Index: configure.in
--- configure.in.orig
+++ configure.in
@@ -24,7 +24,8 @@ AC_PROG_CC
 AC_PROG_INSTALL
 
 dnl for gettext
-AM_GNU_GETTEXT
+AM_GNU_GETTEXT_VERSION([0.21])
+AM_GNU_GETTEXT([external])
 AC_CHECK_FUNC(gettext,,AC_CHECK_LIB(intl, gettext))
 localedir='${prefix}/share/locale'
 AC_SUBST(localedir)