Arcade/CMakeLists.txt at main · SobshDev/Arcade · GitHub

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cmake_minimum_required(VERSION 3.15)

project(arcade CXX)

# ------------------------------------------------------------------------------
# Global C++ configuration
# ------------------------------------------------------------------------------
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# Ensure the output directory for shared libraries exists at configure time.
file(MAKE_DIRECTORY "${CMAKE_SOURCE_DIR}/lib")

# ------------------------------------------------------------------------------
# Warning flags applied to every target built by this project
# ------------------------------------------------------------------------------
set(PROJECT_WARNING_FLAGS
    -Wall
    -Wextra
    -Wpedantic
    -Wshadow
    -Wconversion
    -Wnon-virtual-dtor
    # Disables GNU unique symbols so dlopen/dlclose can actually unload libs.
    $<$<CXX_COMPILER_ID:GNU>:-fno-gnu-unique>
)

# ------------------------------------------------------------------------------
# Core executable (the arcade launcher)
# ------------------------------------------------------------------------------
file(GLOB_RECURSE CORE_SOURCES CONFIGURE_DEPENDS
    "${CMAKE_CURRENT_SOURCE_DIR}/src/core/*.cpp"
)

add_executable(${PROJECT_NAME} ${CORE_SOURCES})

target_include_directories(${PROJECT_NAME} PRIVATE src)
target_compile_options(${PROJECT_NAME} PRIVATE ${PROJECT_WARNING_FLAGS})

# The binary lives at the repo root so it can be launched as ./arcade.
set_target_properties(${PROJECT_NAME} PROPERTIES
    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}"
)

# ------------------------------------------------------------------------------
# Helper: declare a shared library that follows the arcade plugin conventions
# (no "lib" prefix, output in ./lib, shared warning flags, private src/ include)
# ------------------------------------------------------------------------------
function(add_arcade_library LIB_NAME)
    add_library(${LIB_NAME} SHARED ${ARGN})
    target_include_directories(${LIB_NAME} PRIVATE src)
    target_compile_options(${LIB_NAME} PRIVATE ${PROJECT_WARNING_FLAGS})
    set_target_properties(${LIB_NAME} PROPERTIES
        PREFIX ""
        LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/lib"
    )
endfunction()

# ------------------------------------------------------------------------------
# Graphical backend: ncurses
# ------------------------------------------------------------------------------
find_package(Curses REQUIRED)
add_arcade_library(arcade_ncurses src/renderers/ncurses/Ncurses.cpp)
target_include_directories(arcade_ncurses PRIVATE ${CURSES_INCLUDE_DIRS})
target_link_libraries(arcade_ncurses PRIVATE ${CURSES_LIBRARIES})

# ------------------------------------------------------------------------------
# Graphical backends: SDL2 and SFML (resolved through pkg-config)
# ------------------------------------------------------------------------------
find_package(PkgConfig REQUIRED)
pkg_check_modules(SDL2 REQUIRED IMPORTED_TARGET sdl2)
pkg_check_modules(SDL2_TTF REQUIRED IMPORTED_TARGET SDL2_ttf)
pkg_check_modules(SDL2_IMAGE REQUIRED IMPORTED_TARGET SDL2_image)

# On Apple Silicon Homebrew keeps SFML 2 under an explicit keg; add it to
# pkg-config's search path so sfml-graphics can be resolved.
if(APPLE AND EXISTS "/opt/homebrew/opt/sfml@2/lib/pkgconfig")
    set(ENV{PKG_CONFIG_PATH} "/opt/homebrew/opt/sfml@2/lib/pkgconfig:$ENV{PKG_CONFIG_PATH}")
endif()
pkg_check_modules(SFML REQUIRED IMPORTED_TARGET sfml-graphics)

add_arcade_library(arcade_sdl2 src/renderers/sdl2/Sdl2.cpp)
target_link_libraries(arcade_sdl2 PRIVATE PkgConfig::SDL2 PkgConfig::SDL2_TTF PkgConfig::SDL2_IMAGE)

add_arcade_library(arcade_sfml src/renderers/sfml/Sfml.cpp)
target_link_libraries(arcade_sfml PRIVATE PkgConfig::SFML)

# ------------------------------------------------------------------------------
# Game libraries and menu (loaded dynamically by the core at runtime)
# ------------------------------------------------------------------------------
add_arcade_library(arcade_snake
    src/games/snake/Snake.cpp
    src/core/classes/scene_builder/SceneBuilder.cpp
)

add_arcade_library(arcade_minesweeper
    src/games/minesweeper/Minesweeper.cpp
    src/core/classes/scene_builder/SceneBuilder.cpp
)

add_arcade_library(arcade_menu
    src/menu/MenuInput.cpp
    src/menu/MenuRender.cpp
    src/core/classes/scene_builder/SceneBuilder.cpp
)