Mine

--- ../quasar-1.4.7_GPL/configure       2005-06-22 21:06:17.000000000 -0700
+++ ./configure 2008-02-03 20:20:59.000000000 -0800
@@ -6093,7 +6093,7 @@
 if test -f /usr/include/tcl.h; then
     FOUND_TCL=yes
 else
-    DIRS="tcl tcl84 tcl8.4 tcl83 tcl8.3"
+    DIRS="tcl tcl84 tcl8.4 tcl8.5 tcl83 tcl8.3"
     for dir in $DIRS; do
        if test -f /usr/include/$dir/tcl.h; then
            FOUND_TCL="yes"
@@ -6173,7 +6173,7 @@
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 if test "$ac_cv_search_Tcl_Init" = no; then
-  for ac_lib in tcl tcl84 tcl8.4 tcl83 tcl8.3; do
+  for ac_lib in tcl tcl84 tcl8.5 tcl8.4 tcl83 tcl8.3; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -6256,7 +6256,7 @@
 if test -f /usr/include/tk.h; then
     FOUND_TK=yes
 else
-    DIRS="tcl tcl84 tcl8.4 tcl83 tcl8.3 tk tk84 tk8.4 tk83 tk8.3"
+    DIRS="tcl tcl84 tcl8.5 tcl8.4 tcl83 tcl8.3 tk tk84 tk8.4 tk8.5 tk83 tk8.3"
     for dir in $DIRS; do
        if test -f /usr/include/$dir/tk.h; then
            FOUND_TK="yes"