diff -u clucene-core-0.9.21b/debian/changelog clucene-core-0.9.21b/debian/changelog
--- clucene-core-0.9.21b/debian/changelog
+++ clucene-core-0.9.21b/debian/changelog
@@ -1,3 +1,10 @@
+clucene-core (0.9.21b-2+libtool) unreleased; urgency=low
+
+  * Use dh-autoreconf to update libtool at build time, in order to fix a
+    build error on x32.
+
+ -- Daniel Schepler <schepler@debian.org>  Sun, 10 Feb 2013 10:10:36 -0800
+
 clucene-core (0.9.21b-2) unstable; urgency=low
 
   * Restore libclucene0ldbl package name. (Closes: #542337)
diff -u clucene-core-0.9.21b/debian/control clucene-core-0.9.21b/debian/control
--- clucene-core-0.9.21b/debian/control
+++ clucene-core-0.9.21b/debian/control
@@ -2,7 +2,7 @@
 Priority: optional
 Maintainer: Fathi Boudra <fabo@debian.org>
 Uploaders: Daniel Glassey <wdg@debian.org>
-Build-Depends: debhelper (>= 7.3), quilt (>= 0.46-7), autotools-dev
+Build-Depends: debhelper (>= 7.3), quilt (>= 0.46-7), autotools-dev, dh-autoreconf, libltdl-dev, automake1.9
 Standards-Version: 3.8.3
 Section: libs
 Homepage: http://clucene.sourceforge.net
diff -u clucene-core-0.9.21b/debian/rules clucene-core-0.9.21b/debian/rules
--- clucene-core-0.9.21b/debian/rules
+++ clucene-core-0.9.21b/debian/rules
@@ -1,7 +1,10 @@
 #!/usr/bin/make -f
 
 %:
-	dh --with quilt $@
+	dh --with quilt,autoreconf $@
+
+override_dh_autoreconf:
+	dh_autoreconf ./autogen.sh
 
 override_dh_auto_configure:
 	CFLAGS="$(CFLAGS) -ansi" CXXFLAGS="$(CXXFLAGS) -ansi" dh_auto_configure