Patch by Robert Scheck <robert@fedoraproject.org> for tclreadline >= 2.1.0 which ensures
that tclreadline-2.1.0.so gets installed into /usr/lib64 on 64 bit architectures rather on
/usr/lib as upstream would do. It also avoids undefined non-weak symbols by linking tcl.

--- tclreadline-2.1.0/Makefile.am			2000-12-08 01:50:51.000000000 +0100
+++ tclreadline-2.1.0/Makefile.am.libdir		2010-04-05 20:34:06.000000000 +0200
@@ -22,7 +22,7 @@
 ## libtclreadline_la_LIBADD = $(LIBS)
 libtclreadline_la_LDFLAGS = -release $(MAJOR).$(MINOR).$(PATCHLEVEL)
 
-tclrldir = @TCLRL_DIR@
+tclrldir = @libdir@
 tclrl_SCRIPTS = pkgIndex.tcl tclreadlineCompleter.tcl tclreadlineInit.tcl tclreadlineSetup.tcl
 INSTALL_SCRIPT = ${INSTALL_DATA}
 
--- tclreadline-2.1.0/configure.in			2000-12-08 01:45:45.000000000 +0100
+++ tclreadline-2.1.0/configure.in.libdir		2010-04-07 00:54:26.000000000 +0200
@@ -89,9 +89,9 @@
 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"
+TCLRL_DIR="${libdir}"
 AC_SUBST(TCLRL_DIR)
 
 # HEADERS
--- tclreadline-2.1.0/Makefile.am			2011-01-01 02:01:57.987194966 +0100
+++ tclreadline-2.1.0/Makefile.am.libdir		2011-01-01 02:35:14.438178363 +0100
@@ -19,7 +19,7 @@
 
 INCLUDES = -I$(TCL_INCLUDE_DIR) -I$(READLINE_INCLUDE_DIR)
 
-## libtclreadline_la_LIBADD = $(LIBS)
+libtclreadline_la_LIBADD = $(TCL_LIB_SPEC)
 libtclreadline_la_LDFLAGS = -release $(MAJOR).$(MINOR).$(PATCHLEVEL)
 
 tclrldir = @libdir@