Qt Quick /Find Qt4 cmake Linking Issue

Build_Log

/Applications/CLion.app/Contents/bin/cmake/bin/cmake --build /Users/markus/Library/Caches/CLion2016.1/cmake/generated/Prog2BelegMedienverwaltung-551c6070/551c6070/Debug --target Prog2Beleg -- -j 2
[ 25%] Automatic moc for target Prog2Beleg
[ 25%] Built target Prog2Beleg_automoc
[ 50%] Linking CXX executable Prog2Beleg
Undefined symbols for architecture x86_64:
  "QDeclarativeEngine::QDeclarativeEngine(QObject*)", referenced from:
      _main in main.cpp.o
  "QDeclarativeEngine::~QDeclarativeEngine()", referenced from:
      _main in main.cpp.o
  "QDeclarativeContext::setContextProperty(QString const&, QObject*)", referenced from:
      _main in main.cpp.o
  "QDeclarativeContext::QDeclarativeContext(QDeclarativeContext*, QObject*)", referenced from:
      _main in main.cpp.o
  "QDeclarativeComponent::create(QDeclarativeContext*)", referenced from:
      _main in main.cpp.o
  "QDeclarativeComponent::setData(QByteArray const&, QUrl const&)", referenced from:
      _main in main.cpp.o
  "QDeclarativeComponent::QDeclarativeComponent(QDeclarativeEngine*, QObject*)", referenced from:
      _main in main.cpp.o
  "QDeclarativeComponent::~QDeclarativeComponent()", referenced from:
      _main in main.cpp.o
  "QDeclarativeEngine::rootContext() const", referenced from:
      _main in main.cpp.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[3]: *** [Prog2Beleg] Error 1
make[2]: *** [CMakeFiles/Prog2Beleg.dir/all] Error 2
make[1]: *** [CMakeFiles/Prog2Beleg.dir/rule] Error 2
make: *** [Prog2Beleg] Error 2

CMakeLists.txt

cmake_minimum_required(VERSION 3.0)
project(Prog2Beleg)

set(CMAKE_AUTOMOC ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)

#Only on my OSX MBP13
#set(QTDIR "/opt/local/libexec/qt4" CACHE PATH "FOO" FORCE)
#set(QT_QMAKE_EXECUTABLE "/opt/local/libexec/qt4/bin/qmake" CACHE FILEPATH "BAR" FORCE)

find_package(Qt4 REQUIRED)

include_directories(${Qt_INCLUDE_DIR})

set(SOURCE_FILES main.cpp)
add_executable(Prog2Beleg ${SOURCE_FILES})

if(NOT(Qt4_FOUND))
    target_link_libraries(Prog2Beleg Qt5::Widgets)
    else()
    target_link_libraries(Prog2Beleg Qt4::QtCore Qt4::QtGui)
endif()


set_property(TARGET Prog2Beleg PROPERTY LINKER_LANGUAGE CXX)
set_property(TARGET Prog2Beleg PROPERTY CXX_STANDARD 11)

main.cpp

#include <iostream>
#include <QtDeclarative/QDeclarativeContext>
#include <QtDeclarative/QDeclarativeEngine>
#include <QtDeclarative/QtDeclarative>




int main() {
    QDeclarativeEngine engine;
    QStringListModel modelData;
    QDeclarativeContext *context = new QDeclarativeContext(engine.rootContext());
    context->setContextProperty("myModel", &modelData);

    QDeclarativeComponent component(&engine);
    component.setData("import QtQuick 1.0\n ListView { model: myModel }", QUrl());
    QObject *window = component.create(context);

    return 0;
}