X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/820893d0d41b94b22dada287355ad27489c21721..25088f1eea365f0da7aeb565932dd4fe0fd5d20e:/contrib/samples/deprecated/treelay/treelay.cpp

diff --git a/contrib/samples/deprecated/treelay/treelay.cpp b/contrib/samples/deprecated/treelay/treelay.cpp
index 9b1df20bcf..43d9c9832c 100644
--- a/contrib/samples/deprecated/treelay/treelay.cpp
+++ b/contrib/samples/deprecated/treelay/treelay.cpp
@@ -20,7 +20,13 @@
 #include "wx/wx.h"
 #endif
 
-#include "wx/treelay.h"
+#include "wx/deprecated/setup.h"
+
+#if !wxUSE_TREELAYOUT
+#error Please set wxUSE_TREELAYOUT to 1 in contrib/include/wx/deprecated/setup.h and recompile.
+#endif
+
+#include "wx/deprecated/treelay.h"
 
 #include "treelay.h"