From 0d38362c1a0fd55704fe868a27d864d81a62bbce Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Fri, 19 May 2023 10:53:55 +1000
Subject: [PATCH] waf: warn on missing declarations in SITL

---
 Tools/ardupilotwaf/boards.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Tools/ardupilotwaf/boards.py b/Tools/ardupilotwaf/boards.py
index 5131087ce9..8ccb521498 100644
--- a/Tools/ardupilotwaf/boards.py
+++ b/Tools/ardupilotwaf/boards.py
@@ -653,7 +653,8 @@ class sitl(Board):
                                 CANARD_ENABLE_CANFD = 1)
 
         env.CXXFLAGS += [
-            '-Werror=float-equal'
+            '-Werror=float-equal',
+            '-Werror=missing-declarations',
         ]
 
         if cfg.options.ubsan or cfg.options.ubsan_abort: