diff -Naur tcl8.5.5/unix/configure tcl8.5.5-magellan/unix/configure
--- tcl8.5.5/unix/configure	2008-10-14 21:44:37.000000000 +0200
+++ tcl8.5.5-magellan/unix/configure	2008-10-16 01:16:42.000000000 +0200
@@ -18726,7 +18726,7 @@
 
 eval "TCL_LIB_FILE=${TCL_LIB_FILE}"
 
-TCL_LIBRARY='$(prefix)/lib/tcl$(VERSION)'
+TCL_LIBRARY='$(libdir)/tcl$(VERSION)'
 PRIVATE_INCLUDE_DIR='$(includedir)'
 HTML_DIR='$(DISTDIR)/html'
 
diff -Naur tcl8.5.5/unix/configure.in tcl8.5.5-magellan/unix/configure.in
--- tcl8.5.5/unix/configure.in	2008-10-14 21:44:37.000000000 +0200
+++ tcl8.5.5-magellan/unix/configure.in	2008-10-16 01:16:42.000000000 +0200
@@ -715,7 +715,7 @@
 
 eval "TCL_LIB_FILE=${TCL_LIB_FILE}"
 
-TCL_LIBRARY='$(prefix)/lib/tcl$(VERSION)'
+TCL_LIBRARY='$(libdir)/tcl$(VERSION)'
 PRIVATE_INCLUDE_DIR='$(includedir)'
 HTML_DIR='$(DISTDIR)/html'