1 files changed, 4 insertions, 1 deletions
diff --git a/progs/demos/shadowtex.c b/progs/demos/shadowtex.c
index 4787f0f29d..dc5a4bbc48 100644
--- a/progs/demos/shadowtex.c
+++ b/progs/demos/shadowtex.c
@@ -31,12 +31,12 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#define GL_GLEXT_PROTOTYPES
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/glut.h>
 #include "showbuffer.h"
 
@@ -788,6 +788,7 @@ Key(unsigned char key, int x, int y)
          exit(0);
          break;
    }
+   fflush(stdout);
    glutPostRedisplay();
 }
 
@@ -1014,6 +1015,7 @@ PrintHelp(void)
    printf("  <shift> + cursor keys = rotate light source\n");
    if (HaveEXTshadowFuncs)
       printf("  o = cycle through comparison modes\n");
+   fflush(stdout);
 }
 
 
@@ -1025,6 +1027,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(WindowWidth, WindowHeight);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL);
    glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);