--- glut.c	2000-01-06 17:37:43.000000000 +0100
+++ glut.c	2003-06-29 19:45:40.000000000 +0200
@@ -1457,6 +1457,28 @@
     rb_define_const(mGLUT, "CURSOR_NONE", INT2NUM(GLUT_CURSOR_NONE));
     rb_define_const(mGLUT, "CURSOR_FULL_CROSSHAIR", INT2NUM(GLUT_CURSOR_FULL_CROSSHAIR));
 
+#ifdef WIN32
+    rb_define_const(mGLUT, "BITMAP_8_BY_13", INT2NUM(2));
+    rb_define_const(mGLUT, "BITMAP_9_BY_15", INT2NUM(3));
+    rb_define_const(mGLUT, "BITMAP_TIMES_ROMAN_10", INT2NUM(4));
+    rb_define_const(mGLUT, "BITMAP_TIMES_ROMAN_24", INT2NUM(5));
+#if (GLUT_API_VERSION >= 3)
+    rb_define_const(mGLUT, "BITMAP_HELVETICA_10", INT2NUM(6));
+    rb_define_const(mGLUT, "BITMAP_HELVETICA_12", INT2NUM(7));
+    rb_define_const(mGLUT, "BITMAP_HELVETICA_18", INT2NUM(8));
+#endif
+#else /* non win32 */
+    rb_define_const(mGLUT, "BITMAP_8_BY_13", INT2NUM((unsigned int)&glutBitmap8By13));
+    rb_define_const(mGLUT, "BITMAP_9_BY_15", INT2NUM((unsigned int)&glutBitmap9By15));
+    rb_define_const(mGLUT, "BITMAP_TIMES_ROMAN_10", INT2NUM((unsigned int)&glutBitmapTimesRoman10));
+    rb_define_const(mGLUT, "BITMAP_TIMES_ROMAN_24", INT2NUM((unsigned int)&glutBitmapTimesRoman24));
+#if (GLUT_API_VERSION >= 3)
+    rb_define_const(mGLUT, "BITMAP_HELVETICA_10", INT2NUM((unsigned int)&glutBitmapHelvetica10));
+    rb_define_const(mGLUT, "BITMAP_HELVETICA_12", INT2NUM((unsigned int)&glutBitmapHelvetica12));
+    rb_define_const(mGLUT, "BITMAP_HELVETICA_18", INT2NUM((unsigned int)&glutBitmapHelvetica18));
+#endif
+#endif /* fonts */
+    
     callId = rb_intern("call");
 
     WINDOW_CALLBACK_DEFINE(DisplayFunc);