LIBS += framework foundation

xybrid/xybrid.pro

@@ -31,9 +31,11 @@ CONFIG += c++17
 QMAKE_CXXFLAGS_DEBUG += -Og
 
 # automatically build file lists
-SOURCES += $$files(*.cpp, true)
+SOURCES += $$files(*.cpp, true) \
+    util/macos_urlhelper.mm
 HEADERS += $$files(*.h, true) \
-           $$files(*.hpp, true)
+           $$files(*.hpp, true) \
+           util/macos_urlhelper.h
 FORMS += $$files(*.ui, true)
 RESOURCES += res/resources.qrc
 
@@ -45,6 +47,8 @@ macx: {
     DEFINES += WITH_BOOST
     LIBS += -L/usr/local/Cellar/boost/1.70.0/lib/ -lboost_math_tr1
     LIBS    += -framework OpenGL
+    LIBS    += -framework Foundation
+    OBJECTIVE_SOURCES += util/macos_urlhelper.h
     QMAKE_CXXFLAGS += -I/usr/local/Cellar/boost/1.70.0/include/
 }