Index: head/x11-toolkits/qwt6/files/patch-src_qwt__null__paintdevice.h
===================================================================
--- head/x11-toolkits/qwt6/files/patch-src_qwt__null__paintdevice.h
+++ head/x11-toolkits/qwt6/files/patch-src_qwt__null__paintdevice.h
@@ -0,0 +1,10 @@
+--- src/qwt_null_paintdevice.h.orig	2020-05-30 06:48:02 UTC
++++ src/qwt_null_paintdevice.h
+@@ -11,6 +11,7 @@
+ #define QWT_NULL_PAINT_DEVICE_H 1
+ 
+ #include "qwt_global.h"
++#include <QPainterPath>
+ #include <qpaintdevice.h>
+ #include <qpaintengine.h>
+ 
Index: head/x11-toolkits/qwt6/files/patch-src_qwt__painter.h
===================================================================
--- head/x11-toolkits/qwt6/files/patch-src_qwt__painter.h
+++ head/x11-toolkits/qwt6/files/patch-src_qwt__painter.h
@@ -0,0 +1,18 @@
+--- src/qwt_painter.h.orig	2020-05-30 06:47:45 UTC
++++ src/qwt_painter.h
+@@ -17,6 +17,7 @@
+ #include <qpen.h>
+ #include <qline.h>
+ #include <qpalette.h>
++#include <QPainterPath>
+ 
+ class QPainter;
+ class QBrush;
+@@ -31,7 +32,6 @@ class QwtColorMap;
+ class QwtInterval;
+ 
+ class QTextDocument;
+-class QPainterPath;
+ 
+ /*!
+   \brief A collection of QPainter workarounds
Index: head/x11-toolkits/qwt6/files/patch-src_qwt__painter__command.h
===================================================================
--- head/x11-toolkits/qwt6/files/patch-src_qwt__painter__command.h
+++ head/x11-toolkits/qwt6/files/patch-src_qwt__painter__command.h
@@ -0,0 +1,12 @@
+--- src/qwt_painter_command.h.orig	2020-05-30 06:55:43 UTC
++++ src/qwt_painter_command.h
+@@ -15,8 +15,7 @@
+ #include <qpixmap.h>
+ #include <qimage.h>
+ #include <qpolygon.h>
+-
+-class QPainterPath;
++#include <QPainterPath>
+ 
+ /*!
+   QwtPainterCommand represents the attributes of a paint operation
Index: head/x11-toolkits/qwt6/files/patch-src_qwt__plot__glcanvas.h
===================================================================
--- head/x11-toolkits/qwt6/files/patch-src_qwt__plot__glcanvas.h
+++ head/x11-toolkits/qwt6/files/patch-src_qwt__plot__glcanvas.h
@@ -0,0 +1,10 @@
+--- src/qwt_plot_glcanvas.h.orig	2020-05-30 07:00:16 UTC
++++ src/qwt_plot_glcanvas.h
+@@ -11,6 +11,7 @@
+ #define QWT_PLOT_GLCANVAS_H
+ 
+ #include "qwt_global.h"
++#include <QPainterPath>
+ #include <qframe.h>
+ #include <qgl.h>
+