X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3c679789bdbc8b42b7b71828b0f02f97614ee574..f377a3b58c509ceba8c9335dbe45d100cca615ad:/src/generic/sashwin.cpp

diff --git a/src/generic/sashwin.cpp b/src/generic/sashwin.cpp
index bb03e90044..bcc734ffd9 100644
--- a/src/generic/sashwin.cpp
+++ b/src/generic/sashwin.cpp
@@ -8,7 +8,7 @@
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:   	wxWindows license
+// Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -26,6 +26,10 @@
 #include "wx/wx.h"
 #endif
 
+#if !wxUSE_SASH
+    #error "Thisfile requires wxUSE_SASH to be defined."
+#endif // wxUSE_SASH
+
 #include <math.h>
 #include <stdlib.h>