X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8b089c5e8c8a2140258d150ca1ce42afd3b79e1b..dbaf885e8725529ba66653aabe5f7f20bc1f28db:/samples/opengl/cube/cube.cpp

diff --git a/samples/opengl/cube/cube.cpp b/samples/opengl/cube/cube.cpp
index 2f145970d2..38c9d0f48a 100644
--- a/samples/opengl/cube/cube.cpp
+++ b/samples/opengl/cube/cube.cpp
@@ -27,6 +27,10 @@
 
 #include "wx/log.h"
 
+#if !wxUSE_GLCANVAS
+#error Please set wxUSE_GLCANVAS to 1 in setup.h.
+#endif
+
 #include "cube.h"
 
 #ifndef __WXMSW__     // for wxStopWatch, see remark below