cmake_minimum_required(VERSION 3.16)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
# See docs/release_checklist.md
set(MAJOR_VERSION 2)
set(MINOR_VERSION 6)
set(MICRO_VERSION 0)
set(SDL_REQUIRED_VERSION 2.0.9)
# For historical reasons this is 3.0.0 rather than the expected 1.0.0
set(DYLIB_COMPATIBILITY_VERSION "3.0.0")
include(PrivateSdlFunctions)
sdl_calculate_derived_version_variables()
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
message(FATAL_ERROR "Prevented in-tree built. Please create a build directory outside of the SDL_mixer source code and call cmake from there")
endif()
project(SDL2_mixer
LANGUAGES C
VERSION "${FULL_VERSION}"
)
message(STATUS "Configuring ${PROJECT_NAME} ${PROJECT_VERSION}")
if(POLICY CMP0112)
# Target file component generator expressions do not add target dependencies.
cmake_policy(SET CMP0112 NEW)
endif()
# Set defaults preventing destination file conflicts
set(SDL2MIXER_DEBUG_POSTFIX "d"
CACHE STRING "Name suffix for debug builds")
mark_as_advanced(SDL2MIXER_DEBUG_POSTFIX)
# Assume MSVC projects don't have a package manager and need vendored dependencies (by default).
# Most other platforms have some kind of package manager.
# FIXME: consider a package manager such as conan/vcpkg instead of vendoring
if(MSVC)
set(vendored_default ON)
else()
set(vendored_default OFF)
endif()
include(CheckSymbolExists)
include(CMakeDependentOption)
include(CMakePackageConfigHelpers)
include(GNUInstallDirs)
option(CMAKE_POSITION_INDEPENDENT_CODE "Build static libraries with -fPIC" ON)
option(BUILD_SHARED_LIBS "Build the library as a shared library" ON)
# Save BUILD_SHARED_LIBS variable as soon as possible
set(SDL2MIXER_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
option(SDL2MIXER_INSTALL "Enable SDL2mixer install target" ON)
option(SDL2MIXER_DEPS_SHARED "Default value for loading dependencies dynamically" ON)
option(SDL2MIXER_VENDORED "Use vendored third-party libraries" ${vendored_default})
option(SDL2MIXER_SAMPLES "Build the SDL2_mixer sample program(s)" ON)
cmake_dependent_option(SDL2MIXER_SAMPLES_INSTALL "Install the SDL2_mixer sample program(s)" OFF "SDL2MIXER_SAMPLES;SDL2MIXER_INSTALL" OFF)
if(UNIX AND NOT APPLE)
set(sdl2mixer_cmd_default ON)
else()
set(sdl2mixer_cmd_default OFF)
endif()
option(SDL2MIXER_CMD "Support an external music player" ${sdl2mixer_cmd_default})
option(SDL2MIXER_FLAC "Enable FLAC music" ON)
cmake_dependent_option(SDL2MIXER_FLAC_LIBFLAC "Enable FLAC music using libFLAC" ON SDL2MIXER_FLAC OFF)
cmake_dependent_option(SDL2MIXER_FLAC_LIBFLAC_SHARED "Dynamically load LIBFLAC" "${SDL2MIXER_DEPS_SHARED}" SDL2MIXER_FLAC_LIBFLAC OFF)
cmake_dependent_option(SDL2MIXER_FLAC_DRFLAC "Enable FLAC music using drflac" ON SDL2MIXER_FLAC OFF)
option(SDL2MIXER_MOD "Support loading MOD music" ON)
cmake_dependent_option(SDL2MIXER_MOD_MODPLUG "Support loading MOD music via modplug" ON SDL2MIXER_MOD OFF)
cmake_dependent_option(SDL2MIXER_MOD_MODPLUG_SHARED "Dynamically load modplug" "${SDL2MIXER_DEPS_SHARED}" SDL2MIXER_MOD_MODPLUG OFF)
cmake_dependent_option(SDL2MIXER_MOD_XMP "Support loading MOD music via libxmp" OFF SDL2MIXER_MOD OFF)
cmake_dependent_option(SDL2MIXER_MOD_XMP_LITE "Use libxmp-lite instead of libxmp" OFF SDL2MIXER_MOD_XMP OFF)
cmake_dependent_option(SDL2MIXER_MOD_XMP_SHARED "Dynamically load libxmp(-lite)" "${SDL2MIXER_DEPS_SHARED}" SDL2MIXER_MOD_XMP OFF)
if(SDL2MIXER_MOD AND NOT (SDL2MIXER_MOD_MODPLUG OR SDL2MIXER_MOD_XMP))
message(FATAL_EROR "MOD support was enabled (SDL2MIXER_MOD) but neither mpdplug (SDL2MIXER_MOD_MODPLUG) or xmp (SDL2MIXER_MOD_XMP) was enabled.")
endif()
option(SDL2MIXER_MP3 "Enable MP3 music" ON)
cmake_dependent_option(SDL2MIXER_MP3_DRMP3 "Support loading MP3 music via dr_mp3" ON SDL2MIXER_MP3 OFF)
cmake_dependent_option(SDL2MIXER_MP3_MPG123 "Support loading MP3 music via MPG123" OFF SDL2MIXER_MP3 OFF)
cmake_dependent_option(SDL2MIXER_MP3_MPG123_SHARED "Dynamically load mpg123" "${SDL2MIXER_DEPS_SHARED}" SDL2MIXER_MP3_MPG123 OFF)
if(SDL2MIXER_MP3 AND NOT (SDL2MIXER_MP3_DRMP3 OR SDL2MIXER_MP3_MPG123))
message(FATAL_ERROR "MP3 support was enabled (SDL2MIXER_MP3) but neither drmp3 (SDL2MIXER_MP3_DRMP3) or mpg123 (SDL2MIXER_MP3_MPG123) were enabled.")
endif()
option(SDL2MIXER_MIDI "Enable MIDI music" ON)
cmake_dependent_option(SDL2MIXER_MIDI_FLUIDSYNTH "Support FluidSynth MIDI output" ON "SDL2MIXER_MIDI;NOT SDL2MIXER_VENDORED" OFF)
cmake_dependent_option(SDL2MIXER_MIDI_FLUIDSYNTH_SHARED "Dynamically load libfluidsynth" "${SDL2MIXER_DEPS_SHARED}" SDL2MIXER_MIDI_FLUIDSYNTH OFF)
if(WIN32 OR APPLE OR HAIKU)
cmake_dependent_option(SDL2MIXER_MIDI_NATIVE "Support native MIDI output" ON SDL2MIXER_MIDI OFF)
else()
set(SDL2MIXER_MIDI_NATIVE OFF)
endif()
cmake_dependent_option(SDL2MIXER_MIDI_TIMIDITY "Support timidity MIDI output" ON SDL2MIXER_MIDI OFF)
if(SDL2MIXER_MIDI AND NOT (SDL2MIXER_MIDI_TIMIDITY OR SDL2MIXER_MIDI_NATIVE OR SDL2MIXER_MIDI_FLUIDSYNTH))
message(FATAL_ERROR "MIDI support was enabled (SDL2MIXER_MIDI) but neither FluidSynth (SDL2MIXER_MIDI_FLUIDSYNTH), native (SDL2MIXER_MIDI_NATIVE) or timidity (SDL2MIXER_MIDI_TIMIDITY) was enabled")
endif()
option(SDL2MIXER_OPUS "Enable Opus music" ON)
cmake_dependent_option(SDL2MIXER_OPUS_SHARED "Dynamically load libopus" ON SDL2MIXER_OPUS OFF)
set(sdl2mixer_vorbis_strings STB TREMOR VORBISFILE)
set(SDL2MIXER_VORBIS "STB" CACHE STRING "Enable OGG Vorbis music")
set_property(CACHE SDL2MIXER_VORBIS PROPERTY STRINGS "${sdl2mixer_vorbis_strings}")
if(SDL2MIXER_VORBIS)
if(NOT SDL2MIXER_VORBIS IN_LIST sdl2mixer_vorbis_strings)
message(FATAL_ERROR "SDL2MIXER_VORBIS contains an invalid value (=${SDL2MIXER_VORBIS}). It must be one of ${sdl2mixer_vorbis_strings}.")
endif()
endif()
set(SDL2MIXER_VORBIS_STB OFF)
set(SDL2MIXER_VORBIS_TREMOR OFF)
set(SDL2MIXER_VORBIS_VORBISFILE OFF)
if(SDL2MIXER_VORBIS STREQUAL "STB")
set(SDL2MIXER_VORBIS_STB ON)
endif()
if(SDL2MIXER_VORBIS STREQUAL "TREMOR")
set(SDL2MIXER_VORBIS_TREMOR ON)
endif()
if(SDL2MIXER_VORBIS STREQUAL "VORBISFILE")
set(SDL2MIXER_VORBIS_VORBISFILE ON)
endif()
cmake_dependent_option(SDL2MIXER_VORBIS_TREMOR_SHARED "Dynamically load tremor library" ON SDL2MIXER_VORBIS_TREMOR OFF)
cmake_dependent_option(SDL2MIXER_VORBIS_VORBISFILE_SHARED "Dynamically load vorbisfile library" ON SDL2MIXER_VORBIS_VORBISFILE OFF)
option(SDL2MIXER_WAVE "Enable streaming WAVE music" ON)
if(SDL2MIXER_VORBIS_TREMOR OR SDL2MIXER_VORBIS_VORBISFILE OR SDL2MIXER_FLAC_LIBFLAC OR SDL2MIXER_OPUS)
set(SDL2MIXER_OGG TRUE)
set(SDL2MIXER_OGG_install FALSE)
if(SDL2MIXER_VORBIS_VORBISFILE_SHARED OR SDL2MIXER_FLAC_SHARED OR SDL2MIXER_OPUS_SHARED)
set(SDL2MIXER_OGG_SHARED TRUE)
set(SDL2MIXER_OGG_install TRUE)
else()
set(SDL2MIXER_OGG_SHARED FALSE)
if(NOT SDL2MIXER_BUILD_SHARED_LIBS)
set(SDL2MIXER_OGG_install TRUE)
endif()
endif()
else()
set(SDL2MIXER_OGG FALSE)
endif()
if(SDL2MIXER_BUILD_SHARED_LIBS)
set(sdl2_mixer_export_name SDL2_mixer)
set(sdl2_mixer_install_name_infix shared)
set(sdl2_target_name SDL2::SDL2)
else()
set(sdl2_mixer_export_name SDL2_mixer-static)
set(sdl2_mixer_install_name_infix static)
set(sdl2_target_name SDL2::SDL2-static)
endif()
sdl_find_sdl2(${sdl2_target_name} ${SDL_REQUIRED_VERSION})
set(BUILD_SHARED_LIBS ${SDL2MIXER_BUILD_SHARED_LIBS})
add_library(SDL2_mixer
src/codecs/load_aiff.c
src/codecs/load_voc.c
src/codecs/mp3utils.c
src/codecs/music_cmd.c
src/codecs/music_drflac.c
src/codecs/music_drmp3.c
src/codecs/music_flac.c
src/codecs/music_fluidsynth.c
src/codecs/music_modplug.c
src/codecs/music_mpg123.c
src/codecs/music_nativemidi.c
src/codecs/music_ogg.c
src/codecs/music_ogg_stb.c
src/codecs/music_opus.c
src/codecs/music_timidity.c
src/codecs/music_wav.c
src/codecs/music_xmp.c
src/effect_position.c
src/effect_stereoreverse.c
src/effects_internal.c
src/mixer.c
src/music.c
src/utils.c
)
add_library(SDL2_mixer::${sdl2_mixer_export_name} ALIAS SDL2_mixer)
target_include_directories(SDL2_mixer
PUBLIC
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL2>"
PRIVATE
src
src/codecs
)
target_compile_definitions(SDL2_mixer PRIVATE
BUILD_SDL
SDL_BUILD_MAJOR_VERSION=${MAJOR_VERSION}
SDL_BUILD_MINOR_VERSION=${MINOR_VERSION}
SDL_BUILD_MICRO_VERSION=${MICRO_VERSION}
)
target_link_libraries(SDL2_mixer PRIVATE $<BUILD_INTERFACE:${sdl2_target_name}>)
if(WIN32 AND BUILD_SHARED_LIBS)
target_sources(SDL2_mixer PRIVATE
version.rc
)
endif()
set_target_properties(SDL2_mixer PROPERTIES
DEFINE_SYMBOL DLL_EXPORT
PUBLIC_HEADER "include/SDL_mixer.h"
EXPORT_NAME ${sdl2_mixer_export_name}
C_VISIBILITY_PRESET "hidden"
)
if(NOT ANDROID)
set_target_properties(SDL2_mixer PROPERTIES
DEBUG_POSTFIX "${SDL2MIXER_DEBUG_POSTFIX}"
)
if(APPLE)
# the SOVERSION property corresponds to the compatibility version and VERSION corresponds to the current version
# https://cmake.org/cmake/help/latest/prop_tgt/SOVERSION.html#mach-o-versions
set_target_properties(SDL2_mixer PROPERTIES
SOVERSION "${DYLIB_COMPATIBILITY_VERSION}"
VERSION "${DYLIB_CURRENT_VERSION}"
)
else()
set_target_properties(SDL2_mixer PROPERTIES
SOVERSION "${LT_MAJOR}"
VERSION "${LT_VERSION}"
)
endif()
endif()
if(SDL2MIXER_BUILD_SHARED_LIBS AND (APPLE OR (UNIX AND NOT ANDROID)))
add_custom_command(TARGET SDL2_mixer POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E create_symlink "$<TARGET_SONAME_FILE_NAME:SDL2_mixer>" "libSDL2_mixer$<$<CONFIG:Debug>:${SDL2MIXER_DEBUG_POSTFIX}>$<TARGET_FILE_SUFFIX:SDL2_mixer>"
# BYPRODUCTS "libSDL2_mixer$<$<CONFIG:Debug>:${SDL2MIXER_DEBUG_POSTFIX}>$<TARGET_FILE_SUFFIX:SDL2_mixer>" # Needs CMake 3.20
WORKING_DIRECTORY "${PROJECT_BINARY_DIR}"
)
endif()
if(SDL2MIXER_BUILD_SHARED_LIBS)
if(WIN32 OR OS2)
set_target_properties(SDL2_mixer PROPERTIES
PREFIX ""
)
endif()
if(OS2)
# OS/2 doesn't support a DLL name longer than 8 characters.
set_target_properties(SDL2_mixer PROPERTIES
OUTPUT_NAME "SDL2mix"
)
elseif(UNIX AND NOT ANDROID)
set_target_properties(SDL2_mixer PROPERTIES
OUTPUT_NAME "SDL2_mixer-${LT_RELEASE}"
)
endif()
else()
if(MSVC OR (WATCOM AND (WIN32 OR OS2)))
set_target_properties(SDL2_mixer PROPERTIES
OUTPUT_NAME "SDL2_mixer-static"
)
endif()
endif()
if(SDL2MIXER_BUILD_SHARED_LIBS)
# Use `Compatible Interface Properties` to ensure a shared SDL2_mixer is linked to a shared SDL2 library
set_property(TARGET SDL2_mixer PROPERTY INTERFACE_SDL2_SHARED ${SDL2MIXER_BUILD_SHARED_LIBS})
set_property(TARGET SDL2_mixer APPEND PROPERTY COMPATIBLE_INTERFACE_BOOL SDL2_SHARED)
endif()
if(SDL2MIXER_BUILD_SHARED_LIBS)
# Make sure static library dependencies are built with -fPIC when building a shared SDL2_mixer
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif()
set(INSTALL_EXTRA_TARGETS)
set(PC_LIBS)
set(PC_REQUIRES)
if(SDL2MIXER_CMD)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_CMD)
set(fork_found OFF)
if(NOT fork_found)
check_symbol_exists(fork sys/unistd.h HAVE_FORK)
if(HAVE_FORK)
set(fork_found ON)
target_compile_definitions(SDL2_mixer PRIVATE HAVE_FORK)
endif()
endif()
if(NOT fork_found)
check_symbol_exists(fork sys/unistd.h HAVE_VFORK)
if(HAVE_VFORK)
set(fork_found ON)
target_compile_definitions(SDL2_mixer PRIVATE HAVE_VFORK)
endif()
endif()
if(NOT fork_found)
message(FATAL_ERROR "Neither fork() or vfork() or available on this platform. Reconfigure with -DSDL2MIXER_CMD=OFF.")
endif()
endif()
if(SDL2MIXER_OGG)
# libogg is a requirement of libflac, libtremor and libvorbisfile, so only need this library when vendoring
if(SDL2MIXER_VENDORED)
message(STATUS "Using vendored libogg")
set(BUILD_SHARED_LIBS ${SDL2MIXER_OGG_SHARED})
set(INSTALL_CMAKE_PACKAGE_MODULE FALSE CACHE BOOL "Don't install cmake module for libogg")
sdl_check_project_in_subfolder(external/ogg ogg SDL2MIXER_VENDORED)
add_subdirectory(external/ogg EXCLUDE_FROM_ALL)
if(SDL2MIXER_OGG_install)
list(APPEND INSTALL_EXTRA_TARGETS ogg)
endif()
endif()
endif()
if(SDL2MIXER_OPUS)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_OPUS)
if(SDL2MIXER_VENDORED)
# vendored libogg alread handled
if(NOT TARGET ogg)
message(FATAL_ERROR "ogg target not present")
endif()
message(STATUS "Using vendored opus")
set(BUILD_SHARED_LIBS ${SDL2MIXER_OPUS_SHARED})
sdl_check_project_in_subfolder(external/opus opus SDL2MIXER_VENDORED)
add_subdirectory(external/opus EXCLUDE_FROM_ALL)
set(OP_DISABLE_DOCS TRUE CACHE BOOL "Disable opusfile documentation")
set(OP_DISABLE_HTTP TRUE CACHE BOOL "Disable opusfile HTTP SUPPORT")
message(STATUS "Using vendored opusfile")
set(BUILD_SHARED_LIBS ${SDL2MIXER_OPUS_SHARED})
sdl_check_project_in_subfolder(external/opusfile opusfile SDL2MIXER_VENDORED)
add_subdirectory(external/opusfile EXCLUDE_FROM_ALL)
if(MSVC)
set_property(TARGET opusfile PROPERTY WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
endif()
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/opusfile.h" "#include \"${CMAKE_CURRENT_SOURCE_DIR}/external/opusfile/include/opusfile.h\"\n")
execute_process(
COMMAND "${CMAKE_COMMAND}" -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/opus"
COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${CMAKE_CURRENT_BINARY_DIR}/opusfile.h" "${CMAKE_CURRENT_BINARY_DIR}/opus/opusfile.h"
)
target_include_directories(SDL2_mixer PRIVATE "${CMAKE_CURRENT_BINARY_DIR}")
if(NOT TARGET opusfile::opusfile)
add_library(opusfile::opusfile ALIAS opusfile)
endif()
if(SDL2MIXER_OPUS_SHARED OR NOT SDL2MIXER_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS opus opusfile)
endif()
if(NOT SDL2MIXER_OPUS_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:opusfile> -l$<TARGET_FILE_BASE_NAME:opus> -l$<TARGET_FILE_BASE_NAME:ogg>)
endif()
else()
message(STATUS "Using system opusfile")
find_package(opusfile REQUIRED)
if(NOT SDL2MIXER_OPUS_SHARED)
list(APPEND PC_REQUIRES opusfile)
endif()
endif()
if(SDL2MIXER_OPUS_SHARED)
target_include_directories(SDL2_mixer PRIVATE
$<TARGET_PROPERTY:opusfile::opusfile,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:opusfile::opusfile,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:opusfile::opusfile,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_opusfile opusfile::opusfile)
message(STATUS "Dynamic opus (opusfile): ${dynamic_opusfile}")
target_compile_definitions(SDL2_mixer PRIVATE "OPUS_DYNAMIC=\"${dynamic_opusfile}\"")
if(SDL2MIXER_VENDORED)
add_dependencies(SDL2_mixer opusfile::opusfile)
endif()
else()
target_link_libraries(SDL2_mixer PRIVATE opusfile::opusfile)
endif()
endif()
if(SDL2MIXER_VORBIS_STB)
message(STATUS "Enabled ogg music: using stb_vorbis")
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_OGG)
target_compile_definitions(SDL2_mixer PRIVATE OGG_USE_STB)
endif()
if(SDL2MIXER_VORBIS_TREMOR)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_OGG OGG_USE_TREMOR)
if(SDL2MIXER_VENDORED)
# vendored libogg alread handled
if(NOT TARGET ogg)
message(FATAL_ERROR "ogg target not present")
endif()
message(STATUS "Using vendored tremor")
set(BUILD_SHARED_LIBS ${SDL2MIXER_VORBIS_TREMOR_SHARED})
sdl_check_project_in_subfolder(external/tremor tremor SDL2MIXER_VENDORED)
add_subdirectory(external/tremor EXCLUDE_FROM_ALL)
if(NOT TARGET tremor::tremor)
add_library(tremor::tremor ALIAS vorbisidec)
endif()
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/ivorbisfile.h" "#include \"${CMAKE_CURRENT_SOURCE_DIR}/external/tremor/ivorbisfile.h\"\n")
execute_process(
COMMAND "${CMAKE_COMMAND}" -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/tremor"
COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${CMAKE_CURRENT_BINARY_DIR}/ivorbisfile.h" "${CMAKE_CURRENT_BINARY_DIR}/tremor/ivorbisfile.h"
)
target_include_directories(SDL2_mixer PRIVATE "${CMAKE_CURRENT_BINARY_DIR}")
if(SDL2MIXER_VORBIS_TREMOR_SHARED OR NOT SDL2MIXER_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS vorbisidec)
endif()
if(NOT SDL2MIXER_VORBIS_TREMOR_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:vorbisidec> -l$<TARGET_FILE_BASE_NAME:ogg>)
endif()
else()
message(STATUS "Using system tremor")
find_package(tremor REQUIRED)
if(NOT SDL2MIXER_VORBIS_TREMOR_SHARED)
list(APPEND PC_REQUIRES tremor)
endif()
endif()
if(SDL2MIXER_VORBIS_TREMOR_SHARED)
target_include_directories(SDL2_mixer PRIVATE
$<TARGET_PROPERTY:tremor::tremor,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:tremor::tremor,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:tremor::tremor,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_tremor tremor::tremor)
message(STATUS "Dynamic vorbis (tremor): ${dynamic_tremor}")
target_compile_definitions(SDL2_mixer PRIVATE "OGG_DYNAMIC=\"${dynamic_tremor}\"")
if(SDL2MIXER_VENDORED)
add_dependencies(SDL2_mixer tremor::tremor)
endif()
else()
target_link_libraries(SDL2_mixer PRIVATE tremor::tremor)
endif()
endif()
if(SDL2MIXER_VORBIS_VORBISFILE)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_OGG)
if(SDL2MIXER_VENDORED)
# vendored libogg alread handled
if(NOT TARGET ogg)
message(FATAL_ERROR "ogg target not present")
endif()
message(STATUS "Using vendored vorbis + vorbisfile")
set(BUILD_SHARED_LIBS ${SDL2MIXER_VORBIS_VORBISFILE_SHARED})
sdl_check_project_in_subfolder(external/vorbis vorbisfile SDL2MIXER_VENDORED)
add_subdirectory(external/vorbis EXCLUDE_FROM_ALL)
if(NOT TARGET vorbisfile::vorbisfile)
add_library(vorbisfile::vorbisfile ALIAS vorbisfile)
endif()
if(SDL2MIXER_VORBIS_VORBISFILE_SHARED OR NOT SDL2MIXER_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS vorbis vorbisfile)
endif()
if(NOT SDL2MIXER_VORBIS_VORBISFILE_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:vorbisfile>)
endif()
else()
message(STATUS "Using system vorbisfile")
find_package(vorbisfile REQUIRED)
if(NOT SDL2MIXER_VORBIS_VORBISFILE_SHARED)
list(APPEND PC_REQUIRES vorbisfile)
endif()
endif()
if(SDL2MIXER_VORBIS_VORBISFILE_SHARED)
target_include_directories(SDL2_mixer PRIVATE
$<TARGET_PROPERTY:vorbisfile::vorbisfile,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:vorbisfile::vorbisfile,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:vorbisfile::vorbisfile,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_vorbisfile vorbisfile::vorbisfile)
message(STATUS "Dynamic vorbisfile: ${dynamic_vorbisfile}")
target_compile_definitions(SDL2_mixer PRIVATE "OGG_DYNAMIC=\"${dynamic_vorbisfile}\"")
if(SDL2MIXER_VENDORED)
add_dependencies(SDL2_mixer vorbisfile::vorbisfile)
endif()
else()
target_link_libraries(SDL2_mixer PRIVATE vorbisfile::vorbisfile)
endif()
endif()
if(SDL2MIXER_FLAC_LIBFLAC)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_FLAC_LIBFLAC)
if(SDL2MIXER_VENDORED)
# vendored libogg alread handled
if(NOT TARGET ogg)
message(FATAL_ERROR "ogg target not present")
endif()
set(BUILD_SHARED_LIBS "${SDL2MIXER_FLAC_LIBFLAC_SHARED}")
set(INSTALL_CMAKE_CONFIG_MODULE OFF CACHE BOOL "Disable libflac installation")
set(WITH_OGG OFF CACHE BOOL "Disable finding ogg using `find_package` (we have vendored it)")
message(STATUS "Using vendored libflac")
sdl_check_project_in_subfolder(external/flac libflac SDL2MIXER_VENDORED)
add_subdirectory(external/flac EXCLUDE_FROM_ALL)
if(SDL2MIXER_FLAC_LIBFLAC_SHARED)
list(APPEND INSTALL_EXTRA_TARGETS FLAC)
endif()
if(NOT SDL2MIXER_FLAC_LIBFLAC_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:FLAC::FLAC> -l$<TARGET_FILE_BASE_NAME:ogg>)
endif()
else()
message(STATUS "Using system libflac")
find_package(FLAC REQUIRED)
if(NOT SDL2MIXER_FLAC_LIBFLAC_SHARED)
list(APPEND PC_REQUIRES flac)
endif()
endif()
if(SDL2MIXER_FLAC_LIBFLAC_SHARED)
target_include_directories(SDL2_mixer PRIVATE
$<TARGET_PROPERTY:FLAC::FLAC,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:FLAC::FLAC,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:FLAC::FLAC,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_flac FLAC::FLAC)
message(STATUS "Dynamic libflac: ${dynamic_flac}")
target_compile_definitions(SDL2_mixer PRIVATE "FLAC_DYNAMIC=\"${dynamic_flac}\"")
if(SDL2MIXER_VENDORED)
add_dependencies(SDL2_mixer FLAC)
endif()
else()
target_link_libraries(SDL2_mixer PRIVATE FLAC)
endif()
endif()
if(SDL2MIXER_FLAC_DRFLAC)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_FLAC_DRFLAC)
endif()
if(SDL2MIXER_MOD_MODPLUG)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_MOD_MODPLUG)
if(SDL2MIXER_VENDORED)
message(STATUS "Using vendored libmodplug")
sdl_check_project_in_subfolder(external/libmodplug libmodplug SDL2MIXER_VENDORED)
set(BUILD_SHARED_LIBS "${SDL2MIXER_MOD_MODPLUG_SHARED}")
enable_language(CXX)
add_subdirectory(external/libmodplug EXCLUDE_FROM_ALL)
target_include_directories(SDL2_mixer PRIVATE external/libmodplug/src)
if(NOT TARGET modplug::modplug)
add_library(modplug::modplug ALIAS modplug)
# <modplug.h> is not escaped properly for windres when using MinGW + "Unix Makefiles" ==> limit it to C sources
target_compile_definitions(SDL2_mixer PRIVATE $<$<COMPILE_LANGUAGE:C>:MODPLUG_HEADER=<modplug.h$<ANGLE-R>>)
endif()
if(SDL2MIXER_FLAC_LIBFLAC_SHARED OR NOT SDL2MIXER_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS modplug)
endif()
if(NOT SDL2MIXER_MOD_MODPLUG_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:modplug>)
endif()
else()
message(STATUS "Using system libmodplug")
find_package(modplug REQUIRED)
if(NOT SDL2MIXER_MOD_MODPLUG_SHARED)
list(APPEND PC_REQUIRES libmodplug)
endif()
endif()
if(SDL2MIXER_MOD_MODPLUG_SHARED)
target_include_directories(SDL2_mixer PRIVATE
$<TARGET_PROPERTY:modplug::modplug,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:modplug::modplug,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:modplug::modplug,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_modplug modplug::modplug)
message(STATUS "Dynamic modplug: ${dynamic_modplug}")
target_compile_definitions(SDL2_mixer PRIVATE "MODPLUG_DYNAMIC=\"${dynamic_modplug}\"")
if(SDL2MIXER_VENDORED)
add_dependencies(SDL2_mixer modplug::modplug)
endif()
else()
target_link_libraries(SDL2_mixer PRIVATE modplug::modplug)
endif()
endif()
if(SDL2MIXER_MOD_XMP)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_MOD_XMP)
if(SDL2MIXER_VENDORED)
message(STATUS "Using vendored libxmp/libxmp-lite")
message(WARNING "Neither libxmp or libxmp-lite are vendored. Using system libxmp instead.")
endif()
if(SDL2MIXER_MOD_XMP_LITE)
message(STATUS "Using system libxmp-lite")
find_package(libxmp-lite REQUIRED)
set(tgt_xmp libxmp-lite::libxmp-lite)
set(xmp_name libxmp-lite)
if(NOT SDL2MIXER_MOD_XMP_SHARED)
list(APPEND PC_REQUIRES libxmplite)
endif()
else()
message(STATUS "Using system libxmp")
find_package(libxmp REQUIRED)
set(tgt_xmp libxmp::libxmp)
set(xmp_name libxmp)
if(NOT SDL2MIXER_MOD_XMP_SHARED)
list(APPEND PC_REQUIRES libxmp)
endif()
endif()
if(SDL2MIXER_MOD_XMP_SHARED)
target_include_directories(SDL2_mixer PRIVATE
$<TARGET_PROPERTY:${tgt_xmp},INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:${tgt_xmp},INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:${tgt_xmp},INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_xmp ${tgt_xmp})
message(STATUS "Dynamic ${xmp_name}: ${dynamic_xmp}")
target_compile_definitions(SDL2_mixer PRIVATE "XMP_DYNAMIC=\"${dynamic_xmp}\"")
if(SDL2MIXER_VENDORED)
add_dependencies(SDL2_mixer ${tgt_xmp})
endif()
else()
target_link_libraries(SDL2_mixer PRIVATE ${tgt_xmp})
endif()
endif()
if(SDL2MIXER_MP3_DRMP3)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_MP3_DRMP3)
endif()
if(SDL2MIXER_MP3_MPG123)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_MP3_MPG123)
if(SDL2MIXER_VENDORED)
message(STATUS "Using vendored mpg123")
sdl_check_project_in_subfolder(external/mpg123/ports/cmake mpg123 SDL2MIXER_VENDORED)
set(BUILD_LIBOUT123 FALSE CACHE BOOL "Don't configure libout123")
set(BUILD_SHARED_LIBS "${SDL2MIXER_MP3_MPG123_SHARED}")
add_subdirectory(external/mpg123/ports/cmake EXCLUDE_FROM_ALL)
if(NOT TARGET MPG123::mpg123)
add_library(MPG123::mpg123 ALIAS libmpg123)
endif()
if(SDL2MIXER_MP3_MPG123_SHARED OR NOT SDL2MIXER_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS libmpg123)
endif()
if(NOT SDL2MIXER_MP3_MPG123_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:MPG123::mpg123>)
endif()
else()
message(STATUS "Using system mpg123")
find_package(MPG123 REQUIRED)
if(NOT SDL2MIXER_MP3_MPG123_SHARED)
list(APPEND PC_REQUIRES libmpg123)
endif()
endif()
if(SDL2MIXER_MP3_MPG123_SHARED)
target_include_directories(SDL2_mixer PRIVATE
$<TARGET_PROPERTY:MPG123::mpg123,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:MPG123::mpg123,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:MPG123::mpg123,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_mpg123 MPG123::mpg123)
message(STATUS "Dynamic mpg123}: ${dynamic_mpg123}")
target_compile_definitions(SDL2_mixer PRIVATE "MPG123_DYNAMIC=\"${dynamic_mpg123}\"")
if(SDL2MIXER_VENDORED)
add_dependencies(SDL2_mixer MPG123::mpg123)
endif()
else()
target_link_libraries(SDL2_mixer PRIVATE MPG123::mpg123)
endif()
endif()
if(SDL2MIXER_MIDI_FLUIDSYNTH)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_MID_FLUIDSYNTH)
if(SDL2MIXER_VENDORED)
message(STATUS "Using vendored FluidSynth")
message(FATAL_ERROR "FluidSynth is not vendored.")
else()
message(STATUS "Using system FluidSynth")
find_package(FluidSynth REQUIRED)
if(NOT SDL2MIXER_MIDI_FLUIDSYNTH_SHARED)
list(APPEND PC_REQUIRES fluidsynth)
endif()
endif()
if(SDL2MIXER_MIDI_FLUIDSYNTH_SHARED)
target_include_directories(SDL2_mixer PRIVATE
$<TARGET_PROPERTY:FluidSynth::FluidSynth,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:FluidSynth::FluidSynth,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:FluidSynth::FluidSynth,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_fluidsynth FluidSynth::FluidSynth)
message(STATUS "Dynamic fluidsynth: ${dynamic_fluidsynth}")
target_compile_definitions(SDL2_mixer PRIVATE "FLUIDSYNTH_DYNAMIC=\"${dynamic_fluidsynth}\"")
if(SDL2MIXER_VENDORED)
add_dependencies(SDL2_mixer FluidSynth::FluidSynth)
endif()
else()
target_link_libraries(SDL2_mixer PRIVATE FluidSynth::FluidSynth)
endif()
endif()
if(SDL2MIXER_MIDI_NATIVE)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_MID_NATIVE)
target_sources(SDL2_mixer PRIVATE
src/codecs/native_midi/native_midi_common.c
src/codecs/native_midi/native_midi_common.h
)
if(WIN32)
target_sources(SDL2_mixer PRIVATE src/codecs/native_midi/native_midi_win32.c)
target_link_libraries(SDL2_mixer PRIVATE winmm)
elseif(APPLE)
target_sources(SDL2_mixer PRIVATE src/codecs/native_midi/native_midi_macosx.c)
target_link_options(SDL2_mixer PRIVATE -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit -Wl,-framework,CoreServices)
elseif(HAIKU)
enable_language(CXX)
target_sources(SDL2_mixer PRIVATE src/codecs/native_midi/native_midi_haiku.cpp)
target_link_libraries(SDL2_mixer PRIVATE midi)
endif()
endif()
if(SDL2MIXER_MIDI_TIMIDITY)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_MID_TIMIDITY)
target_sources(SDL2_mixer PRIVATE
src/codecs/timidity/common.c
src/codecs/timidity/instrum.c
src/codecs/timidity/mix.c
src/codecs/timidity/output.c
src/codecs/timidity/playmidi.c
src/codecs/timidity/readmidi.c
src/codecs/timidity/resample.c
src/codecs/timidity/tables.c
src/codecs/timidity/timidity.c
)
endif()
if(SDL2MIXER_WAVE)
target_compile_definitions(SDL2_mixer PRIVATE MUSIC_WAV)
endif()
if(SDL2MIXER_INSTALL)
install(
TARGETS SDL2_mixer
EXPORT SDL2MixerTargets
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT devel
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT library
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT library
PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/SDL2" COMPONENT devel
)
if(INSTALL_EXTRA_TARGETS)
install(TARGETS ${INSTALL_EXTRA_TARGETS}
EXPORT SDL2MixerTargets
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT devel
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT library
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT library
PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}" COMPONENT devel
)
endif()
##### export files #####
if(WIN32 AND NOT MINGW)
set(PKG_PREFIX "cmake")
else()
set(PKG_PREFIX "${CMAKE_INSTALL_LIBDIR}/cmake/SDL2_mixer")
endif()
configure_package_config_file(SDL2_mixerConfig.cmake.in SDL2_mixerConfig.cmake
INSTALL_DESTINATION "${PKG_PREFIX}"
)
write_basic_package_version_file("${PROJECT_BINARY_DIR}/SDL2_mixerConfigVersion.cmake"
VERSION ${FULL_VERSION}
COMPATIBILITY AnyNewerVersion
)
install(
FILES
"${CMAKE_CURRENT_BINARY_DIR}/SDL2_mixerConfig.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/SDL2_mixerConfigVersion.cmake"
DESTINATION "${PKG_PREFIX}"
COMPONENT devel
)
if(NOT SDL2MIXER_BUILD_SHARED_LIBS)
install(
FILES
cmake/FindFLAC.cmake
cmake/FindFluidSynth.cmake
cmake/Findlibxmp.cmake
cmake/Findlibxmp-lite.cmake
cmake/Findmodplug.cmake
cmake/Findopusfile.cmake
cmake/FindMPG123.cmake
cmake/Findvorbisfile.cmake
cmake/Findtremor.cmake
DESTINATION "${PKG_PREFIX}"
COMPONENT devel
)
endif()
install(EXPORT SDL2MixerTargets
FILE SDL2_mixer-${sdl2_mixer_install_name_infix}-targets.cmake
NAMESPACE SDL2_mixer::
DESTINATION "${PKG_PREFIX}"
COMPONENT devel
)
if(SDL2MIXER_BUILD_SHARED_LIBS)
# Only create a .pc file for a shared SDL2_mixer
set(VERSION ${FULL_VERSION})
set(SDL_VERSION ${SDL_REQUIRED_VERSION})
set(prefix "${CMAKE_INSTALL_PREFIX}")
set(exec_prefix "\${prefix}")
set(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
set(bindir "\${exec_prefix}/bin")
set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
string(JOIN " " PC_REQUIRES ${PC_REQUIRES})
string(JOIN " " PC_LIBS ${PC_LIBS})
configure_file(SDL2_mixer.pc.in ${CMAKE_CURRENT_BINARY_DIR}/SDL2_mixer.pc.intermediate @ONLY)
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/SDL2_mixer-$<CONFIG>.pc" INPUT "${CMAKE_CURRENT_BINARY_DIR}/SDL2_mixer.pc.intermediate")
set(PC_DESTDIR)
if(CMAKE_SYSTEM_NAME MATCHES FreeBSD)
# FreeBSD uses ${PREFIX}/libdata/pkgconfig
set(PC_DESTDIR "libdata/pkgconfig")
else()
set(PC_DESTDIR "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
endif()
# Only install a SDL2_mixer.pc file in Release mode
install(CODE "
# FIXME: use file(COPY_FILE) if minimum CMake version >= 3.21
execute_process(COMMAND \"\${CMAKE_COMMAND}\" -E copy_if_different
\"${CMAKE_CURRENT_BINARY_DIR}/SDL2_mixer-$<CONFIG>.pc\"
\"${CMAKE_CURRENT_BINARY_DIR}/SDL2_mixer.pc\")
file(INSTALL DESTINATION \"\${CMAKE_INSTALL_PREFIX}/${PC_DESTDIR}\"
TYPE FILE
FILES \"${CMAKE_CURRENT_BINARY_DIR}/SDL2_mixer.pc\")" CONFIG Release COMPONENT devel)
endif()
if(SDL2MIXER_BUILD_SHARED_LIBS AND (APPLE OR (UNIX AND NOT ANDROID)))
install(
FILES
"${PROJECT_BINARY_DIR}/libSDL2_mixer$<$<CONFIG:Debug>:${SDL2MIXER_DEBUG_POSTFIX}>$<TARGET_FILE_SUFFIX:SDL2_mixer>"
DESTINATION "${CMAKE_INSTALL_LIBDIR}"
COMPONENT devel
)
endif()
install(FILES "LICENSE.txt"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/licenses/${PROJECT_NAME}"
COMPONENT library
)
endif()
if(SDL2MIXER_SAMPLES)
add_executable(playmus playmus.c)
add_executable(playwave playwave.c)
find_package(SDL2main)
foreach(prog playmus playwave)
# FIXME: mingw should be handled by SDL2::SDL2(-static) target
if(MINGW)
target_link_libraries(${prog} PRIVATE mingw32)
target_link_options(${prog} PRIVATE -mwindows)
endif()
target_link_libraries(${prog} PRIVATE SDL2_mixer::${sdl2_mixer_export_name})
if(TARGET SDL2::SDL2main)
target_link_libraries(${prog} PRIVATE SDL2::SDL2main)
endif()
target_link_libraries(${prog} PRIVATE ${sdl2_target_name})
if(SDL2MIXER_SAMPLES_INSTALL)
install(TARGETS ${prog}
RUNTIME DESTINATION "{CMAKE_INSTALL_BINDIR}"
)
endif()
endforeach()
endif()
add_library(SDL2::mixer INTERFACE IMPORTED GLOBAL)
set_target_properties(SDL2::mixer PROPERTIES
INTERFACE_LINK_LIBRARIES "SDL2_mixer"
)
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.17")
set_target_properties(SDL2::mixer PROPERTIES
DEPRECATION "Use SDL2_mixer::SDL2_mixer or SDL2_mixer::SDL2_mixer-static instead"
)
endif()