From 223f0c5d1304dd6295c77313fb6bd0c156755b62 Mon Sep 17 00:00:00 2001
From: Rui Chen <rui@chenrui.dev>
Date: Wed, 13 Jul 2022 22:09:07 -0400
Subject: [PATCH] fix compilation error

Signed-off-by: Rui Chen <rui@chenrui.dev>
---
 src/tty.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/tty.c b/src/tty.c
index e8696c6..4d17c98 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -57,6 +57,10 @@
 #define PATH_SERIAL_DEVICES "/dev/serial/by-id/"
 #endif
 
+#ifndef CMSPAR
+#define CMSPAR   010000000000
+#endif
+
 bool interactive_mode = true;
 
 static struct termios tio, tio_old, stdout_new, stdout_old, stdin_new, stdin_old;