Made VC++ makefiles and project files a bit more consistent

[wxWidgets.git] / samples / opengl / cube / cube.cpp

diff --git a/samples/opengl/cube/cube.cpp b/samples/opengl/cube/cube.cpp
index 2f145970d23d98a0dbb4396e1b5d236f02c6aa95..38c9d0f48a6e95ad9fd29f36f07d61a96d9a1feb 100644 (file)
--- 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