CMakeLists.txt

cmake_minimum_required(VERSION 3.16)
project(TWin)

set(CMAKE_CXX_COMPILER g++)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")

set(CMAKE_PREFIX_PATH "/opt/Qt")
find_package(Qt5Core REQUIRED)
find_package(Qt5Gui REQUIRED)
find_package(Qt5Widgets REQUIRED)

set(CMAKE_AUTOMOC ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)

set(SOURCE_FILE 01-two-windows.cpp counter.cpp)
add_executable(${PROJECT_NAME} ${SOURCE_FILE})

target_link_libraries(${PROJECT_NAME}
    PUBLIC
        Qt5::Widgets
        Qt5::Core
        Qt5::Gui
)