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CMakeLists.txt
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CMakeLists.txt
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# ======================
# ARA Examples CMake Integration
#
# Copyright (c) 2020-2023, Celemony Software GmbH, All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http:https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ======================
# See accompanying README.md for details about the CMake integration of the ARA examples.
# ======================
# cmake compatibility
# You may be able to use older versions by commenting out this line, but we do not support it.
cmake_minimum_required(VERSION 3.19 FATAL_ERROR)
if(APPLE)
if(NOT CMAKE_GENERATOR MATCHES "Xcode")
message(FATAL_ERROR "CMake support for Apple platforms is currently limited to Xcode, add '-G Xcode'.")
endif()
elseif(NOT WIN32)
message(STATUS "Careful: ARA CMake support for this system is currently experimental.")
endif()
# ======================
# supported build configurations
get_property(ARA_IS_MULTI_CONFIG_GENERATOR GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(ARA_IS_MULTI_CONFIG_GENERATOR)
set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Build Configurations" FORCE)
else()
if(CMAKE_BUILD_TYPE)
if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug" AND NOT CMAKE_BUILD_TYPE STREQUAL "Release")
message(FATAL_ERROR "CMAKE_BUILD_TYPE must be either 'Debug' or 'Release', value '${CMAKE_BUILD_TYPE}' is invalid.")
endif()
else()
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Build Type (either 'Debug' or 'Release')" FORCE)
message(STATUS "No build type specified, defaulting to '${CMAKE_BUILD_TYPE}'.")
endif()
endif()
# these paths match Steinberg's default paths used in the VST SDK
set(optional_build_type_subfolder "")
if(NOT ARA_IS_MULTI_CONFIG_GENERATOR AND NOT WIN32)
set(optional_build_type_subfolder "/${CMAKE_BUILD_TYPE}")
endif()
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib${optional_build_type_subfolder}")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib${optional_build_type_subfolder}")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin${optional_build_type_subfolder}")
unset(optional_build_type_subfolder)
# ======================
# enable universal binaries on Apple platforms
if(APPLE AND NOT CMAKE_OSX_ARCHITECTURES)
set(CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD)" CACHE STRING "macOS architecture(s) - defaults to Xcode standard archs instead of CMake build platform" FORCE)
endif()
# ======================
# ARA SDK paths
if(ARA_API_DIR)
# normalize path if provided (and if relative path, assume it's relative to the top-level project)
get_filename_component(ARA_API_DIR "${ARA_API_DIR}" ABSOLUTE BASE_DIR "${CMAKE_SOURCE_DIR}")
else()
# if no path provided, assume ARA_API is right next to our ARA_Examples directory
get_filename_component(ARA_API_DIR ../ARA_API ABSOLUTE "${CMAKE_CURRENT_SOURCE_DIR}")
endif()
set(ARA_API_DIR "${ARA_API_DIR}" CACHE PATH "directory of the ARA_API project")
if(ARA_LIBRARY_DIR)
# normalize path if provided (and if relative path, assume it's relative to the top-level project)
get_filename_component(ARA_LIBRARY_DIR "${ARA_LIBRARY_DIR}" ABSOLUTE BASE_DIR "${CMAKE_SOURCE_DIR}")
else()
# if no path provided, assume ARA_Library is right next to our ARA_Examples directory
get_filename_component(ARA_LIBRARY_DIR ../ARA_Library ABSOLUTE "${CMAKE_CURRENT_SOURCE_DIR}")
endif()
set(ARA_LIBRARY_DIR "${ARA_LIBRARY_DIR}" CACHE PATH "directory of the ARA_Library project")
# ======================
# Companion APIs paths
if(ARA_VST3_SDK_DIR)
# normalize path if provided (and if relative path, assume it's relative to the top-level project)
get_filename_component(ARA_VST3_SDK_DIR "${ARA_VST3_SDK_DIR}" ABSOLUTE BASE_DIR "${CMAKE_SOURCE_DIR}")
else()
# if no path provided, assume vst3sdk is right next to our ARA_Examples directory
get_filename_component(ARA_VST3_SDK_DIR ../vst3sdk ABSOLUTE "${CMAKE_CURRENT_SOURCE_DIR}")
endif()
set(ARA_VST3_SDK_DIR "${ARA_VST3_SDK_DIR}" CACHE PATH "directory of the VST3 SDK")
if(EXISTS "${ARA_VST3_SDK_DIR}")
set(ARA_ENABLE_VST3 TRUE)
else()
message(STATUS "No VST3 SDK installed, will not generate VST3 related examples.")
set(ARA_ENABLE_VST3 FALSE)
endif()
if(APPLE)
if(ARA_AUDIO_UNIT_SDK_DIR)
# normalize path if provided (and if relative path, assume it's relative to the top-level project)
get_filename_component(ARA_AUDIO_UNIT_SDK_DIR "${ARA_AUDIO_UNIT_SDK_DIR}" ABSOLUTE BASE_DIR "${CMAKE_SOURCE_DIR}")
else()
# if no path provided, assume AudioUnitSDK is right next to our ARA_Examples directory
get_filename_component(ARA_AUDIO_UNIT_SDK_DIR ../AudioUnitSDK ABSOLUTE "${CMAKE_CURRENT_SOURCE_DIR}")
endif()
set(ARA_AUDIO_UNIT_SDK_DIR "${ARA_AUDIO_UNIT_SDK_DIR}" CACHE PATH "directory of the Audio Unit SDK")
if(EXISTS "${ARA_AUDIO_UNIT_SDK_DIR}")
set(ARA_ENABLE_AUDIO_UNIT TRUE)
else()
message(STATUS "No Audio Unit SDK installed, will not generate Audio Unit related examples.")
set(ARA_ENABLE_AUDIO_UNIT FALSE)
endif()
else()
set(ARA_ENABLE_AUDIO_UNIT FALSE)
endif()
if(ARA_CLAP_SDK_DIR)
# normalize path if provided (and if relative path, assume it's relative to the top-level project)
get_filename_component(ARA_CLAP_SDK_DIR "${ARA_CLAP_SDK_DIR}" ABSOLUTE BASE_DIR "${CMAKE_SOURCE_DIR}")
else()
# if no path provided, assume clap is right next to our ARA_Examples directory
get_filename_component(ARA_CLAP_SDK_DIR ../clap ABSOLUTE "${CMAKE_CURRENT_SOURCE_DIR}")
endif()
set(ARA_CLAP_SDK_DIR "${ARA_CLAP_SDK_DIR}" CACHE PATH "directory of the CLAP SDK")
if(EXISTS "${ARA_CLAP_SDK_DIR}")
set(ARA_ENABLE_CLAP TRUE)
else()
message(STATUS "No CLAP SDK installed, will not generate CLAP related examples.")
set(ARA_ENABLE_CLAP FALSE)
endif()
if(NOT (ARA_ENABLE_VST3 OR ARA_ENABLE_AUDIO_UNIT OR ARA_ENABLE_CLAP))
message(FATAL_ERROR "No Companion API SDK installed - at least one of VST3, Audio Unit or CLAP SDK is required.")
endif()
# ======================
# project globals
include("${ARA_API_DIR}/ARA_Version.cmake")
include("${ARA_API_DIR}/ARA_API_Helpers.cmake")
# set this to OFF when running on build servers, ON for developer machines where you intend to debug.
# this may require building as admin, depending on the access rights needed to write to the audio plug-in folder(s)
option(ARA_SETUP_DEBUGGING "Prepare for debugging (configure debugger, install audio plug-ins into system, etc.)" ON)
# regenerating the project while building causes various of issues, esp. in Xcode, plus these examples are typically not modified
set(CMAKE_SUPPRESS_REGENERATION ON)
set(CMAKE_XCODE_GENERATE_TOP_LEVEL_PROJECT_ONLY ON)
set(CMAKE_XCODE_GENERATE_SCHEME ${ARA_SETUP_DEBUGGING})
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
# https://stackoverflow.com/questions/41695993/ignore-warnings-in-external-modules-when-using-cmake
if(POLICY CMP0077)
set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
cmake_policy(SET CMP0077 NEW)
endif()
if(POLICY CMP0091)
set(CMAKE_POLICY_DEFAULT_CMP0091 NEW)
cmake_policy(SET CMP0091 NEW)
endif()
# helpful for debugging the build if necessary
#set(CMAKE_EXPORT_COMPILE_COMMANDS ON CACHE STRING "Generate compile commands" FORCE)
project(ARA_Examples
DESCRIPTION "ARA Audio Random Access: Examples"
#only added in CMake 3.12, we still support 3.10 on some platforms:
#HOMEPAGE_URL https://www.celemony.com/ara
VERSION ${ARA_MAJOR_VERSION}.${ARA_MINOR_VERSION}.${ARA_PATCH_VERSION}.${ARA_BUILD_VERSION}
LANGUAGES C CXX
)
# ======================
# C and C++ language standard
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_EXTENSIONS OFF)
set(CMAKE_C_STANDARD_REQUIRED ON)
# sync C++ standard between Xcode and CMake (unfortunately the CMake Xcode generator uses OTHER_CPLUSPLUSFLAGS)
# \todo similar logic should be done above for CMAKE_C_... based on GCC_C_LANGUAGE_STANDARD
if(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD)
if(CMAKE_CXX_STANDARD)
if(NOT CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD MATCHES ${CMAKE_CXX_STANDARD})
message(FATAL_ERROR "Conflicting C++ standards set in general versus Xcode-specific configuration.")
endif()
else()
string(REGEX MATCH "[0123456789][0123456789]" CMAKE_CXX_STANDARD CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD)
endif()
string(REGEX MATCH "[Cc]\\+\\+" temp CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD)
if (CMAKE_CXX_EXTENSIONS)
if((temp AND NOT CMAKE_CXX_EXTENSIONS) OR
(NOT temp AND CMAKE_CXX_EXTENSIONS))
message(FATAL_ERROR "Conflicting C++ standards set in general versus Xcode-specific configuration.")
endif()
else()
if(temp)
set(CMAKE_CXX_EXTENSIONS OFF)
else()
set(CMAKE_CXX_EXTENSIONS ON)
endif()
endif()
unset(temp)
endif()
if(CMAKE_CXX_STANDARD)
if(NOT(CMAKE_CXX_STANDARD VERSION_GREATER_EQUAL 11 AND
CMAKE_CXX_STANDARD VERSION_LESS 98))
message(FATAL_ERROR "This project require C++11 or newer.")
endif()
else()
if(MSVC)
set(CMAKE_CXX_STANDARD 14)
else()
set(CMAKE_CXX_STANDARD 11)
endif()
endif()
if(NOT CMAKE_CXX_EXTENSIONS)
set(CMAKE_CXX_EXTENSIONS OFF)
endif()
set(CXX_STANDARD_REQUIRED ON)
# ======================
# support for OBJECT libraries:
# test if we can use object targets or must fall back to or static targets
# older CMake can't link to object targets, must build static lib instead
# \todo when building universal binaries for macOS, the paths to the object files are broken...
# to work around, we need to stick with static libs for now.
# CMake 3.20 promises a fix for the issue...
#if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.12)
# set(ARA_SHARED_TARGET_TYPE OBJECT)
#else()
set(ARA_SHARED_TARGET_TYPE STATIC)
#endif()
# ======================
# target platform
if(WIN32)
# no special setup for Windows needed at this point.
elseif(APPLE)
if (CMAKE_OSX_DEPLOYMENT_TARGET AND
CMAKE_OSX_DEPLOYMENT_TARGET VERSION_LESS "10.9")
message(FATAL_ERROR "CMAKE_OSX_DEPLOYMENT_TARGET must be '10.9' or higher.")
endif()
if(NOT CMAKE_OSX_SYSROOT MATCHES ".+[Mm][Aa][Cc][Oo][Ss][X?x?]?[0123456789]+\.[0123456789]+\.sdk")
message(FATAL_ERROR "CMake support for Apple platforms is currently limited to macOS.")
endif()
elseif(UNIX)
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
else()
message(FATAL_ERROR "Unsupported target system.")
endif()
# ======================
# Compiler-specific default settings
# check GNU-style compilers (GCC, Clang, AppleClang)
if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
set(GCC_STYLE_COMPILER TRUE)
else()
set(GCC_STYLE_COMPILER FALSE)
endif()
if(MSVC)
# explicitly remove debug format set by some Windows CMake generators to enable edit&continue
# (see also similar workaround when configuring warings)
string(REGEX REPLACE "/Z[7iI]" "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
string(REGEX REPLACE "/Z[7iI]" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
add_compile_options(
/MP
$<IF:$<CONFIG:Debug>,/ZI,/Zi>
/diagnostics:column
)
elseif(GCC_STYLE_COMPILER)
add_compile_options(
$<IF:$<CONFIG:Debug>,-O0,-Os>
)
# Architectures \todo CMake bug? This does not properly propagate to all targets, must be set again per-target...
set(CMAKE_XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH $<IF:$<CONFIG:Debug>,YES,NO>)
# Build Options
set(CMAKE_XCODE_ATTRIBUTE_ENABLE_TESTABILITY $<IF:$<CONFIG:Debug>,YES,NO>)
# Search Paths
set(CMAKE_XCODE_ATTRIBUTE_ALWAYS_SEARCH_USER_PATHS NO)
# Preprocessing
set(CMAKE_XCODE_ATTRIBUTE_ENABLE_NS_ASSERTIONS $<IF:$<CONFIG:Debug>,YES,NO>)
set(CMAKE_XCODE_ATTRIBUTE_ENABLE_STRICT_OBJC_MSGSEND YES)
endif()
# ======================
# Apple signing (defaults to signing locally for debug and not signing for release)
# Set CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY and CMAKE_XCODE_ATTRIBUTE_DEVELOPMENT_TEAM
# in your CMakeCache.txt if building actual products based on these examples,
# or inject them when generating from the command line.
if(APPLE AND NOT CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY)
set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "$<$<CONFIG:Debug>:->")
message(WARNING "CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY not set via command line or CMakeCache.txt, binaries will not be signed correctly")
endif()
if(APPLE AND NOT CMAKE_XCODE_ATTRIBUTE_DEVELOPMENT_TEAM)
message(WARNING "CMAKE_XCODE_ATTRIBUTE_DEVELOPMENT_TEAM not set via command line or CMakeCache.txt, binaries will not be signed correctly")
endif()
# \todo this should be set per-target, but for some reason CMake ignores it when set only there...
set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS "${CMAKE_CURRENT_SOURCE_DIR}/ExamplesCommon/macOS/ARAExamples.entitlements")
set(CMAKE_XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME YES)
# ======================
# external dependency: VST3 SDK
if(ARA_ENABLE_VST3)
message(STATUS "Importing VST3 SDK")
if(POLICY CMP0077)
set(SMTG_RENAME_ASSERT OFF)
set(SMTG_ADD_VSTGUI OFF)
else()
set(SMTG_RENAME_ASSERT OFF CACHE BOOL "Disable SMTG_RENAME_ASSERT per default")
set(SMTG_ADD_VSTGUI OFF CACHE BOOL "Disable SMTG_ADD_VSTGUI per default")
endif()
# when adding these paths, the VST3 SDK CMake file implicitly adds the corresponding wrapper targets,
# which we currently do not want because we build these plug-ins natively
#set(SMTG_COREAUDIO_SDK_PATH "${ARA_AUDIO_UNIT_SDK_DIR}/CoreAudio")
#set(SMTG_AAX_SDK_PATH "${ARA_AAX_SDK_DIR}")
add_subdirectory("${ARA_VST3_SDK_DIR}" "${PROJECT_BINARY_DIR}/vst3sdk" EXCLUDE_FROM_ALL)
set_target_properties(base cmake_modules cmake_VST_modules pluginterfaces sdk_hosting sdk_common sdk validator PROPERTIES
FOLDER "3rdParty/vst3sdk"
XCODE_GENERATE_SCHEME OFF
XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH $<IF:$<CONFIG:Debug>,YES,NO>
)
set_target_properties(validator PROPERTIES
CXX_STANDARD 14
# \todo workaround for having to globally set the entitlements, see CMAKE_XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME above
XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME NO
)
# disable some warnings that do not go along with the VST3 coding style
if(MSVC)
target_compile_options(base PUBLIC
"/wd4127"
)
else()
target_compile_options(base PUBLIC
"-Wno-undef"
"$<$<COMPILE_LANGUAGE:CXX>:-Wno-non-virtual-dtor>"
)
endif()
# hotfix to silence Steinberg's "DEPRECATED No Linux implementation" warnings
if(UNIX AND NOT APPLE)
target_compile_options(base PRIVATE
"-Wno-cpp"
)
endif()
function(ara_add_vst3_main target)
get_target_property(source_dir ${target} SOURCE_DIR)
get_target_property(sources_old ${target} SOURCES)
set(public_sdk_SOURCE_DIR "${ARA_VST3_SDK_DIR}/public.sdk")
smtg_target_add_library_main(${target})
get_target_property(sources_new ${target} SOURCES)
list(REMOVE_ITEM sources_new ${sources_old})
source_group("VST3 SDK/main" FILES ${sources_new})
foreach(source ${sources_new})
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set_source_files_properties("${source}" PROPERTIES COMPILE_FLAGS
"$<$<COMPILE_LANGUAGE:CXX>:-Wno-old-style-cast> -Wno-zero-as-null-pointer-constant -Wno-reserved-id-macro"
)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
set_source_files_properties("${source}" PROPERTIES COMPILE_FLAGS
# \todo CMake 3.10 on Linux struggles with this, but since the SDK only adds .cpp files we can skip the generator expression for now
#$<$<COMPILE_LANGUAGE:CXX>:-Wno-old-style-cast>
-Wno-old-style-cast
)
endif()
endforeach()
endfunction()
endif(ARA_ENABLE_VST3)
# ======================
# external dependency: Audio Unit SDK
if(ARA_ENABLE_AUDIO_UNIT)
message(STATUS "Importing AudioUnitSDK")
add_library(AudioUnitSDK ${ARA_SHARED_TARGET_TYPE} EXCLUDE_FROM_ALL
"${ARA_AUDIO_UNIT_SDK_DIR}/readme.md"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUBase.cpp"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUBase.h"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUBuffer.cpp"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUBuffer.h"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUBufferAllocator.cpp"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUEffectBase.cpp"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUEffectBase.h"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUInputElement.cpp"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUInputElement.h"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUOutputElement.cpp"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUOutputElement.h"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUPlugInDispatch.cpp"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUPlugInDispatch.h"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUScopeElement.cpp"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUScopeElement.h"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUSilentTimeout.h"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/AUUtility.h"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/ComponentBase.cpp"
"${ARA_AUDIO_UNIT_SDK_DIR}/Source/ComponentBase.h"
)
target_include_directories(AudioUnitSDK PUBLIC
"${ARA_AUDIO_UNIT_SDK_DIR}/Source"
)
target_compile_definitions(AudioUnitSDK PUBLIC
-DCA_USE_AUDIO_PLUGIN_ONLY=1
)
target_compile_options(AudioUnitSDK
PUBLIC
-Wno-undef
-Wno-shadow
-Wno-switch-enum
-Wno-sign-conversion
-Wno-nullable-to-nonnull-conversion
-Wno-deprecated
-Wno-extra-semi
PRIVATE
-Wall
-Wextra
-Wno-unused-parameter
-Wno-conversion
$<$<CXX_COMPILER_ID:AppleClang>:-Wno-newline-eof>
)
target_link_libraries(AudioUnitSDK PUBLIC
"-framework CoreFoundation"
"-framework CoreAudio"
"-framework AudioToolbox"
"-framework AudioUnit"
)
set_target_properties(AudioUnitSDK PROPERTIES
CXX_STANDARD 17
FOLDER "3rdParty"
XCODE_GENERATE_SCHEME OFF
XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH $<IF:$<CONFIG:Debug>,YES,NO>
)
endif(ARA_ENABLE_AUDIO_UNIT)
# ======================
# optional external dependency: CLAP
if(ARA_ENABLE_CLAP)
message(STATUS "Importing CLAP SDK")
add_subdirectory("${ARA_CLAP_SDK_DIR}" "${PROJECT_BINARY_DIR}/clap" EXCLUDE_FROM_ALL)
set_target_properties(clap clap-tests PROPERTIES
FOLDER "3rdParty/clap"
XCODE_GENERATE_SCHEME OFF
XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH $<IF:$<CONFIG:Debug>,YES,NO>
)
endif(ARA_ENABLE_CLAP)
# ======================
# external dependency: some general purpose 3rdParty libraries used in the ARA examples
message(STATUS "Importing more 3rd party libraries")
function(configure_3rdParty_target target)
if(MSVC)
target_compile_options(${target}
PRIVATE
/wd4244
/wd4267
/wd4996
/wd6001
/wd6054
/wd6326
/wd6385
/wd6386
)
endif()
if(GCC_STYLE_COMPILER)
target_compile_options(${target}
PRIVATE
-Wno-conversion
-Wno-unused-result
)
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
target_compile_options(${target}
PUBLIC
-Wno-reserved-id-macro
-Wno-deprecated-dynamic-exception-spec
PRIVATE
-Wno-shorten-64-to-32
)
endif()
set_target_properties(${target} PROPERTIES
FOLDER "3rdParty"
XCODE_GENERATE_SCHEME OFF
XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH $<IF:$<CONFIG:Debug>,YES,NO>
)
endfunction()
# fetch Git submodules if needed
if((NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/cpp-base64/base64.h") OR
(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/ICST_AudioFile/AudioFile.h") OR
(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/pugixml/src/pugixml.hpp"))
message(STATUS "Updating Git submodules")
execute_process(COMMAND git -C "${CMAKE_CURRENT_SOURCE_DIR}" submodule update --init --recursive RESULT_VARIABLE result)
if(result)
message(FATAL_ERROR "Couldn't fetch/update Git submodules: ${result}.")
endif()
unset(result)
endif()
add_library(cpp-base64 ${ARA_SHARED_TARGET_TYPE} EXCLUDE_FROM_ALL
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/cpp-base64/base64.h"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/cpp-base64/base64.cpp"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/cpp-base64/README.md"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/cpp-base64/LICENSE"
)
configure_3rdParty_target(cpp-base64)
add_library(ICST_AudioFile ${ARA_SHARED_TARGET_TYPE} EXCLUDE_FROM_ALL
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/ICST_AudioFile/Common.h"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/ICST_AudioFile/MathDefs.h"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/ICST_AudioFile/AudioFile.h"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/ICST_AudioFile/AudioFile.cpp"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/ICST_AudioFile/README.md"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/ICST_AudioFile/LICENSE.txt"
)
configure_3rdParty_target(ICST_AudioFile)
add_library(pugixml ${ARA_SHARED_TARGET_TYPE} EXCLUDE_FROM_ALL
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/pugixml/src/pugiconfig.hpp"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/pugixml/src/pugixml.hpp"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/pugixml/src/pugixml.cpp"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/pugixml/README.md"
"${CMAKE_CURRENT_SOURCE_DIR}/3rdParty/pugixml/LICENSE.md"
)
configure_3rdParty_target(pugixml)
# ======================
# enable all warnings appropriate for the ARA SDK code
if(MSVC)
# explicitly remove default warning level set by some Windows CMake generators so we can configure it without conflict later on
# see https://github.com/Microsoft/llvm/commit/daa55a66a09167498fc8b35b6cdece3636d88b7e
string(REGEX REPLACE "/W[0-4]" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
string(REGEX REPLACE "/W[0-4]" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
add_compile_options(
/Wall
# warnings that are triggered by Windows or Visual Studio system headers
# \todo see https://devblogs.microsoft.com/cppblog/broken-warnings-theory/
# we should be able to disable them only for the system headers
# this could also be used for warnings from 3rd party and companion includes
# CMake also offers SYSTEM includes for libraries, this would achieve the same.
/wd4255 # missing prototype
/wd4365 # signed/unsigned conversion
/wd4548 # expression before comma has no effect
/wd4668 # undefined macro
/wd5039 # potentially throwing function passed to 'extern "C"'
/wd5204 # trivial destructor is not virtual
# warnings that only provide additional information for valid code:
/wd4514 # removed unreferenced inline function
/wd4710 # function not inlined
/wd4711 # automatic inline expansion
/wd4820 # struct padding
/wd4623 # default constructor implicitly deleted
/wd4625 # copy constructor implicitly deleted
/wd4626 # assignment operator implicitly deleted
/wd5027 # move assignment operator implicitly deleted
/wd5026 # move constructor was implicitly defined as deleted
/wd5220 # volatile member no longer implies trivial copy/move constructors/assignment operators
/wd5045 # Spectre mitigation
# warnings that are too broad
/wd4355 # 'this' used in base member initializer list
# this is only a problem if the pointer is used, but not if the pointer is merely stored for later use
)
if(MSVC_VERSION VERSION_LESS 1920)
add_compile_options(
# warnings that are triggered by Visual Studio older than 2019 system headers
/wd4571 # catch(...) semantics changed
/wd4774 # format string mismatch
)
endif()
elseif(GCC_STYLE_COMPILER)
add_compile_options(
-Wall
-Wextra
# this cannot be used for gcc because the necessary -Wno-variadic-macros below does not work, moved to clang-only
#-Wpedantic
-Wconversion
-Wuninitialized
-Wcast-align
-Wpointer-arith
-Wundef
-Wpacked
-Wswitch-enum
-Wunreachable-code
-Wdeprecated-declarations
-Wno-missing-declarations
-Wformat=2
$<$<COMPILE_LANGUAGE:C>:-Wstrict-prototypes>
$<$<COMPILE_LANGUAGE:C>:-Wimplicit>
$<$<COMPILE_LANGUAGE:CXX>:-Wnon-virtual-dtor>
$<$<COMPILE_LANGUAGE:CXX>:-Wpessimizing-move>
$<$<COMPILE_LANGUAGE:CXX>:-Wredundant-move>
$<$<COMPILE_LANGUAGE:CXX>:-Wextra-semi>
$<$<COMPILE_LANGUAGE:CXX>:-Wold-style-cast>
)
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
add_compile_options(
-Wpedantic
-Wgcc-compat
-Wgnu
-Wnon-gcc
-Wno-gnu-zero-variadic-macro-arguments
-Wno-vla-extension
-Wno-four-char-constants
-Wmicrosoft
-Wpragmas
-Wshadow-all
-Wsigned-enum-bitfield
-Wnullable-to-nonnull-conversion
-Wvector-conversion
-Wshift-sign-overflow
-Wloop-analysis
-Wconditional-uninitialized
-Wunreachable-code-aggressive
-Wpedantic-core-features
-Watomic-properties
-Wimplicit-fallthrough
-Wimplicit-function-declaration
-Wimplicit-retain-self
-Wmethod-signatures
-Wmissing-noreturn
-Wassign-enum
-Wover-aligned
-Wlong-long
-Wredundant-parens
-Wcomma
-Wnewline-eof
-Wformat-pedantic
-Wformat-non-iso
-Wdeprecated
-Wdeprecated-implementations
-Wdeprecated-objc-isa-usage
-Wdeprecated-objc-pointer-introspection
-Wdeprecated-objc-pointer-introspection-performSelector
-Wblock-capture-autoreleasing
-Wrange-loop-analysis
-Wstatic-in-inline
-Wthread-safety
-Wthread-safety-beta
-Wthread-safety-negative
-Wthread-safety-verbose
-Wobjc-missing-property-synthesis
-Wobjc-interface-ivars
-Wobjc-messaging-id
-Wobjc-missing-property-synthesis
-Wobjc-property-assign-on-object-type
-Wreceiver-forward-class
-Wselector
-Wundeclared-selector
-Wstrict-selector-match
-Wsuper-class-method-mismatch
-Wduplicate-decl-specifier
-Wmain
-Wused-but-marked-unused
-Wavailability
-Wunguarded-availability
-Wheader-hygiene
-Wnonportable-system-include-path
-Wquoted-include-in-framework-header
-Winvalid-or-nonexistent-directory
-Wvariadic-macros
-Wreserved-id-macro
-Wreserved-user-defined-literal
-Widiomatic-parentheses
-Wincomplete-module
-Wimplicit-retain-self
-Wquoted-include-in-framework-header
-Watomic-implicit-seq-cst
-Wabstract-vbase-init
-Winconsistent-missing-destructor-override
-Woverriding-method-mismatch
-Wundefined-func-template
-Wundefined-reinterpret-cast
-Wunsupported-dll-base-class-template
-Wunused-exception-parameter
-Wunused-member-function
-Wunused-template
-Wweak-template-vtables
-Wzero-as-null-pointer-constant
-Wprofile-instr-missing
)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
add_compile_options(
-Wno-variadic-macros
-Wno-vla
-Wshadow
)
endif()
endif()
# ======================
# enable code analysis for the given target
function(ara_enable_target_analyzer target)
if(MSVC)
# file(TO_NATIVE_PATH "${CMAKE_CURRENT_LIST_DIR}" ARA_RULESET_DIR)
# set(ARA_RULESET_FILE "${ARA_RULESET_DIR}\\ARA_Library.ruleset")
target_compile_options(${target}
PRIVATE
/analyze
# \todo for some reason the compiler neither accepts this:
# /analyze:rulesetdirectory "${ARA_RULESET_DIR}"
# /analyze:ruleset ARA_Library.ruleset
# nor that:
# /analyze:ruleset "${ARA_RULESET_FILE}"
)
elseif(XCODE)
set_target_properties(${target} PROPERTIES
# Static Analyzer (Analysis Policy, Apple APIs, Security)
XCODE_ATTRIBUTE_RUN_CLANG_STATIC_ANALYZER YES
XCODE_ATTRIBUTE_CLANG_STATIC_ANALYZER_MODE $<IF:$<CONFIG:Debug>,shallow,deep>
XCODE_ATTRIBUTE_CLANG_ANALYZER_SECURITY_FLOATLOOPCOUNTER YES
XCODE_ATTRIBUTE_CLANG_ANALYZER_SECURITY_INSECUREAPI_RAND YES
XCODE_ATTRIBUTE_CLANG_ANALYZER_SECURITY_INSECUREAPI_STRCPY YES
)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# \todo instead of "cloning" the target, it may be more reliable to just run a post-build
# script that directly calls underlying xcodebuild/clang directly to build the
# target w/ analysis enabled (and obj file creation/link disabled)?
# But unfortunately OBJECT targets cannot have post-builds for some obscure reason...
get_target_property(sources ${target} SOURCES)
get_target_property(options ${target} COMPILE_OPTIONS)
get_target_property(definitions ${target} COMPILE_DEFINITIONS)
get_target_property(features ${target} COMPILE_FEATURES)
get_target_property(includes ${target} INCLUDE_DIRECTORIES)
get_target_property(libraries ${target} LINK_LIBRARIES)
# analysis only deals with object files, so we can always build an object libraray
# regardless of the original target's type
set(analysis_target ${target}_analysis)
add_library(${analysis_target} OBJECT
${sources}
)
set_target_properties(${analysis_target} PROPERTIES
FOLDER "Static Analysis"
EXCLUDE_FROM_ALL ON
LINKER_LANGUAGE NONE
)
# \todo we need to suppress linking or else the analysis build fails -
# unfortunately clearing the linker language above is not sufficent for this.
# until this is solved, we bypass automatic analysis when building and run it manually...
#add_dependencies(${target} ${analysis_target})
target_compile_options(${analysis_target} PRIVATE
PRIVATE
${options}
--analyze
# \todo do we need to pass -D__clang_analyzer__? Xcode does...
-D__clang_analyzer__
"SHELL:-Xclang -analyzer-config -Xclang mode=$<IF:$<CONFIG:Debug>,shallow,deep>"
"SHELL:-Xclang -analyzer-output=text"
"SHELL:-Xclang -analyzer-checker -Xclang core"
"SHELL:-Xclang -analyzer-checker -Xclang deadcode"
"SHELL:-Xclang -analyzer-checker -Xclang nullability"
"SHELL:-Xclang -analyzer-checker -Xclang optin"
"SHELL:-Xclang -analyzer-checker -Xclang security"
$<$<COMPILE_LANGUAGE:CXX>: "SHELL:-Xclang -analyzer-checker -Xclang cplusplus" >
$<$<PLATFORM_ID:Linux>: "SHELL:-Xclang -analyzer-checker -Xclang unix" >
$<$<PLATFORM_ID:Darwin>: "SHELL:-Xclang -analyzer-checker -Xclang osx" >
)
if(definitions)
target_compile_definitions(${analysis_target} PRIVATE ${definitions})
endif()
if(features)
target_compile_features(${analysis_target} PRIVATE ${features})
endif()
if(includes)
target_include_directories(${analysis_target} PRIVATE ${includes})
endif()
if(libraries)
target_link_libraries(${analysis_target} PRIVATE ${libraries})
endif()
elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
target_compile_options(${target}
PRIVATE
# \todo with default settings in debug, the gcc analyzer eventually just dies because of memory usage.
# we need to test which analysis is causing this and disable it to make this usable
#-fanalyzer
$<$<NOT:$<CONFIG:Debug>>:-fanalyzer>
# \todo there's too many of those right now, need to figure out why...
#-Wanalyzer-too-complex
)
else()
message(WARNING "Static code analysis requires gcc 10 an up.")
endif()
else()
message(WARNING "Code analysis is not implemented for this compiler.")
endif()
endfunction()
# ======================
# set up common settings used for all the ARA examples
function(configure_ARA_Examples_target target)
# language standards
target_compile_features(${target} PRIVATE
cxx_std_11
c_std_11
)
# hide symbols per default
if(XCODE)
set_target_properties(${target} PROPERTIES
XCODE_ATTRIBUTE_GCC_SYMBOLS_PRIVATE_EXTERN YES
XCODE_ATTRIBUTE_GCC_INLINES_ARE_PRIVATE_EXTERN YES
)
else()
set_target_properties(${target} PROPERTIES
C_VISIBILITY_PRESET hidden
CXX_VISIBILITY_PRESET hidden
VISIBILITY_INLINES_HIDDEN ON
)
endif()
# defines
target_compile_definitions(${target} PRIVATE
-DARA_TARGET_NAME=\"${target}\"
-DARA_TARGET_TYPE_$<TARGET_PROPERTY:${target},TYPE>
-DARA_MAJOR_VERSION=${ARA_MAJOR_VERSION}
-DARA_MINOR_VERSION=${ARA_MINOR_VERSION}
-DARA_PATCH_VERSION=${ARA_PATCH_VERSION}
-DARA_BUILD_VERSION=${ARA_BUILD_VERSION}
$<$<NOT:$<CONFIG:Debug>>: -DNDEBUG>
# for these examples, we want to always enable validation, assertions and logging (also for release)
# actual products would not do this, and let the ARA SDK enable these for debug builds only per default
-DARA_VALIDATE_API_CALLS=1
-DARA_ENABLE_INTERNAL_ASSERTS=1
-DARA_ENABLE_DEBUG_OUTPUT=1
)
# platform-specific settings
if(WIN32)
target_compile_definitions(${target} PRIVATE
-DNOMINMAX=1
)
elseif(APPLE)
set(bundle_identifier org.ara-audio.examples.${target})
set_target_properties(${target} PROPERTIES
ARA_PRODUCT_BUNDLE_IDENTIFIER ${bundle_identifier}
)
target_compile_definitions(${target} PRIVATE
-DARA_PRODUCT_BUNDLE_IDENTIFIER="$<TARGET_PROPERTY:${target},ARA_PRODUCT_BUNDLE_IDENTIFIER>"
)
unset(bundle_identifier)
endif()
ara_disable_unwanted_warnings(${target})
ara_enable_target_analyzer(${target})
ara_group_target_files(${target})
# stripping (may not be desired this way for actual products since these typically
# require more complex symbol handling for later crash log symbolication etc.)
if(MSVC)
# no debug symbol stripping needed here since MSVC creates separate .pdb files
# \todo any strip flags needed for dead stripping etc?
elseif(XCODE)
set_target_properties(${target} PROPERTIES
XCODE_ATTRIBUTE_DEAD_CODE_STRIPPING YES
XCODE_ATTRIBUTE_DEPLOYMENT_POSTPROCESSING $<IF:$<CONFIG:Debug>,NO,YES>
XCODE_ATTRIBUTE_COPY_PHASE_STRIP $<IF:$<CONFIG:Debug>,NO,YES>
)
else()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set_target_properties(${target} PROPERTIES
LINK_OPTIONS "-dead_strip"
)
endif()
# \todo for some reason, the Ninja and make generators do not fully expand the generator expression.
if(ARA_IS_MULTI_CONFIG_GENERATOR)
add_custom_command(TARGET ${target} POST_BUILD
COMMAND "${CMAKE_STRIP}" $<$<NOT:$<CONFIG:Debug>>:-x -S> "$<TARGET_FILE:${target}>"
)
else()
if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
add_custom_command(TARGET ${target} POST_BUILD
COMMAND "${CMAKE_STRIP}" -x -S "$<TARGET_FILE:${target}>"
)
endif()
endif()
endif()
# Xcode build&scheme defaults for debugging
if(ARA_SETUP_DEBUGGING)
set_target_properties(${target} PROPERTIES
XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH $<IF:$<CONFIG:Debug>,YES,NO>
# unfortunately due to how CMake and Xcode interact we cannot set these per configuration,
# so we switch the sanitizers off by default for now (\todo would be great to enable them for debug).
XCODE_SCHEME_DISABLE_MAIN_THREAD_CHECKER OFF
XCODE_SCHEME_MAIN_THREAD_CHECKER_STOP ON
XCODE_SCHEME_ADDRESS_SANITIZER OFF
XCODE_SCHEME_ADDRESS_SANITIZER_USE_AFTER_RETURN ON
XCODE_SCHEME_MALLOC_SCRIBBLE ON
XCODE_SCHEME_THREAD_SANITIZER OFF
XCODE_SCHEME_THREAD_SANITIZER_STOP ON
XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER OFF
XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER_STOP ON
)
endif()
endfunction()
# ======================
# set up common settings used for all targets that produce "shipping" binaries
function(ara_configure_binary_package target extension apple_plist_file)
# resources, bundle and signing
set(target_resources "")
if(WIN32)
list(APPEND target_resources
"${CMAKE_CURRENT_SOURCE_DIR}/ExamplesCommon/Windows/ARAExamples.rc"
)
elseif(APPLE)
list(APPEND target_resources
${apple_plist_file}
)
if (NOT ${extension} MATCHES "framework")
list(APPEND target_resources
"${CMAKE_CURRENT_SOURCE_DIR}/ExamplesCommon/macOS/ARAExamples.icns"
)
endif()
if(NOT ${extension} MATCHES "appex")
list(APPEND target_resources
"${CMAKE_CURRENT_SOURCE_DIR}/ExamplesCommon/macOS/ARAExamples.entitlements"
)
endif()
endif()
target_sources(${target} PRIVATE
${target_resources}
)
source_group(TREE "${CMAKE_CURRENT_SOURCE_DIR}" FILES ${target_resources})
if(APPLE)
if(${extension} MATCHES "framework")
set_target_properties(${target} PROPERTIES
FRAMEWORK ON
FRAMEWORK_EXTENSION ${extension}