cmake_minimum_required(VERSION 3.16) project(qrexample VERSION 1.0.0 LANGUAGES CXX) set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD_REQUIRED ON) find_package(Qt6 REQUIRED COMPONENTS Core Widgets Gui Svg) qt_standard_project_setup() add_subdirectory(../ ${CMAKE_BINARY_DIR}/qrcode) qt_add_executable(qrexample main.cpp MainWindow.cpp ) target_link_libraries(qrexample PRIVATE qrcode Qt6::Core Qt6::Widgets Qt6::Gui Qt6::Svg)