--- a/Makefile.in
+++ b/Makefile.in
@@ -8,6 +8,7 @@ APRUTIL_MAJOR_VERSION=@APRUTIL_MAJOR_VER
 APRUTIL_DOTTED_VERSION=@APRUTIL_DOTTED_VERSION@
 
 srcdir = @srcdir@
+top_builddir = @top_builddir@
 VPATH = @srcdir@
 
 INCLUDES = @APRUTIL_PRIV_INCLUDES@ @APR_INCLUDES@ @APRUTIL_INCLUDES@
--- a/configure.in
+++ b/configure.in
@@ -40,6 +40,8 @@ AC_SUBST(APU_CONFIG_LOCATION)
 AC_CANONICAL_SYSTEM
 
 AC_PROG_INSTALL
+AC_PROG_LIBTOOL
+LT_INIT
 
 # Use -no-install to link the test programs on all platforms
 # but Darwin, where it would cause the programs to be linked