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# TODO
# - backend selection via command line, rather than simply detecting headers.
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
project(cubeb
VERSION 0.0.0)
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
option(BUILD_TESTS "Build tests" ON)
option(BUILD_RUST_LIBS "Build rust backends" OFF)
option(BUILD_TOOLS "Build tools" ON)
option(BUNDLE_SPEEX "Bundle the speex library" OFF)
option(LAZY_LOAD_LIBS "Lazily load shared libraries" ON)
option(USE_SANITIZERS "Use sanitizers" ON)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
"Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
endif()
set(CMAKE_C_STANDARD 99)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
if(USE_SANITIZERS)
if(NOT COMMAND add_sanitizers)
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/sanitizers-cmake/cmake")
find_package(Sanitizers)
if(NOT COMMAND add_sanitizers)
message(FATAL_ERROR "Could not find sanitizers-cmake: run\n\tgit submodule update --init --recursive\nin base git checkout")
endif()
endif()
else()
macro(add_sanitizers UNUSED)
endmacro()
endif()
if(BUILD_TESTS)
find_package(GTest QUIET)
if(TARGET GTest::Main)
add_library(gtest_main ALIAS GTest::Main)
endif()
if(NOT TARGET gtest_main)
if(NOT EXISTS "${PROJECT_SOURCE_DIR}/googletest/CMakeLists.txt")
message(FATAL_ERROR "Could not find googletest: run\n\tgit submodule update --init --recursive\nin base git checkout")
endif()
add_definitions(-DGTEST_HAS_TR1_TUPLE=0 -DGTEST_HAS_RTTI=0)
set(gtest_force_shared_crt ON CACHE BOOL "")
add_subdirectory(googletest)
endif()
endif()
if (BUILD_RUST_LIBS)
if(EXISTS "${PROJECT_SOURCE_DIR}/src/cubeb-pulse-rs")
set(USE_PULSE_RUST 1)
endif()
if(EXISTS "${PROJECT_SOURCE_DIR}/src/cubeb-coreaudio-rs")
set(USE_AUDIOUNIT_RUST 1)
endif()
endif()
# On OS/2, visibility attribute is not supported.
if(NOT OS2)
set(CMAKE_C_VISIBILITY_PRESET hidden)
set(CMAKE_CXX_VISIBILITY_PRESET hidden)
set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
endif()
set(CMAKE_CXX_WARNING_LEVEL 4)
if(NOT MSVC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-parameter")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-unused-parameter -fno-exceptions -fno-rtti")
else()
string(REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") # Disable RTTI
string(REPLACE "/EHsc" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") # Disable Exceptions
endif()
add_library(cubeb
src/cubeb.c
src/cubeb_mixer.cpp
src/cubeb_resampler.cpp
src/cubeb_log.cpp
src/cubeb_strings.c
src/cubeb_utils.cpp
)
target_include_directories(cubeb
PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> $<INSTALL_INTERFACE:include>
)
set_target_properties(cubeb PROPERTIES
VERSION ${cubeb_VERSION}
SOVERSION ${cubeb_VERSION_MAJOR}
)
add_sanitizers(cubeb)
include(GenerateExportHeader)
generate_export_header(cubeb EXPORT_FILE_NAME ${CMAKE_BINARY_DIR}/exports/cubeb_export.h)
target_include_directories(cubeb
PUBLIC $<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/exports>
)
include(GNUInstallDirs)
install(DIRECTORY ${CMAKE_SOURCE_DIR}/include/${PROJECT_NAME} TYPE INCLUDE)
install(DIRECTORY ${CMAKE_BINARY_DIR}/exports/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME})
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
"${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
COMPATIBILITY SameMajorVersion
)
configure_package_config_file(
"Config.cmake.in"
"${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
)
install(
FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake" "${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
)
install(TARGETS cubeb EXPORT "${PROJECT_NAME}Targets")
install(
EXPORT "${PROJECT_NAME}Targets"
NAMESPACE "${PROJECT_NAME}::"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
)
if(NOT BUNDLE_SPEEX)
find_package(PkgConfig)
if(PKG_CONFIG_FOUND)
pkg_check_modules(speexdsp IMPORTED_TARGET speexdsp)
if(speexdsp_FOUND)
add_library(speex ALIAS PkgConfig::speexdsp)
endif()
endif()
endif()
if(NOT TARGET speex)
add_library(speex OBJECT subprojects/speex/resample.c)
set_target_properties(speex PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
target_include_directories(speex INTERFACE subprojects)
target_compile_definitions(speex PUBLIC
OUTSIDE_SPEEX
FLOATING_POINT
EXPORT=
RANDOM_PREFIX=speex
)
endif()
target_link_libraries(cubeb PRIVATE $<BUILD_INTERFACE:speex>)
include(CheckIncludeFiles)
# Threads needed by cubeb_log, _pulse, _alsa, _jack, _sndio, _oss and _sun
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads)
target_link_libraries(cubeb PRIVATE Threads::Threads)
if(LAZY_LOAD_LIBS)
check_include_files(pulse/pulseaudio.h USE_PULSE)
check_include_files(alsa/asoundlib.h USE_ALSA)
check_include_files(jack/jack.h USE_JACK)
check_include_files(sndio.h USE_SNDIO)
check_include_files(aaudio/AAudio.h USE_AAUDIO)
if(USE_PULSE OR USE_ALSA OR USE_JACK OR USE_SNDIO OR USE_AAUDIO)
target_link_libraries(cubeb PRIVATE ${CMAKE_DL_LIBS})
if(ANDROID)
target_compile_definitions(cubeb PRIVATE __ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__)
endif()
endif()
else()
find_package(PkgConfig REQUIRED)
pkg_check_modules(libpulse IMPORTED_TARGET libpulse)
if(libpulse_FOUND)
set(USE_PULSE ON)
target_compile_definitions(cubeb PRIVATE DISABLE_LIBPULSE_DLOPEN)
target_link_libraries(cubeb PRIVATE PkgConfig::libpulse)
endif()
pkg_check_modules(alsa IMPORTED_TARGET alsa)
if(alsa_FOUND)
set(USE_ALSA ON)
target_compile_definitions(cubeb PRIVATE DISABLE_LIBASOUND_DLOPEN)
target_link_libraries(cubeb PRIVATE PkgConfig::alsa)
endif()
pkg_check_modules(jack IMPORTED_TARGET jack)
if(jack_FOUND)
set(USE_JACK ON)
target_compile_definitions(cubeb PRIVATE DISABLE_LIBJACK_DLOPEN)
target_link_libraries(cubeb PRIVATE PkgConfig::jack)
endif()
check_include_files(sndio.h USE_SNDIO)
if(USE_SNDIO)
target_compile_definitions(cubeb PRIVATE DISABLE_LIBSNDIO_DLOPEN)
target_link_libraries(cubeb PRIVATE sndio)
endif()
check_include_files(aaudio/AAudio.h USE_AAUDIO)
if(USE_AAUDIO)
target_compile_definitions(cubeb PRIVATE DISABLE_LIBAAUDIO_DLOPEN)
target_link_libraries(cubeb PRIVATE aaudio)
endif()
endif()
if(USE_PULSE)
target_sources(cubeb PRIVATE src/cubeb_pulse.c)
target_compile_definitions(cubeb PRIVATE USE_PULSE)
endif()
if(USE_ALSA)
target_sources(cubeb PRIVATE src/cubeb_alsa.c)
target_compile_definitions(cubeb PRIVATE USE_ALSA)
endif()
if(USE_JACK)
target_sources(cubeb PRIVATE src/cubeb_jack.cpp)
target_compile_definitions(cubeb PRIVATE USE_JACK)
endif()
if(USE_SNDIO)
target_sources(cubeb PRIVATE src/cubeb_sndio.c)
target_compile_definitions(cubeb PRIVATE USE_SNDIO)
endif()
if(USE_AAUDIO)
target_sources(cubeb PRIVATE src/cubeb_aaudio.cpp)
target_compile_definitions(cubeb PRIVATE USE_AAUDIO)
# set this definition to enable low latency mode. Possibly bad for battery
target_compile_definitions(cubeb PRIVATE CUBEB_AAUDIO_LOW_LATENCY)
# set this definition to enable power saving mode. Possibly resulting
# in high latency
# target_compile_definitions(cubeb PRIVATE CUBEB_AAUDIO_LOW_POWER_SAVING)
# set this mode to make the backend use an exclusive stream.
# will decrease latency.
# target_compile_definitions(cubeb PRIVATE CUBEB_AAUDIO_EXCLUSIVE_STREAM)
endif()
check_include_files(AudioUnit/AudioUnit.h USE_AUDIOUNIT)
if(USE_AUDIOUNIT)
target_sources(cubeb PRIVATE
src/cubeb_audiounit.cpp
src/cubeb_osx_run_loop.cpp)
target_compile_definitions(cubeb PRIVATE USE_AUDIOUNIT)
target_link_libraries(cubeb PRIVATE "-framework AudioUnit" "-framework CoreAudio" "-framework CoreServices")
endif()
check_include_files(audioclient.h USE_WASAPI)
if(USE_WASAPI)
target_sources(cubeb PRIVATE
src/cubeb_wasapi.cpp)
target_compile_definitions(cubeb PRIVATE USE_WASAPI)
target_link_libraries(cubeb PRIVATE avrt ole32 ksuser)
endif()
check_include_files("windows.h;mmsystem.h" USE_WINMM)
if(USE_WINMM)
target_sources(cubeb PRIVATE
src/cubeb_winmm.c)
target_compile_definitions(cubeb PRIVATE USE_WINMM)
target_link_libraries(cubeb PRIVATE winmm)
endif()
check_include_files(SLES/OpenSLES.h USE_OPENSL)
if(USE_OPENSL)
target_sources(cubeb PRIVATE
src/cubeb_opensl.cpp
src/cubeb-jni.cpp)
target_compile_definitions(cubeb PRIVATE USE_OPENSL)
target_link_libraries(cubeb PRIVATE OpenSLES)
endif()
check_include_files(sys/soundcard.h HAVE_SYS_SOUNDCARD_H)
if(HAVE_SYS_SOUNDCARD_H)
try_compile(USE_OSS "${PROJECT_BINARY_DIR}/compile_tests"
${PROJECT_SOURCE_DIR}/cmake/compile_tests/oss_is_v4.c)
if(USE_OSS)
# strlcpy is not available on BSD systems that use glibc,
# like Debian kfreebsd, so try using libbsd if available
include(CheckSymbolExists)
check_symbol_exists(strlcpy string.h HAVE_STRLCPY)
if(NOT HAVE_STRLCPY)
pkg_check_modules(libbsd-overlay IMPORTED_TARGET libbsd-overlay)
if(libbsd-overlay_FOUND)
target_link_libraries(cubeb PRIVATE PkgConfig::libbsd-overlay)
set(HAVE_STRLCPY true)
endif()
endif()
if (HAVE_STRLCPY)
target_sources(cubeb PRIVATE
src/cubeb_oss.c)
target_compile_definitions(cubeb PRIVATE USE_OSS)
endif()
endif()
endif()
check_include_files(android/log.h USE_AUDIOTRACK)
if(USE_AUDIOTRACK)
target_sources(cubeb PRIVATE
src/cubeb_audiotrack.c)
target_compile_definitions(cubeb PRIVATE USE_AUDIOTRACK)
target_link_libraries(cubeb PRIVATE log)
endif()
check_include_files(sys/audioio.h USE_SUN)
if(USE_SUN)
target_sources(cubeb PRIVATE
src/cubeb_sun.c)
target_compile_definitions(cubeb PRIVATE USE_SUN)
endif()
check_include_files(kai.h USE_KAI)
if(USE_KAI)
target_sources(cubeb PRIVATE
src/cubeb_kai.c)
target_compile_definitions(cubeb PRIVATE USE_KAI)
target_link_libraries(cubeb PRIVATE kai)
endif()
if(USE_PULSE AND USE_PULSE_RUST)
include(ExternalProject)
set_directory_properties(PROPERTIES EP_PREFIX ${CMAKE_BINARY_DIR}/rust)
ExternalProject_Add(
cubeb_pulse_rs
DOWNLOAD_COMMAND ""
CONFIGURE_COMMAND ""
BUILD_COMMAND cargo build COMMAND cargo build --release
BUILD_ALWAYS ON
BINARY_DIR "${PROJECT_SOURCE_DIR}/src/cubeb-pulse-rs"
INSTALL_COMMAND ""
LOG_BUILD ON)
add_dependencies(cubeb cubeb_pulse_rs)
target_compile_definitions(cubeb PRIVATE USE_PULSE_RUST)
target_link_libraries(cubeb PRIVATE
debug "${PROJECT_SOURCE_DIR}/src/cubeb-pulse-rs/target/debug/libcubeb_pulse.a"
optimized "${PROJECT_SOURCE_DIR}/src/cubeb-pulse-rs/target/release/libcubeb_pulse.a" pulse)
endif()
if(USE_AUDIOUNIT AND USE_AUDIOUNIT_RUST)
include(ExternalProject)
set_directory_properties(PROPERTIES EP_PREFIX ${CMAKE_BINARY_DIR}/rust)
ExternalProject_Add(
cubeb_coreaudio_rs
DOWNLOAD_COMMAND ""
CONFIGURE_COMMAND ""
BUILD_COMMAND cargo build COMMAND cargo build --release
BUILD_ALWAYS ON
BINARY_DIR "${PROJECT_SOURCE_DIR}/src/cubeb-coreaudio-rs"
INSTALL_COMMAND ""
LOG_BUILD ON)
add_dependencies(cubeb cubeb_coreaudio_rs)
target_compile_definitions(cubeb PRIVATE USE_AUDIOUNIT_RUST)
target_link_libraries(cubeb PRIVATE
debug "${PROJECT_SOURCE_DIR}/src/cubeb-coreaudio-rs/target/debug/libcubeb_coreaudio.a"
optimized "${PROJECT_SOURCE_DIR}/src/cubeb-coreaudio-rs/target/release/libcubeb_coreaudio.a")
endif()
find_package(Doxygen)
if(DOXYGEN_FOUND)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/docs/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/docs/Doxyfile @ONLY)
add_custom_target(doc ALL
${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/docs/Doxyfile
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/docs
COMMENT "Generating API documentation with Doxygen" VERBATIM)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/docs/html/ TYPE DOC)
endif()
if(BUILD_TESTS)
enable_testing()
macro(cubeb_add_test NAME)
add_executable(test_${NAME} test/test_${NAME}.cpp)
target_include_directories(test_${NAME} PRIVATE ${gtest_SOURCE_DIR}/include src)
target_link_libraries(test_${NAME} PRIVATE cubeb gtest_main)
add_test(${NAME} test_${NAME} --gtest_death_test_style=threadsafe)
add_sanitizers(test_${NAME})
endmacro(cubeb_add_test)
cubeb_add_test(sanity)
cubeb_add_test(tone)
cubeb_add_test(audio)
cubeb_add_test(record)
cubeb_add_test(devices)
cubeb_add_test(callback_ret)
add_executable(test_resampler test/test_resampler.cpp src/cubeb_resampler.cpp src/cubeb_log.cpp)
target_include_directories(test_resampler PRIVATE ${gtest_SOURCE_DIR}/include src)
target_link_libraries(test_resampler PRIVATE cubeb gtest_main speex)
add_test(resampler test_resampler)
add_sanitizers(test_resampler)
cubeb_add_test(duplex)
cubeb_add_test(logging)
cubeb_add_test(triple_buffer)
if (USE_WASAPI)
cubeb_add_test(overload_callback)
cubeb_add_test(loopback)
endif()
cubeb_add_test(latency test_latency)
cubeb_add_test(ring_array)
cubeb_add_test(utils)
cubeb_add_test(ring_buffer)
cubeb_add_test(device_changed_callback)
endif()
if(BUILD_TOOLS)
add_executable(cubeb-test tools/cubeb-test.cpp)
target_include_directories(cubeb-test PRIVATE src)
target_link_libraries(cubeb-test PRIVATE cubeb)
add_sanitizers(cubeb-test)
install(TARGETS cubeb-test)
endif()
if(NOT CLANG_FORMAT_BINARY)
set(CLANG_FORMAT_BINARY clang-format)
endif()
add_custom_target(clang-format-check
find
${CMAKE_CURRENT_SOURCE_DIR}/src
${CMAKE_CURRENT_SOURCE_DIR}/include
${CMAKE_CURRENT_SOURCE_DIR}/test
-type f (-name "*.cpp" -o -name "*.c" -o -name "*.h")
-not -path "*/subprojects/speex/*"
-print0
| xargs -0 ${CLANG_FORMAT_BINARY} -Werror -n
COMMENT "Check formatting with clang-format"
VERBATIM)