diff --git a/libprelude-0.9.20-libtool.patch b/libprelude-0.9.20-libtool.patch
new file mode 100644
index 0000000..e9e4a5d
--- /dev/null
+++ b/libprelude-0.9.20-libtool.patch
@@ -0,0 +1,12 @@
+diff -ur libprelude-0.9.20.orig/tests/Makefile.in libprelude-0.9.20/tests/Makefile.in
+--- libprelude-0.9.20.orig/tests/Makefile.in	2008-09-03 11:58:21.000000000 -0400
++++ libprelude-0.9.20/tests/Makefile.in	2008-09-04 11:02:38.000000000 -0400
+@@ -1012,7 +1012,7 @@
+ @HAVE_VALGRIND_TRUE@	$(MAKE) valgrind
+ 
+ @HAVE_VALGRIND_TRUE@%.valgrind: %
+-@HAVE_VALGRIND_TRUE@	libtool --mode=execute                                  \
++@HAVE_VALGRIND_TRUE@	$(LIBTOOL) --mode=execute                                  \
+ @HAVE_VALGRIND_TRUE@	$(VALGRIND) -q                                          \
+ @HAVE_VALGRIND_TRUE@	--tool=memcheck --leak-check=full --trace-children=yes  \
+ @HAVE_VALGRIND_TRUE@	--leak-resolution=high --num-callers=20                 \
diff --git a/libprelude.spec b/libprelude.spec
index ad12143..5ed63dd 100644
--- a/libprelude.spec
+++ b/libprelude.spec
@@ -15,7 +15,7 @@ Patch1:         libprelude-0.9.20-libtool.patch
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:	gnutls-devel, python-devel, ruby, ruby-devel, lua-devel
-BuildRequires:	swig valgrind chrpath
+BuildRequires:	swig chrpath valgrind glibc-debuginfo
 
 %description
 The Prelude Library is a collection of generic functions providing