    SDL_SetVideoMode(640, 480, 32, SDL_OPENGL);
 
    glMatrixMode( GL_PROJECTION );
    glLoadIdentity();
    gluPerspective(70,(double)640/480,1,1000);
 
    glEnable(GL_DEPTH_TEST);
 
    Dessiner();
 
    Uint32 last_time = SDL_GetTicks();
    Uint32 current_time,ellapsed_time;
    Uint32 start_time;
 
    for (;;)
    {
        start_time = SDL_GetTicks();
        while (SDL_PollEvent(&event))
        {
 
            switch(event.type)
            {
                case SDL_QUIT:
                exit(0);
                break;
            }
        }
 
        current_time = SDL_GetTicks();
        ellapsed_time = current_time - last_time;
        last_time = current_time;
 
        angleZ += 0.05 * ellapsed_time;
        angleX += 0.05 * ellapsed_time;
 
        Dessiner();
 
        ellapsed_time = SDL_GetTicks() - start_time;
        if (ellapsed_time < 10)
        {
            SDL_Delay(10 - ellapsed_time);
        }
 
    }
 
    return 0;
}
 
void Dessiner()
{
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
 
    glMatrixMode( GL_MODELVIEW );
    glLoadIdentity( );
 
    gluLookAt(3,4,2,0,0,0,0,0,1);
 
    glRotated(angleZ,0,0,1);
    glRotated(angleX,1,0,0);
 
    glBegin(GL_QUADS);
 
    glColor3ub(255,0,0); //face rouge
    glVertex3d(1,1,1);
    glVertex3d(1,1,-1);
    glVertex3d(-1,1,-1);
    glVertex3d(-1,1,1);
 
    glColor3ub(0,255,0); //face verte
    glVertex3d(1,-1,1);
    glVertex3d(1,-1,-1);
    glVertex3d(1,1,-1);
    glVertex3d(1,1,1);
 
    glColor3ub(0,0,255); //face bleue
    glVertex3d(-1,-1,1);
    glVertex3d(-1,-1,-1);
    glVertex3d(1,-1,-1);
    glVertex3d(1,-1,1);
 
    glColor3ub(255,255,0); //face jaune
    glVertex3d(-1,1,1);
    glVertex3d(-1,1,-1);
    glVertex3d(-1,-1,-1);
    glVertex3d(-1,-1,1);
 
    glColor3ub(0,255,255); //face cyan
    glVertex3d(1,1,-1);
    glVertex3d(1,-1,-1);
    glVertex3d(-1,-1,-1);
    glVertex3d(-1,1,-1);
 
    glColor3ub(255,0,255); //face magenta
    glVertex3d(1,-1,1);
    glVertex3d(1,1,1);
    glVertex3d(-1,1,1);
    glVertex3d(-1,-1,1);
 
    glEnd();
 
    glFlush();
    SDL_GL_SwapBuffers();
}
il me dise ceci comme error
[Linker error] undefined reference to `gluPerspective@32'
[Linker error] undefined reference to `gluLookAt@72'
ld returned 1 exit status
*** [2.exe] Error 1
je suis debutant donc je ne comprend po tres bien l'error