diff --git a/bindings/tcl/tclrrd.c b/bindings/tcl/tclrrd.c
index 5d4e9b7e7190eead0d6cc01f26a12baa0dd01aa4..6a5250c66632cb92f1ce62bd07937cb8dd6ee9e3 100644 (file)
--- a/bindings/tcl/tclrrd.c
+++ b/bindings/tcl/tclrrd.c
#include <rrd_tool.h>
#include <rrd_format.h>
+/* support pre-8.4 tcl */
+
+#ifndef CONST84
+# define CONST84
+#endif
+
extern int Tclrrd_Init(Tcl_Interp *interp);
extern int Tclrrd_SafeInit(Tcl_Interp *interp);