Don't build svg.cpp, also no need to link QWidget :)

shell/CMakeLists.txt

@@ -33,14 +33,14 @@ set(CMAKE_CXX_FLAGS "${Qt5Widgets_EXECUTABLE_COMPILE_FLAGS}")
 
 add_executable(testplasma2
     main.cpp
-    svg.cpp
+#    svg.cpp
     desktopcorona.cpp
     view.cpp
 )
 
 # The Qt5Widgets_LIBRARIES variable also includes QtGui and QtCore
 target_link_libraries(testplasma2
- ${Qt5Widgets_LIBRARIES}
+ #${Qt5Widgets_LIBRARIES}
  ${Qt5Quick_LIBRARIES}
  ${Qt5Qml_LIBRARIES}
  ${kcoreaddons}

shell/main.cpp

@@ -19,7 +19,7 @@
 #include <QApplication>
 #include <QtQuick/QQuickView>
 #include <QtCore/QDebug>
-#include "svg.h"
+//#include "svg.h"
 
 #include <kaboutdata.h>
 #include <kcmdlineargs.h>