-#serial 4
+#serial 5
dnl From Jim Meyering.
dnl
dnl test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS"
dnl
-AC_DEFUN(jm_FUNC_GETGROUPS,
+AC_DEFUN([jm_FUNC_GETGROUPS],
[AC_REQUIRE([AC_TYPE_GETGROUPS])dnl
AC_REQUIRE([AC_TYPE_SIZE_T])dnl
AC_CHECK_FUNCS(getgroups)