--- aclocal.m4.orig	Mon Sep 17 04:25:38 2001
+++ aclocal.m4	Wed Oct  3 01:50:51 2001
@@ -213,7 +213,7 @@
 LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"
 
 # Always use our own libtool.
-LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+LIBTOOL='$(PORT_LIBTOOL)'
 AC_SUBST(LIBTOOL)dnl
 
 # Prevent multiple expansion