CMakeLists.txt

cmake_minimum_required(VERSION 3.5)

set(CMAKE_DISABLE_SOURCE_CHANGES ON)
set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)

project(GraphDrawer LANGUAGES CXX)

set(CMAKE_INCLUDE_CURRENT_DIR ON)

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

set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# QtCreator supports the following variables for Android, which are identical to qmake Android variables.
# Check https://doc.qt.io/qt/deployment-android.html for more information.
# They need to be set before the find_package( ...) calls below.

#if(ANDROID)
#    set(ANDROID_PACKAGE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/android")
#    if (ANDROID_ABI STREQUAL "armeabi-v7a")
#        set(ANDROID_EXTRA_LIBS
#            ${CMAKE_CURRENT_SOURCE_DIR}/path/to/libcrypto.so
#            ${CMAKE_CURRENT_SOURCE_DIR}/path/to/libssl.so)
#    endif()
#endif()

find_package(QT NAMES Qt6 Qt5 COMPONENTS Widgets PrintSupport REQUIRED)
find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Widgets PrintSupport REQUIRED)

set(PROJECT_SOURCES
        main.cpp
        mainwindow.cpp
        mainwindow.h
        mainwindow.ui
        qcustomplot.cpp
        qcustomplot.h
        exprtk.hpp
)

if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
    qt_add_executable(${PROJECT_NAME}
        ${PROJECT_SOURCES}
    )
else()
    if(ANDROID)
        add_library(${PROJECT_NAME} SHARED
            ${PROJECT_SOURCES}
        )
    else()
        add_executable(${PROJECT_NAME}
            WIN32
            ${PROJECT_SOURCES}
        )
    endif()
endif()

# fix exprtk compile error
if(MSVC)
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj")
elseif(MINGW)
	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wa,-mbig-obj")
endif()

target_link_libraries(${PROJECT_NAME} PRIVATE Qt${QT_VERSION_MAJOR}::Widgets)
target_link_libraries(${PROJECT_NAME} PRIVATE Qt${QT_VERSION_MAJOR}::PrintSupport)

# run windeployqt or macdeployqt
if(WIN32 OR APPLE)
    get_target_property(_qmake_executable Qt5::qmake IMPORTED_LOCATION)
    get_filename_component(_qt_bin_dir "${_qmake_executable}" DIRECTORY)

    if(WIN32)
        set(DEPLOYQT_NAME "windeployqt")
    elseif(APPLE)
        set(DEPLOYQT_NAME "macdeployqt")
    endif()

    find_program(DEPLOYQT_EXECUTABLE ${DEPLOYQT_NAME} HINTS "${_qt_bin_dir}")

    add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
        COMMAND "${CMAKE_COMMAND}" -E
            env PATH="${_qt_bin_dir}" "${DEPLOYQT_EXECUTABLE}"
                "$<TARGET_FILE:${PROJECT_NAME}>"
        COMMENT "Running ${DEPLOYQT_NAME}..."
    )
endif()