--- a/macros/configure.in
+++ b/macros/configure.in
@@ -30,7 +30,7 @@ AC_PROG_CC
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET
 AC_PATH_PROG(RM, rm, rm)
-AC_PATH_PROG(AR, ar, ar)
+AM_PROG_AR
 
 AC_CHECK_PROG(system,uname,`uname`,unknown)