cmake_minimum_required(VERSION 2.8) project(test_qx11_module) find_package(Qt5Core REQUIRED) find_package(Qt5Gui REQUIRED) find_package(Qt5X11Support REQUIRED) include_directories( ${Qt5X11Support_INCLUDE_DIRS} ) add_definitions( ${Qt5X11Support_DEFINITIONS} ) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${Qt5Core_EXECUTABLE_COMPILE_FLAGS}") add_executable(mainapp main.cpp) target_link_libraries(mainapp ${Qt5X11Support_LIBRARIES} )