--- ruby-rrd-1.1/main.c	2002-10-22 20:10:30.000000000 +0200
+++ main.c	2006-05-10 11:45:43.990351000 +0200
@@ -143,10 +143,15 @@
     char **calcpr, **p;
     VALUE result, print_results;
     int i, xsize, ysize;
-
+    
+    double ymin,ymax; //needed by:
+    FILE *outstream;  //rrd_graph (RRDtool 1.2.6) 
+    
     a = string_arr_new(args);
     reset_rrd_state();
-    rrd_graph(a.len, a.strings, &calcpr, &xsize, &ysize);
+    rrd_graph(a.len, a.strings, &calcpr, &xsize, &ysize,outstream,
+		    &ymin,&ymax); //(RRDtool 1.2.6)
+    //rrd_graph(a.len, a.strings, &calcpr, &xsize, &ysize); //(RRDtool 1.0.*)
     string_arr_delete(a);
 
     RRD_CHECK_ERROR