From d58497bc8ee72ee44891a3f6f9c1735ca6b43e9e Mon Sep 17 00:00:00 2001
From: ellensp <530024+ellensp@users.noreply.github.com>
Date: Sat, 23 Apr 2022 21:16:15 +1200
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Fix=20BACKLASH=5FCOMPENSATION=20?=
 =?UTF-8?q?compile=20(#24072)?=
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Followup to #23826
---
 Marlin/src/feature/backlash.cpp | 47 ++++++++++++++++++---------------
 1 file changed, 26 insertions(+), 21 deletions(-)

diff --git a/Marlin/src/feature/backlash.cpp b/Marlin/src/feature/backlash.cpp
index 876d28a8fe..13e2cd99ec 100644
--- a/Marlin/src/feature/backlash.cpp
+++ b/Marlin/src/feature/backlash.cpp
@@ -162,32 +162,37 @@ int32_t Backlash::get_applied_steps(const AxisEnum axis) {
 }
 
 class Backlash::StepAdjuster {
-  xyz_long_t applied_steps;
-public:
-  StepAdjuster() {
-    LOOP_NUM_AXES(axis) applied_steps[axis] = backlash.get_applied_steps((AxisEnum)axis);
-  }
-  ~StepAdjuster() {
-    // after backlash compensation parameter changes, ensure applied step count does not change
-    LOOP_NUM_AXES(axis) residual_error[axis] += backlash.get_applied_steps((AxisEnum)axis) - applied_steps[axis];
-  }
+  private:
+    xyz_long_t applied_steps;
+  public:
+    StepAdjuster() {
+      LOOP_NUM_AXES(axis) applied_steps[axis] = backlash.get_applied_steps((AxisEnum)axis);
+    }
+    ~StepAdjuster() {
+      // after backlash compensation parameter changes, ensure applied step count does not change
+      LOOP_NUM_AXES(axis) residual_error[axis] += backlash.get_applied_steps((AxisEnum)axis) - applied_steps[axis];
+    }
 };
 
-void Backlash::set_correction_uint8(const uint8_t v) {
-  StepAdjuster adjuster;
-  correction = v;
-}
+#if ENABLED(BACKLASH_GCODE)
 
-void Backlash::set_distance_mm(const AxisEnum axis, const float v) {
-  StepAdjuster adjuster;
-  distance_mm[axis] = v;
-}
-
-#ifdef BACKLASH_SMOOTHING_MM
-  void Backlash::set_smoothing_mm(const float v) {
+  void Backlash::set_correction_uint8(const uint8_t v) {
     StepAdjuster adjuster;
-    smoothing_mm = v;
+    correction = v;
   }
+
+  void Backlash::set_distance_mm(const AxisEnum axis, const float v) {
+    StepAdjuster adjuster;
+    distance_mm[axis] = v;
+  }
+
+  #ifdef BACKLASH_SMOOTHING_MM
+    void Backlash::set_smoothing_mm(const float v) {
+      StepAdjuster adjuster;
+      smoothing_mm = v;
+    }
+  #endif
+
 #endif
 
 #if ENABLED(MEASURE_BACKLASH_WHEN_PROBING)