--- rrdtool-1.4.4/configure.old	2010-11-23 14:39:42.000000000 +0100
+++ rrdtool-1.4.4/configure	2010-11-23 14:40:32.656140783 +0100
@@ -1036,6 +1036,7 @@
 enable_lua_site_install
 enable_tcl
 with_tcllib
+enable_tcl_site
 enable_python
 '
       ac_precious_vars='build_alias
@@ -28584,9 +28585,9 @@
 	  TCL_INCLUDE_SPEC="$TCL_INCLUDE_SPEC -I$TCL_INC_DIR"
 	fi
   fi
-  # Check whether --enable-tcl was given.
-if test "${enable_tcl+set}" = set; then
-  enableval=$enable_tcl;
+  # Check whether --enable-tcl-site was given.
+if test "${enable_tcl_site+set}" = set; then
+  enableval=$enable_tcl_site;
 else
   enable_tcl_site=yes
 fi