--- LibreCAD-2.2.0-rc1/librecad/src/lib/engine/lc_splinepoints.cpp	Fri Feb 16 04:54:45 2018
+++ LibreCAD-2.2.0-rc1_patched/librecad/src/lib/engine/lc_splinepoints.cpp	Tue Apr  5 08:37:52 2022
@@ -22,6 +22,7 @@
 **********************************************************************/
 
 #include <QPolygonF>
+#include <QPainterPath>
 #include "lc_splinepoints.h"
 
 #include "rs_circle.h"