CMakeLists.txt

cmake_minimum_required(VERSION 3.21)

project(SerialCommunication)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_AUTOUIC ON)

set(MSYS2_DIR "D:/Environments/MSYS2-64bit")
set(MINGW32_DIR "D:/Qt/5.12.12/mingw73_32")

set(CMAKE_PREFIX_PATH "${MINGW32_DIR}/lib/cmake")
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/lib/cmake")

# 在 windows 系统下让软件的启动不显示命令行窗口
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -mwindows")

find_package(Qt5 COMPONENTS
        Core
        Gui
        Widgets
        REQUIRED)

include_directories(${PROJECT_SOURCE_DIR}/include)
link_directories(${PROJECT_SOURCE_DIR}/bin)
link_directories(${PROJECT_SOURCE_DIR}/lib)

add_executable(${PROJECT_NAME} main.cpp CommunicatorDialog.cpp CommunicatorDialog.h)
target_link_libraries(${PROJECT_NAME}
        Qt5::Core
        Qt5::Gui
        Qt5::Widgets)
target_link_libraries(${PROJECT_NAME} libcserialport.dll)

if (WIN32)
    # for function availableFriendlyPorts
    target_link_libraries(${PROJECT_NAME} setupapi)
elseif (APPLE)
    find_library(IOKIT_LIBRARY IOKit)
    find_library(FOUNDATION_LIBRARY Foundation)
    target_link_libraries(${PROJECT_NAME} ${FOUNDATION_LIBRARY} ${IOKIT_LIBRARY})
elseif (UNIX)
    target_link_libraries(${PROJECT_NAME} pthread)
endif ()

# 复制动态库文件
add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
        COMMAND ${CMAKE_COMMAND} -E copy
        "${PROJECT_SOURCE_DIR}/bin/libcserialport.dll"
        "$<TARGET_FILE_DIR:${PROJECT_NAME}>")
add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
        COMMAND ${CMAKE_COMMAND} -E copy
        "${PROJECT_SOURCE_DIR}/bin/libmodbus.dll"
        "$<TARGET_FILE_DIR:${PROJECT_NAME}>")
# 复制QT依赖文件
add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
        COMMAND ${CMAKE_COMMAND} -E copy_directory
        "${MINGW32_DIR}/plugins/platforms"
        "$<TARGET_FILE_DIR:${PROJECT_NAME}>/platforms")

if (WIN32)
    set(DEBUG_SUFFIX)
    if (CMAKE_BUILD_TYPE MATCHES "Debug")
        set(DEBUG_SUFFIX "d")
    endif ()
    set(QT_INSTALL_PATH "${CMAKE_PREFIX_PATH}")
    if (NOT EXISTS "${QT_INSTALL_PATH}/bin")
        set(QT_INSTALL_PATH "${QT_INSTALL_PATH}/..")
        if (NOT EXISTS "${QT_INSTALL_PATH}/bin")
            set(QT_INSTALL_PATH "${QT_INSTALL_PATH}/..")
        endif ()
    endif ()
    if (EXISTS "${QT_INSTALL_PATH}/share/qt5/plugins/platforms/qwindows${DEBUG_SUFFIX}.dll")
        add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
                COMMAND ${CMAKE_COMMAND} -E make_directory
                "$<TARGET_FILE_DIR:${PROJECT_NAME}>/plugins/platforms/")
        add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
                COMMAND ${CMAKE_COMMAND} -E copy
                "${QT_INSTALL_PATH}/share/qt5/plugins/platforms/qwindows${DEBUG_SUFFIX}.dll"
                "$<TARGET_FILE_DIR:${PROJECT_NAME}>/plugins/platforms/")
    endif ()
    foreach (QT_LIB Core)
        add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
                COMMAND ${CMAKE_COMMAND} -E copy
                "${QT_INSTALL_PATH}/bin/Qt5${QT_LIB}${DEBUG_SUFFIX}.dll"
                "$<TARGET_FILE_DIR:${PROJECT_NAME}>")
    endforeach (QT_LIB)
endif ()