--- main.cpp.orig 2014-06-09 19:39:33.355708525 +0400 +++ main.cpp 2014-06-09 19:40:20.729705674 +0400 @@ -20,6 +20,9 @@ #include "piece3dobject.h" #include "nether.h" +#include "GL/gl.h" +#include "GL/glut.h" + /* GLOBAL VARIABLES INITIALIZATION: */ int SCREEN_X=640; @@ -158,6 +161,8 @@ screen_sfc = initialization((fullscreen ? SDL_FULLSCREEN : 0)); if (screen_sfc==0) return 0; + glutInit(&argc, argv); + time=init_time=SDL_GetTicks(); while (!quit) {