diff --git a/autoconf/m4/ltdl.m4 b/autoconf/m4/ltdl.m4
index 0226f6399db..b3302fa61c9 100644
--- a/autoconf/m4/ltdl.m4
+++ b/autoconf/m4/ltdl.m4
@@ -379,3 +379,19 @@ if test x"$libltdl_cv_need_uscore" = xyes; then
     [Define if dlsym() requires a leading underscore in symbol names.])
 fi
 ])# AC_LTDL_DLSYM_USCORE
+
+# AC_LTDL_FUNC_ARGZ
+# -----------------
+AC_DEFUN([AC_LTDL_FUNC_ARGZ],
+[AC_CHECK_HEADERS([argz.h])
+
+AC_CHECK_TYPES([error_t],
+  [],
+  [AC_DEFINE([error_t], [int],
+    [Define to a type to use for `error_t' if it is not otherwise available.])],
+  [#if HAVE_ARGZ_H
+#  include <argz.h>
+#endif])
+
+AC_CHECK_FUNCS([argz_append argz_create_sep argz_insert argz_next argz_stringify])
+])# AC_LTDL_FUNC_ARGZ