diff -ur tclreadline-2.1.0.orig/configure.in tclreadline-2.1.0/configure.in
--- tclreadline-2.1.0.orig/configure.in	2000-12-08 01:45:45.000000000 +0100
+++ tclreadline-2.1.0/configure.in	2004-08-18 18:02:21.871828304 +0200
@@ -57,7 +57,7 @@
 
 AC_MSG_CHECKING([which tclConfig.sh to use])
 TCL_LIB_DIR=""
-for dir in $tcl_search /usr/lib /usr/local/lib $exec_prefix/lib /usr/local/lib/unix /opt/tcl/lib; do
+for dir in $tcl_search $libdir /usr/local/lib $exec_prefix/lib /usr/local/lib/unix /opt/tcl/lib; do
     if test -r $dir/tclConfig.sh; then
         TCL_LIB_DIR=$dir
         break
@@ -89,7 +89,7 @@
 if test "${prefix}" = "NONE"; then
     prefix=$TCL_PREFIX
 fi
-TCLRL_LIBDIR="${prefix}/lib"
+TCLRL_LIBDIR="${libdir}"
 AC_SUBST(TCLRL_LIBDIR)
 TCLRL_DIR="${TCLRL_LIBDIR}/tclreadline$VERSION"
 AC_SUBST(TCLRL_DIR)