Index: head/audio/carla/files/patch-source_theme_CarlaStyle.cpp
===================================================================
--- head/audio/carla/files/patch-source_theme_CarlaStyle.cpp
+++ head/audio/carla/files/patch-source_theme_CarlaStyle.cpp
@@ -0,0 +1,10 @@
+--- source/theme/CarlaStyle.cpp.orig	2020-05-28 16:39:10 UTC
++++ source/theme/CarlaStyle.cpp
+@@ -22,6 +22,7 @@
+ 
+ #if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
+ # include <QtGui/QPainter>
++# include <QtGui/QPainterPath>
+ # include <QtGui/QPixmapCache>
+ # include <QtWidgets/qdrawutil.h>
+ # include <QtWidgets/QApplication>