--- a/configure.ac	Mon Aug 18 06:25:38 2008 +0000
+++ b/configure.ac	Mon Aug 18 06:31:08 2008 +0000
@@ -2074,9 +2074,12 @@
 	TCLCONFIG=no
 	TCLCONFIGDIRS="/usr/lib \
 			/usr/lib64 \
+			/usr/lib/tcl8.5 \
 			/usr/lib/tcl8.4 \
 			/usr/lib/tcl8.3 \
 			/usr/lib/tcl8.2 \
+			/usr/lib64/tcl8.5 \
+			/usr/lib64/tcl8.4 \
 			/System/Library/Tcl/8.3 \
 			/usr/local/lib"
 	for dir in $with_tclconfig $TCLCONFIGDIRS; do