✨ Nonlinear Extrusion Control (M592) (#26127)

Marlin/src/inc/SanityCheck.h

@@ -858,6 +858,19 @@ static_assert(COUNT(arm) == LOGICAL_AXES, "AXIS_RELATIVE_MODES must contain " _L
   #endif
 #endif
 
+/**
+ * Nonlinear Extrusion requirements
+ */
+#if ENABLED(NONLINEAR_EXTRUSION)
+  #if DISABLED(ADAPTIVE_STEP_SMOOTHING)
+    #error "ADAPTIVE_STEP_SMOOTHING is required for NONLINEAR_EXTRUSION."
+  #elif HAS_MULTI_EXTRUDER
+    #error "NONLINEAR_EXTRUSION doesn't currently support multi-extruder setups."
+  #elif DISABLED(CPU_32_BIT)
+    #error "NONLINEAR_EXTRUSION requires a 32-bit CPU."
+  #endif
+#endif
+
 /**
  * Special tool-changing options
  */