```
workspace/sources/xulrunner-qt/gfx/cairo/cairo/src/cairo-qt-surface.cpp:305:18: error: field has incomplete type 'QPainterPath'
 0:03.93     QPainterPath path;
 0:03.93                  ^
 0:03.94 /building/build/tmp/work/aarch64-mx8mm-poky-linux/xulrunner-qt/60.9.1+git74-r0/recipe-sysroot/usr/include/QtGui/qmatrix.h:54:7: note: forward declaration of 'QPainterPath'
 0:03.94 class QPainterPath;
```