--- rrd-0.10.0/config.m4.build	2011-03-02 12:55:17.000000000 +0100
+++ rrd-0.10.0/config.m4	2011-03-05 19:17:27.484350149 +0100
@@ -2,7 +2,7 @@
 dnl Comments in this file start with the string 'dnl'.
 
 PHP_ARG_WITH(rrd, for rrdtool support,
-[  --with-rrd[=DIR]          Include rrdtool support (requires rrdtool >= 1.2.x)])
+[  --with-rrd[=DIR]          Include rrdtool support (requires rrdtool >= 1.3.x)])
 
 if test "$PHP_RRD" != "no"; then
   if test "$PHP_RRD" != "yes"; then
@@ -64,10 +64,10 @@
     -L$RRDTOOL_LIBDIR -ldl
   ])
 
-  dnl rrd_version is available in 1.2.0+
-  PHP_CHECK_FUNC(rrd_version, rrd)
-  if test "$ac_cv_func_rrd_version" != yes; then
-    AC_MSG_ERROR([rrd lib version seems older then 1.2.0+, update to 1.3.0+])
+  dnl rrd_graph_v is available in 1.3.0+
+  PHP_CHECK_FUNC(rrd_graph_v, rrd)
+  if test "$ac_cv_func_rrd_graph_v" != yes; then
+    AC_MSG_ERROR([rrd lib version seems older than 1.3.0, update to 1.3.0+])
   fi
 
   dnl rrd_lastupdate_r available in 1.4.0+