From 77039f38f689638f4d49d9cb9a3d46a05efc0080 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Tue, 7 Feb 2023 13:17:39 +1100
Subject: [PATCH] ArduSub: add and use AP_ADVANCEDFAILSAFE_ENABLED

---
 ArduSub/system.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ArduSub/system.cpp b/ArduSub/system.cpp
index f3639b96ca..55d571e553 100644
--- a/ArduSub/system.cpp
+++ b/ArduSub/system.cpp
@@ -275,8 +275,11 @@ bool Sub::should_log(uint32_t mask)
 #include <AP_ADSB/AP_ADSB.h>
 
 // dummy method to avoid linking AFS
+#if AP_ADVANCEDFAILSAFE_ENABLED
 bool AP_AdvancedFailsafe::gcs_terminate(bool should_terminate, const char *reason) { return false; }
 AP_AdvancedFailsafe *AP::advancedfailsafe() { return nullptr; }
+#endif
+
 #if HAL_ADSB_ENABLED
 // dummy method to avoid linking AP_Avoidance
 AP_Avoidance *AP::ap_avoidance() { return nullptr; }