From 42b8ee78cf95630e7d7a85ac0c0639b35cce1a50 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Sat, 31 Aug 2024 12:01:02 +1000
Subject: [PATCH] AP_Compass: remove use of AP_AHRS from most headers

don't need to know the details, just that it is a class
---
 libraries/AP_Compass/AP_Compass.cpp  | 1 +
 libraries/AP_Compass/Compass_learn.h | 4 +---
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/libraries/AP_Compass/AP_Compass.cpp b/libraries/AP_Compass/AP_Compass.cpp
index 2f3584e732..da8e2a1313 100644
--- a/libraries/AP_Compass/AP_Compass.cpp
+++ b/libraries/AP_Compass/AP_Compass.cpp
@@ -13,6 +13,7 @@
 #include <AP_ExternalAHRS/AP_ExternalAHRS.h>
 #include <AP_CustomRotations/AP_CustomRotations.h>
 #include <GCS_MAVLink/GCS.h>
+#include <AP_AHRS/AP_AHRS.h>
 
 #include "AP_Compass_config.h"
 
diff --git a/libraries/AP_Compass/Compass_learn.h b/libraries/AP_Compass/Compass_learn.h
index f24de57fef..c4b1f9a9e8 100644
--- a/libraries/AP_Compass/Compass_learn.h
+++ b/libraries/AP_Compass/Compass_learn.h
@@ -1,14 +1,12 @@
 #pragma once
 
-#include <AP_AHRS/AP_AHRS.h>
-
 /*
   compass learning using magnetic field tables from AP_Declination and GSF
  */
 
 class CompassLearn {
 public:
-    CompassLearn(Compass &compass);
+    CompassLearn(class Compass &compass);
 
     // called on each compass read
     void update(void);