diff -urN xfce4-diskperf-plugin-2.0/configure.ac xfce4-diskperf-plugin-2.0.new/configure.ac
--- xfce4-diskperf-plugin-2.0/configure.ac	2006-11-14 17:13:53.000000000 +0100
+++ xfce4-diskperf-plugin-2.0.new/configure.ac	2006-11-14 17:13:32.000000000 +0100
@@ -24,6 +24,7 @@
 dnl Check for basic programs
 AC_PROG_CC
 AC_PROG_INSTALL
+AC_PROG_LIBTOOL
 AC_PROG_INTLTOOL
 
 dnl Check for standard header files