1 files changed, 3 insertions, 0 deletions
diff --git a/acconfig.h b/acconfig.h
index e194b78..96b5432 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -52,6 +52,9 @@
 /* Define if you want to use GNU readline. */
 #undef READLINE
 
+/* Define if you have the older readline, with rl_deprep_terminal. */
+#undef READLINE_OLD
+
 /* Define if RLIMIT_foo defines need _KERNEL. */
 #undef RLIMIT_NEEDS_KERNEL