LabSoundC/CMakeLists.txt at dev · LabSound/LabSoundC · GitHub

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cmake_minimum_required(VERSION 3.15)
project(LabSoundC LANGUAGES C CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_C_STANDARD 11)

# ── Locate LabSound ──────────────────────────────────────────────────────
# Option 1: LabSound is a sibling directory (default for this repo layout)
# Option 2: Set LABSOUND_ROOT externally
if(NOT TARGET LabSound)
    if(NOT LABSOUND_ROOT)
        set(LABSOUND_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/../LabSound")
    endif()
    if(EXISTS "${LABSOUND_ROOT}/CMakeLists.txt")
        add_subdirectory("${LABSOUND_ROOT}" "${CMAKE_BINARY_DIR}/LabSound")
    else()
        message(FATAL_ERROR
            "LabSound not found. Set LABSOUND_ROOT or place LabSound alongside LabSoundC.")
    endif()
endif()

# ── Backend selection (mirrors LabSound's cmake options) ─────────────────
if(LABSOUND_USE_RTAUDIO)
    set(LABSOUNDC_BACKEND_TARGET LabSoundRtAudio)
    set(LABSOUNDC_BACKEND_DEFINE LABSOUND_USE_RTAUDIO)
elseif(LABSOUND_USE_MINIAUDIO)
    set(LABSOUNDC_BACKEND_TARGET LabSoundMiniAudio)
    set(LABSOUNDC_BACKEND_DEFINE LABSOUND_USE_MINIAUDIO)
else()
    # Fallback: pick based on platform
    if(APPLE AND NOT IOS)
        set(LABSOUNDC_BACKEND_TARGET LabSoundRtAudio)
        set(LABSOUNDC_BACKEND_DEFINE LABSOUND_USE_RTAUDIO)
    else()
        set(LABSOUNDC_BACKEND_TARGET LabSoundMiniAudio)
        set(LABSOUNDC_BACKEND_DEFINE LABSOUND_USE_MINIAUDIO)
    endif()
endif()

message(STATUS "LabSoundC backend: ${LABSOUNDC_BACKEND_TARGET}")

# ── LabSoundC static library ─────────────────────────────────────────────
add_library(LabSoundC STATIC
    src/LabSoundC.cpp
    include/LabSoundC/LabSoundC.h
)

target_include_directories(LabSoundC
    PUBLIC
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
        $<INSTALL_INTERFACE:include>
)

target_compile_definitions(LabSoundC PRIVATE ${LABSOUNDC_BACKEND_DEFINE})

target_link_libraries(LabSoundC
    PUBLIC  LabSound
    PRIVATE ${LABSOUNDC_BACKEND_TARGET}
)

if(APPLE)
    target_link_libraries(LabSoundC PRIVATE
        "-framework AudioToolbox"
        "-framework AudioUnit"
        "-framework Accelerate"
        "-framework CoreAudio"
        "-framework Cocoa"
    )
endif()

set_target_properties(LabSoundC PROPERTIES
    CXX_STANDARD 17
    C_STANDARD 11
    OUTPUT_NAME_DEBUG LabSoundC_d
)

add_library(LabSoundC::LabSoundC ALIAS LabSoundC)

# ── LabSoundC shared library (for Python/ctypes, etc.) ───────────────────
option(LABSOUNDC_BUILD_SHARED "Build shared library for FFI bindings" ON)

if(LABSOUNDC_BUILD_SHARED)
    add_library(LabSoundC_shared SHARED
        src/LabSoundC.cpp
        include/LabSoundC/LabSoundC.h
    )
    target_include_directories(LabSoundC_shared
        PUBLIC
            $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
            $<INSTALL_INTERFACE:include>
    )
    target_compile_definitions(LabSoundC_shared
        PRIVATE ${LABSOUNDC_BACKEND_DEFINE} LABSOUNDC_SHARED_EXPORT
    )
    target_link_libraries(LabSoundC_shared
        PRIVATE LabSound ${LABSOUNDC_BACKEND_TARGET} libnyquist::libnyquist
    )
    if(APPLE)
        target_link_libraries(LabSoundC_shared PRIVATE
            "-framework AudioToolbox" "-framework AudioUnit"
            "-framework Accelerate" "-framework CoreAudio" "-framework Cocoa")
    elseif(UNIX)
        target_link_libraries(LabSoundC_shared PRIVATE pthread dl)
    endif()
    set_target_properties(LabSoundC_shared PROPERTIES
        CXX_STANDARD 17
        OUTPUT_NAME LabSoundC
        CXX_VISIBILITY_PRESET hidden
        C_VISIBILITY_PRESET hidden
    )
endif()

# ── Examples ──────────────────────────────────────────────────────────────
option(LABSOUNDC_BUILD_EXAMPLES "Build LabSoundC examples" ON)

if(LABSOUNDC_BUILD_EXAMPLES)

    # Smoke test (C)
    add_executable(labsoundc_smoke examples/smoke_test.c)
    target_link_libraries(labsoundc_smoke PRIVATE LabSoundC ${LABSOUNDC_BACKEND_TARGET})
    if(APPLE)
        target_link_libraries(labsoundc_smoke PRIVATE
            "-framework AudioToolbox" "-framework AudioUnit"
            "-framework Accelerate" "-framework CoreAudio" "-framework Cocoa")
    endif()
    set_target_properties(labsoundc_smoke PROPERTIES C_STANDARD 11)

    # Demo app (C)
    add_executable(labsoundc_demo examples/demo.c)
    target_link_libraries(labsoundc_demo PRIVATE LabSoundC ${LABSOUNDC_BACKEND_TARGET})
    if(APPLE)
        target_link_libraries(labsoundc_demo PRIVATE
            "-framework AudioToolbox" "-framework AudioUnit"
            "-framework Accelerate" "-framework CoreAudio" "-framework Cocoa")
    endif()
    set_target_properties(labsoundc_demo PROPERTIES C_STANDARD 11)

endif()