diff --git a/include/wx/cmdline.h b/include/wx/cmdline.h
index 6ac61e9361..ca9dbc04ea 100644
--- a/include/wx/cmdline.h
+++ b/include/wx/cmdline.h
@@ -17,6 +17,10 @@
     #pragma interface "cmdline.h"
 #endif
 
+#include "wx/defs.h"
+
+#if wxUSE_CMDLINE_PARSER
+
 #include "wx/string.h"
 
 class WXDLLEXPORT wxDateTime;
@@ -197,4 +201,6 @@ private:
     struct wxCmdLineParserData *m_data;
 };
 
+#endif // wxUSE_CMDLINE_PARSER
+
 #endif // _WX_CMDLINE_H_