cmake_minimum_required(VERSION 3.16)
project(emulator LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type" FORCE)
endif()

option(EMULATOR_BUILD_TESTS "Build unit tests" OFF)

find_package(SDL2 REQUIRED)
find_package(SDL2_image REQUIRED)

add_executable(emulator
    src/main.cpp
    src/emulator.cpp
)

target_include_directories(emulator PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/src
)

target_link_libraries(emulator PRIVATE
    SDL2::SDL2
    SDL2_image::SDL2_image
)

if(MSVC)
    target_compile_options(emulator PRIVATE /W4 /permissive-)
else()
    target_compile_options(emulator PRIVATE -Wall -Wextra -Wpedantic)
endif()

if(EMULATOR_BUILD_TESTS)
    enable_testing()
    add_subdirectory(tests)
endif()