From cbc2f511385238dad12cf46c41deab37e0ecb4be Mon Sep 17 00:00:00 2001
From: Jason Ho <git@hogt.me>
Date: Wed, 23 Oct 2024 00:24:33 -0700
Subject: [PATCH] relocate mac_eq to AP_ODIDScanner to fix some build issues

---
 libraries/AP_Avoidance/AP_Avoidance.cpp     | 9 ---------
 libraries/AP_Avoidance/AP_Avoidance.h       | 4 ++++
 libraries/AP_ODIDScanner/AP_ODIDScanner.cpp | 9 +++++++++
 libraries/AP_ODIDScanner/AP_ODIDScanner.h   | 2 +-
 4 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/libraries/AP_Avoidance/AP_Avoidance.cpp b/libraries/AP_Avoidance/AP_Avoidance.cpp
index 040044f68edee..0547ca7695b0e 100644
--- a/libraries/AP_Avoidance/AP_Avoidance.cpp
+++ b/libraries/AP_Avoidance/AP_Avoidance.cpp
@@ -260,15 +260,6 @@ void AP_Avoidance::add_obstacle(const uint32_t obstacle_timestamp_ms,
 }
 
 #if AP_ODIDSCANNER_ENABLED
-bool mac_eq(uint8_t a[6], uint8_t b[6]) {
-    return a[0] == b[0] &&
-           a[1] == b[1] &&
-           a[2] == b[2] &&
-           a[3] == b[3] &&
-           a[4] == b[4] &&
-           a[5] == b[5];
-}
-
 void AP_Avoidance::add_obstacle(uint32_t obstacle_timestamp_ms,
                       const MAV_COLLISION_SRC src,
                       uint8_t src_id[6],
diff --git a/libraries/AP_Avoidance/AP_Avoidance.h b/libraries/AP_Avoidance/AP_Avoidance.h
index 93b28e66b3d03..afe14506a5476 100644
--- a/libraries/AP_Avoidance/AP_Avoidance.h
+++ b/libraries/AP_Avoidance/AP_Avoidance.h
@@ -28,6 +28,10 @@
 #include <AP_ADSB/AP_ADSB.h>
 #include <AP_ODIDScanner/AP_ODIDScanner.h>
 
+#if AP_ODIDSCANNER_ENABLED
+extern bool mac_eq(uint8_t a[6], uint8_t b[6]);
+#endif
+
 #if HAL_ADSB_ENABLED
 
 #define AP_AVOIDANCE_STATE_RECOVERY_TIME_MS                 2000    // we will not downgrade state any faster than this (2 seconds)
diff --git a/libraries/AP_ODIDScanner/AP_ODIDScanner.cpp b/libraries/AP_ODIDScanner/AP_ODIDScanner.cpp
index b83b7556fc933..19c8a0eecc60b 100644
--- a/libraries/AP_ODIDScanner/AP_ODIDScanner.cpp
+++ b/libraries/AP_ODIDScanner/AP_ODIDScanner.cpp
@@ -21,6 +21,15 @@
 
 #define VEHICLE_TIMEOUT_MS 30000
 
+bool mac_eq(uint8_t a[6], uint8_t b[6]) {
+    return a[0] == b[0] &&
+           a[1] == b[1] &&
+           a[2] == b[2] &&
+           a[3] == b[3] &&
+           a[4] == b[4] &&
+           a[5] == b[5];
+}
+
 // TODO: Random default for mav_port needs fix
 AP_ODIDScanner::AP_ODIDScanner() : _mav_port(MAVLINK_PORT) {
 
diff --git a/libraries/AP_ODIDScanner/AP_ODIDScanner.h b/libraries/AP_ODIDScanner/AP_ODIDScanner.h
index cbfa99c2baf32..6ea0ad61cc34d 100644
--- a/libraries/AP_ODIDScanner/AP_ODIDScanner.h
+++ b/libraries/AP_ODIDScanner/AP_ODIDScanner.h
@@ -25,7 +25,7 @@
 #define VEHICLE_TIMEOUT_MS 30000
 #define MAVLINK_PORT 1
 
-extern bool mac_eq(uint8_t a[6], uint8_t b[6]); // From AP_Avoidance
+bool mac_eq(uint8_t a[6], uint8_t b[6]);
 
 struct Loc : Location {