--- tcl8.5-8.5.11.orig/unix/configure
+++ tcl8.5-8.5.11/unix/configure
@@ -18771,7 +18771,7 @@
 
 eval "TCL_LIB_FILE=${TCL_LIB_FILE}"
 
-TCL_LIBRARY='$(prefix)/lib/tcl$(VERSION)'
+test -z "$TCL_LIBRARY" && TCL_LIBRARY='$(prefix)/lib/tcl$(VERSION)'
 PRIVATE_INCLUDE_DIR='$(includedir)'
 HTML_DIR='$(DISTDIR)/html'
 
--- tcl8.5-8.5.11.orig/unix/configure.in
+++ tcl8.5-8.5.11/unix/configure.in
@@ -738,7 +738,7 @@
 
 eval "TCL_LIB_FILE=${TCL_LIB_FILE}"
 
-TCL_LIBRARY='$(prefix)/lib/tcl$(VERSION)'
+test -z "$TCL_LIBRARY" && TCL_LIBRARY='$(prefix)/lib/tcl$(VERSION)'
 PRIVATE_INCLUDE_DIR='$(includedir)'
 HTML_DIR='$(DISTDIR)/html'
 
--- tcl8.5-8.5.11.orig/library/init.tcl
+++ tcl8.5-8.5.11/library/init.tcl
@@ -46,7 +46,7 @@
 }
 namespace eval tcl {
     variable Dir
-    foreach Dir [list $::tcl_library [file dirname $::tcl_library]] {
+    foreach Dir [list $::tcl_library] {
 	if {$Dir ni $::auto_path} {
 	    lappend ::auto_path $Dir
 	}