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  1. gray@elemental:~$ aptitude search opengl p   libghc6-opengl-dev              
  2. #include <GL/glut.h>
  3. #include <stdlib.h>
  4.  
  5. void display(void)
  6. {
  7.     glClearColor(0,0,0,0);
  8.  
  9.     glClear(GL_COLOR_BUFFER_BIT);
  10.  
  11.     glBegin(GL_LINES);
  12.  
  13.     glColor3f(1,1,1);
  14.  
  15.     glVertex2f(0,0);
  16.     glVertex2f(0.5,0.1);
  17.     glVertex2f(0.5,0.1);
  18.     glVertex2f(0.4,0.4);
  19.  
  20.     glVertex2f(0.4,0.4);
  21.     glVertex2f(-0.1,0.3);
  22.  
  23.     glVertex2f(0,0);
  24.     glVertex2f(-0.1,0.3);
  25.     glVertex2f(-0.1,0.3);
  26.     glVertex2f(-0.2,0);
  27.     glVertex2f(-0.2,0);
  28.     glVertex2f(0,0);
  29.  
  30.     glVertex2f(0,0);
  31.     glVertex2f(0,-0.5);
  32.     glVertex2f(0,-0.5);
  33.     glVertex2f(0.5,-0.4);
  34.     glVertex2f(0.5,-0.4);
  35.     glVertex2f(0.5,0.1);
  36.     glVertex2f(0,-0.5);
  37.  
  38.     glVertex2f(-0.2,-0.4);
  39.     glVertex2f(-0.2,0);
  40.  
  41.     glVertex2f(-0.2,-0.4);
  42.     glVertex2f(-0.2,0);
  43.  
  44.  
  45.  
  46.  
  47.     glEnd();
  48.  
  49.     glFlush();
  50. }
  51.  
  52. int main(int argc, char *argv[])
  53. {
  54.     glutInit(&argc, argv);
  55.     glutInitWindowSize(640,500);
  56.     glutInitWindowPosition(1,1);
  57.  
  58.     glutCreateWindow("hut");
  59.  
  60.     glutDisplayFunc(display);
  61.  
  62.  
  63.     glutMainLoop();
  64.  
  65.     return EXIT_SUCCESS;
  66. }
  67.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:1:5: error: stray ‘@’ in program
 gray@elemental:~$ aptitude search opengl p   libghc6-opengl-dev
     ^
prog.cpp:2:21: fatal error: GL/glut.h: No such file or directory
 #include <GL/glut.h>
                     ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/AhotrT
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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