--- configure.ac.tcl	2011-07-06 13:12:49.000000000 +0800
+++ configure.ac	2011-07-06 13:15:55.000000000 +0800
@@ -262,7 +262,7 @@
 if test "x$have_tcl" != "xno"; then
 	have_tcl=no
 	AC_MSG_CHECKING([for tclConfig.sh])
-	for dir in $tcl /lib /usr/lib /usr/lib/tcl8.4 /usr/tcl/lib /usr/local/lib /usr/local/tcl-8.4/lib /usr/local/tcl/lib /opt/lib; do
+	for dir in $enable_tcl /lib /usr/lib /usr/lib/tcl8.4 /usr/tcl/lib /usr/local/lib /usr/local/tcl-8.4/lib /usr/local/tcl/lib /opt/lib; do
 		if test -f $dir/tclConfig.sh; then
 			. $dir/tclConfig.sh
 			TCL_LIBS="$TCL_LIB_SPEC $TCL_LIBS"