shippy/CMakeLists.txt at master · uzbit/shippy · GitHub

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cmake_minimum_required(VERSION 3.14)
project(shippy)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# Fetch Box2D
include(FetchContent)
FetchContent_Declare(
    box2d
    GIT_REPOSITORY https://github.com/erincatto/box2d.git
    GIT_TAG v3.1.1
)
FetchContent_MakeAvailable(box2d)

# Fetch libpd (desktop only for now — Android integration is a follow-up plan)
if(NOT ANDROID)
    set(PD_UTILS OFF CACHE BOOL "" FORCE)
    set(PD_EXTRA ON CACHE BOOL "" FORCE)
    set(PD_MULTI OFF CACHE BOOL "" FORCE)
    # libpd's root CMakeLists still targets an older CMake; allow it to configure.
    set(CMAKE_POLICY_VERSION_MINIMUM 3.5 CACHE STRING "" FORCE)
    FetchContent_Declare(
        libpd
        GIT_REPOSITORY https://github.com/libpd/libpd.git
        GIT_TAG 0.14.1
        GIT_SUBMODULES_RECURSE TRUE
    )
    FetchContent_MakeAvailable(libpd)

    # Pure Data's C code predates modern Clang's strict default of treating
    # implicit-function-declaration as an error (for alloca in x_file.c, etc.).
    foreach(_pd_tgt libpd libpd_static)
        if(TARGET ${_pd_tgt})
            target_compile_options(${_pd_tgt} PRIVATE
                -Wno-error=implicit-function-declaration
                -Wno-implicit-function-declaration)
        endif()
    endforeach()
endif()

if(ANDROID)
    # On Android, fetch SDL3 libraries from source
    FetchContent_Declare(
        SDL3
        GIT_REPOSITORY https://github.com/libsdl-org/SDL.git
        GIT_TAG release-3.4.4
        GIT_SHALLOW TRUE
    )
    FetchContent_Declare(
        SDL3_ttf
        GIT_REPOSITORY https://github.com/libsdl-org/SDL_ttf.git
        GIT_TAG release-3.2.2
        GIT_SHALLOW TRUE
    )
    FetchContent_Declare(
        SDL3_mixer
        GIT_REPOSITORY https://github.com/libsdl-org/SDL_mixer.git
        GIT_TAG release-3.2.0
        GIT_SHALLOW TRUE
    )
    set(SDL_SHARED ON CACHE BOOL "" FORCE)
    set(SDL_STATIC OFF CACHE BOOL "" FORCE)

    # Only need OGG/Vorbis for our audio - disable everything else
    set(SDLMIXER_MP3 OFF CACHE BOOL "" FORCE)
    set(SDLMIXER_MOD OFF CACHE BOOL "" FORCE)
    set(SDLMIXER_MIDI OFF CACHE BOOL "" FORCE)
    set(SDLMIXER_FLAC OFF CACHE BOOL "" FORCE)
    set(SDLMIXER_OPUS OFF CACHE BOOL "" FORCE)
    set(SDLMIXER_WAVPACK OFF CACHE BOOL "" FORCE)
    set(SDLMIXER_GME OFF CACHE BOOL "" FORCE)
    set(SDLMIXER_VORBIS_STB ON CACHE BOOL "" FORCE)

    FetchContent_MakeAvailable(SDL3 SDL3_ttf SDL3_mixer)
else()
    # On desktop, use system-installed SDL3
    find_package(SDL3 REQUIRED)
    find_package(SDL3_ttf REQUIRED)
    find_package(SDL3_mixer REQUIRED)
endif()

set(SOURCES
    main.cpp
    object.cpp
    body.cpp
    loot.cpp
    game.cpp
    ship.cpp
    space.cpp
    biases.cpp
    duder.cpp
    starfield.cpp
    sdl_compat.cpp
    physics_world.cpp
    projectile.cpp
    asteroid.cpp
    cuzer.cpp
    ai.cpp
    platform.cpp
    touch_input.cpp
    pdaudio.cpp
)

if(ANDROID)
    add_library(shippy SHARED ${SOURCES})
    target_link_libraries(shippy
        SDL3::SDL3
        SDL3_ttf::SDL3_ttf
        SDL3_mixer::SDL3_mixer
        box2d
        log
    )
else()
    add_executable(shippy ${SOURCES})
    target_link_libraries(shippy
        SDL3::SDL3
        SDL3_ttf::SDL3_ttf
        SDL3_mixer::SDL3_mixer
        box2d
        libpd_static
    )
    target_include_directories(shippy PRIVATE
        ${libpd_SOURCE_DIR}/libpd_wrapper
        ${libpd_SOURCE_DIR}/pure-data/src
    )
endif()