/* test.c */
/* Ubuntu 12.04.2 guest in Windows 7 Pro VirtualBox (updated) + guestutils
/* compiled with: gcc -lGL -lglut test.c -o test */
/* When run with ./test I get this error:
OpenGL Warning: XGetVisualInfo returned 0 visuals for 0x888c9d8
OpenGL Warning: Retry with 0x8002 returned 0 visuals
Segmentation fault (core dumped)
*/

#include <GL/glut.h>

void draw()
{
    glClearColor(0,1,0,1);
    glClear(GL_COLOR_BUFFER_BIT);
    glFlush();
}

int main(int argc, char *argv[])
{
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
    glutInitWindowPosition(50,25);
    glutInitWindowSize(500,250);
    glutCreateWindow("Green Window");
    glutDisplayFunc(draw);
    glutMainLoop();
    return 0;
}