1 diff --git a/openscad.pro b/openscad.pro
2 index a2eefe6..20b1864 100644
5 @@ -440,8 +440,7 @@ SOURCES += src/version_check.cc \
6 src/LibraryInfoDialog.cc
9 -SOURCES += src/ext/polyclipping/clipper.cpp
10 -HEADERS += src/ext/polyclipping/clipper.hpp
11 +LIBS += -lpolyclipping
14 INCLUDEPATH += src/libtess2/Include
15 diff --git a/src/clipper-utils.h b/src/clipper-utils.h
16 index 0dc7cd0..c98cda0 100644
17 --- a/src/clipper-utils.h
18 +++ b/src/clipper-utils.h
22 -#include "ext/polyclipping/clipper.hpp"
23 +#include <polyclipping/clipper.hpp>
24 #include "Polygon2d.h"
26 namespace ClipperUtils {
27 --- openscad-openscad-2019.01-RC4/src/libsvg/shape.h~ 2019-03-17 02:57:25.000000000 +0100
28 +++ openscad-openscad-2019.01-RC4/src/libsvg/shape.h 2019-04-19 14:37:29.511178262 +0200
30 #include <Eigen/Geometry>
33 -#include "ext/polyclipping/clipper.hpp"
34 +#include <polyclipping/clipper.hpp>