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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.12)
include(ExternalProject)
find_package(Git REQUIRED)
find_package(Threads REQUIRED)
find_program(iwyu_path OPTIONAL NAMES include-what-you-use iwyu)
find_program(clang_tidy_path OPTIONAL NAMES clang-tidy)
# depot_tools
# -----------------------------------------------------------------------------
ExternalProject_Add(
project_depot_tools
GIT_REPOSITORY https://chromium.googlesource.com/chromium/tools/depot_tools.git
GIT_TAG 2fddb95698211db1373ebe2b16091a54eac51c9c
PREFIX ${CMAKE_BINARY_DIR}/external/depot_tools/prefix
TMP_DIR ${CMAKE_BINARY_DIR}/external/depot_tools/tmp
STAMP_DIR ${CMAKE_BINARY_DIR}/external/depot_tools/stamp
DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/external/depot_tools/download
SOURCE_DIR ${CMAKE_BINARY_DIR}/external/depot_tools/src
BINARY_DIR ${CMAKE_BINARY_DIR}/external/depot_tools/build
CONFIGURE_COMMAND ""
BUILD_COMMAND ""
INSTALL_COMMAND ""
)
ExternalProject_Get_Property(project_depot_tools SOURCE_DIR)
set(depot_tools_install_dir ${SOURCE_DIR})
# libc++
# -----------------------------------------------------------------------------
set(libwebrtc_binary_dir ${CMAKE_BINARY_DIR}/external/libwebrtc/build/${CMAKE_BUILD_TYPE})
set(libwebrtc_src_dir ${CMAKE_BINARY_DIR}/external/libwebrtc/download/src)
add_library(libc++ OBJECT IMPORTED)
add_dependencies(libc++ libwebrtc)
set(libc++_objects
algorithm.o
any.o
bind.o
charconv.o
chrono.o
condition_variable.o
condition_variable_destructor.o
debug.o
exception.o
functional.o
future.o
hash.o
ios.o
iostream.o
locale.o
memory.o
mutex.o
mutex_destructor.o
new.o
optional.o
random.o
regex.o
shared_mutex.o
stdexcept.o
string.o
strstream.o
system_error.o
thread.o
typeinfo.o
utility.o
valarray.o
variant.o
vector.o
)
list(TRANSFORM libc++_objects PREPEND ${libwebrtc_binary_dir}/obj/buildtools/third_party/libc++/libc++/)
set_property(TARGET libc++ APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(libc++ PROPERTIES IMPORTED_OBJECTS_DEBUG "${libc++_objects}" IMPORTED_OBJECTS "${libc++_objects}")
# NOTE(mroberts): I would like this to be INTERFACE.
#
# https://gitlab.kitware.com/cmake/cmake/issues/15052
#
# target_include_directories(libc++ SYSTEM INTERFACE "${libc++_include_dir}")
# libc++abi
# -----------------------------------------------------------------------------
add_library(libc++abi OBJECT IMPORTED)
add_dependencies(libc++abi libwebrtc)
set(libc++abi_objects
abort_message.o
cxa_aux_runtime.o
cxa_default_handlers.o
cxa_demangle.o
cxa_exception.o
cxa_exception_storage.o
cxa_guard.o
cxa_handlers.o
cxa_personality.o
cxa_unexpected.o
cxa_vector.o
cxa_virtual.o
fallback_malloc.o
private_typeinfo.o
stdlib_exception.o
stdlib_stdexcept.o
stdlib_typeinfo.o
)
list(TRANSFORM libc++abi_objects PREPEND ${libwebrtc_binary_dir}/obj/buildtools/third_party/libc++abi/libc++abi/)
set_property(TARGET libc++abi APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(libc++abi PROPERTIES IMPORTED_OBJECTS_DEBUG "${libc++abi_objects}" IMPORTED_OBJECTS "${libc++abi_objects}")
# NOTE(mroberts): I would like this to be INTERFACE.
#
# https://gitlab.kitware.com/cmake/cmake/issues/15052
#
# target_include_directories(libc++abi SYSTEM INTERFACE "${libc++abi_include_dir}")
# libwebrtc
# -----------------------------------------------------------------------------
set(WEBRTC_REVISION branch-heads/4280)
list(APPEND GN_GEN_ARGS
rtc_build_examples=false
rtc_use_x11=false
rtc_enable_protobuf=false
rtc_use_gtk=false
rtc_include_pulse_audio=false
rtc_include_tests=false
rtc_use_h264=true
)
if ("$ENV{TARGET_ARCH}" STREQUAL "arm")
list(APPEND GN_GEN_ARGS
target_os="linux"
target_cpu="arm"
rtc_build_tools=true
treat_warnings_as_errors=false
fatal_linker_warnings=false
)
elseif ("$ENV{TARGET_ARCH}" STREQUAL "arm64")
list(APPEND GN_GEN_ARGS
target_os="linux"
target_cpu="arm64"
rtc_build_tools=true
treat_warnings_as_errors=false
fatal_linker_warnings=false
)
else()
list(APPEND GN_GEN_ARGS
rtc_build_tools=false
)
endif()
if (WIN32)
list(APPEND GN_GEN_ARGS is_clang=false)
endif()
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
list(APPEND GN_GEN_ARGS is_debug=true)
else()
list(APPEND GN_GEN_ARGS is_debug=false)
endif()
string(REPLACE ";" " " GN_GEN_ARGS "${GN_GEN_ARGS}")
if(WIN32)
set(suffix bat)
set(PLATFORM windows)
else()
set(suffix sh)
if(APPLE)
set(PLATFORM darwin)
else()
set(PLATFORM linux)
endif()
endif()
if (WIN32)
set(byproducts
${libwebrtc_binary_dir}/obj/webrtc.lib
${libwebrtc_binary_dir}/obj/pc/peerconnection.lib
)
else()
set(byproducts
${libc++_objects}
${libc++abi_objects}
${libwebrtc_binary_dir}/obj/libwebrtc.a
${libwebrtc_binary_dir}/obj/pc/libpeerconnection.a
)
endif()
ExternalProject_Add(
project_libwebrtc
PREFIX ${CMAKE_BINARY_DIR}/external/libwebrtc/prefix
TMP_DIR ${CMAKE_BINARY_DIR}/external/libwebrtc/tmp
STAMP_DIR ${CMAKE_BINARY_DIR}/external/libwebrtc/stamp
DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/external/libwebrtc/download
SOURCE_DIR ${CMAKE_BINARY_DIR}/external/libwebrtc/download/src
BINARY_DIR ${CMAKE_BINARY_DIR}/external/libwebrtc/build/${CMAKE_BUILD_TYPE}
BUILD_BYPRODUCTS ${byproducts}
DOWNLOAD_COMMAND ${CMAKE_COMMAND} -E env DEPOT_TOOLS=${depot_tools_install_dir} PLATFORM=${PLATFORM} WEBRTC_REVISION=${WEBRTC_REVISION} ${CMAKE_SOURCE_DIR}/scripts/download-webrtc.${suffix}
CONFIGURE_COMMAND ${CMAKE_COMMAND} -E env BINARY_DIR=<BINARY_DIR> DEPOT_TOOLS=${depot_tools_install_dir} GN_GEN_ARGS=${GN_GEN_ARGS} SOURCE_DIR=<SOURCE_DIR> ${CMAKE_SOURCE_DIR}/scripts/configure-webrtc.${suffix}
BUILD_COMMAND ${CMAKE_COMMAND} -E env CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} DEPOT_TOOLS=${depot_tools_install_dir} ${CMAKE_SOURCE_DIR}/scripts/build-webrtc.${suffix}
INSTALL_COMMAND ""
)
add_dependencies(project_libwebrtc project_depot_tools)
ExternalProject_Get_Property(project_libwebrtc DOWNLOAD_DIR)
set(libwebrtc_source_dir "${DOWNLOAD_DIR}")
ExternalProject_Get_Property(project_libwebrtc BINARY_DIR)
set(libwebrtc_binary_dir "${BINARY_DIR}")
add_library(libwebrtc STATIC IMPORTED)
add_dependencies(libwebrtc project_libwebrtc)
if(WIN32)
set_property(TARGET libwebrtc PROPERTY IMPORTED_LOCATION "${libwebrtc_binary_dir}/obj/webrtc.lib")
else()
set_property(TARGET libwebrtc PROPERTY IMPORTED_LOCATION "${libwebrtc_binary_dir}/obj/libwebrtc.a")
endif()
add_library(libpeerconnection STATIC IMPORTED)
add_dependencies(libpeerconnection project_libwebrtc)
if(WIN32)
set_property(TARGET libpeerconnection PROPERTY IMPORTED_LOCATION "${libwebrtc_binary_dir}/obj/pc/peerconnection.lib")
else()
set_property(TARGET libpeerconnection PROPERTY IMPORTED_LOCATION "${libwebrtc_binary_dir}/obj/pc/libpeerconnection.a")
endif()
set(libc++_include_dir "${libwebrtc_source_dir}/src/buildtools/third_party/libc++/trunk/include")
set(libc++abi_include_dir "${libwebrtc_source_dir}/src/buildtools/third_party/libc++abi/trunk/include")
# NOTE(mroberts): I would like this to be INTERFACE.
#
# https://gitlab.kitware.com/cmake/cmake/issues/15052
#
# target_include_directories(libwebrtc SYSTEM INTERFACE
# ${libwebrtc_source_dir}
# ${libwebrtc_source_dir}/webrtc
# ${libwebrtc_source_dir}/webrtc/third_party/abseil-cpp
# ${libwebrtc_source_dir}/webrtc/third_party/libyuv/include
# )
# catch2
# -----------------------------------------------------------------------------
ExternalProject_Add(
project_catch2
GIT_REPOSITORY https://github.com/catchorg/Catch2.git
GIT_TAG a1cdff4f188170c5b0aa3d5d217b60d821f237df
PREFIX ${CMAKE_BINARY_DIR}/external/catch2/prefix
TMP_DIR ${CMAKE_BINARY_DIR}/external/catch2/tmp
STAMP_DIR ${CMAKE_BINARY_DIR}/external/catch2/stamp
DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/external/catch2/download
SOURCE_DIR ${CMAKE_BINARY_DIR}/external/catch2/src
BINARY_DIR ${CMAKE_BINARY_DIR}/external/catch2/build
CONFIGURE_COMMAND ""
BUILD_COMMAND ""
INSTALL_COMMAND ""
)
ExternalProject_Get_Property(project_catch2 SOURCE_DIR)
set(catch2_install_dir ${SOURCE_DIR})
# node-webrtc
# -----------------------------------------------------------------------------
set(MODULE wrtc)
include(${CMAKE_SOURCE_DIR}/NodeJS.cmake)
if(DEFINED ENV{npm_config_runtime})
if($ENV{npm_config_runtime} STREQUAL "electron")
if(NOT DEFINED ENV{npm_config_target})
message(FATAL_ERROR "npm_config_target must be defined for electron build")
endif()
list(APPEND nodejs_init_args "VERSION" v$ENV{npm_config_target})
if(NOT DEFINED ENV{npm_config_disturl})
message(FATAL_ERROR "npm_config_disturl must be defined for electron build")
endif()
list(APPEND nodejs_init_args "URL" $ENV{npm_config_disturl})
if($ENV{npm_config_target} STRLESS "4")
list(APPEND nodejs_init_args "NAME" "iojs")
endif()
endif()
endif()
nodejs_init(${nodejs_init_args})
file(GLOB_RECURSE MODULE_SRC src/*.cc src/*.h)
add_nodejs_module(${MODULE} ${MODULE_SRC})
set_property(TARGET ${MODULE} PROPERTY CXX_STANDARD 14)
if(NOT iwyu_path STREQUAL "iwyu_path-NOTFOUND")
set_property(TARGET ${MODULE} PROPERTY CXX_INCLUDE_WHAT_YOU_USE ${iwyu_path} -Xiwyu --mapping_file=${CMAKE_SOURCE_DIR}/.iwyu.imp)
endif()
if(NOT clang_tidy_path STREQUAL "clang_tidy_path-NOTFOUND")
set_property(TARGET ${MODULE} PROPERTY CXX_CLANG_TIDY ${clang_tidy_path})
endif()
set(node_addon_api_dir ${CMAKE_SOURCE_DIR}/node_modules/node-addon-api)
# NOTE(mroberts): Workaround for
#
# https://gitlab.kitware.com/cmake/cmake/issues/15052
#
# is to include all the header files here.
target_include_directories(${MODULE} SYSTEM PRIVATE
${node_addon_api_dir}/..
${libwebrtc_source_dir}
${libwebrtc_source_dir}/webrtc
${libwebrtc_source_dir}/webrtc/third_party/abseil-cpp
${libwebrtc_source_dir}/webrtc/third_party/libyuv/include
)
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
add_dependencies(${MODULE} project_catch2)
target_include_directories(${MODULE} SYSTEM PRIVATE
${catch2_install_dir}/single_include
)
endif()
target_include_directories(${MODULE} PRIVATE
${CMAKE_SOURCE_DIR}
)
target_link_libraries(${MODULE} PRIVATE
${CMAKE_THREAD_LIBS_INIT}
libpeerconnection
libwebrtc
)
target_compile_definitions(${MODULE} PRIVATE
-DNAPI_VERSION=3
-DUSE_BUILTIN_SW_CODECS
)
if(WIN32)
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT /GR-")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd /GR- -D_HAS_ITERATOR_DEBUGGING=0")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /FORCE:UNRESOLVED")
target_link_libraries(${MODULE} PRIVATE
dmoguids.lib
msdmo.lib
secur32.lib
winmm.lib
wmcodecdspuuid.lib
ws2_32.lib
)
target_compile_definitions(${MODULE} PRIVATE
-D_WINSOCKAPI_
-DINCL_EXTRA_HTON_FUNCTIONS
-DNOGDI
-DNOMINMAX
-DWEBRTC_WIN
)
else()
# NOTE(mroberts): Workaround for
#
# https://gitlab.kitware.com/cmake/cmake/issues/15052
#
# is to include all the header files here.
target_include_directories(${MODULE} SYSTEM PRIVATE
${libc++_include_dir}
${libc++abi_include_dir}
)
# NOTE(mroberts): On Linux and macOS, we statically link the same libc++ and
# libc++abi libraries that libwebrtc builds against.
target_link_libraries(${MODULE} PRIVATE
-lc
-lm
libc++
libc++abi
)
target_compile_options(${MODULE} PRIVATE
-fno-rtti
-fvisibility=hidden
-nostdinc++
-nodefaultlibs
-Wall
-Wextra
-Wno-missing-field-initializers
-Wno-uninitialized
-Wno-unused-local-typedefs
-Wno-unused-variable
-Wpedantic
)
target_compile_definitions(${MODULE} PRIVATE
-D_LIBCPP_ABI_UNSTABLE
-DWEBRTC_POSIX=1
)
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
target_compile_options(${MODULE} PRIVATE
-g
)
target_compile_definitions(${MODULE} PRIVATE
-DDEBUG
)
endif()
if(APPLE)
target_link_libraries(${MODULE} PRIVATE
"-framework AppKit"
"-framework AVFoundation"
)
target_compile_options(${MODULE} PRIVATE
-Weverything
-Wno-c++98-compat
-Wno-c++98-compat-pedantic
-Wno-documentation
-Wno-exit-time-destructors
-Wno-float-conversion
-Wno-global-constructors
-Wno-padded
-Wno-shadow
-Wno-shadow-field-in-constructor
-Wno-shorten-64-to-32
-Wno-sign-conversion
-Wno-thread-safety-negative
-Wno-unused-template
-Wno-weak-vtables
)
target_compile_definitions(${MODULE} PRIVATE
-D_LIBCPP_ABI_UNSTABLE
-DWEBRTC_MAC
-DWEBRTC_IOS
)
else()
target_compile_definitions(${MODULE} PRIVATE
-DWEBRTC_LINUX
)
target_compile_options(${MODULE} PRIVATE
-fpermissive
)
if ("$ENV{TARGET_ARCH}" STREQUAL "arm" OR "$ENV{TARGET_ARCH}" STREQUAL "arm64")
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR "$ENV{TARGET_ARCH}")
set(tools $ENV{ARM_TOOLS_PATH})
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
if ("$ENV{TARGET_ARCH}" STREQUAL "arm")
set(CMAKE_SYSROOT ${libwebrtc_source_dir}/src/build/linux/debian_sid_arm-sysroot)
target_compile_options(${MODULE} PRIVATE
-march=armv7-a
-mfloat-abi=hard
-mtune=generic-armv7-a
-mfpu=neon
)
set(CMAKE_C_COMPILER ${tools}/bin/arm-linux-gnueabihf-gcc)
set(CMAKE_CXX_COMPILER ${tools}/bin/arm-linux-gnueabihf-g++)
else()
set(CMAKE_SYSROOT ${libwebrtc_source_dir}/src/build/linux/debian_sid_arm64-sysroot)
set(CMAKE_C_COMPILER ${tools}/bin/aarch64-linux-gnu-gcc)
set(CMAKE_CXX_COMPILER ${tools}/bin/aarch64-linux-gnu-g++)
endif()
else()
target_compile_options(${MODULE} PRIVATE
-B${libwebrtc_source_dir}/src/third_party/binutils/Linux_x64/Release/bin
--sysroot=${libwebrtc_source_dir}/src/build/linux/debian_sid_amd64-sysroot
)
endif()
endif()
endif()
# astyle
# -----------------------------------------------------------------------------
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
list(APPEND ASTYLE_CMAKE_ARGS "-DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}")
ExternalProject_Add(
astyle
GIT_REPOSITORY https://github.com/Bareflank/astyle.git
GIT_TAG v1.2
GIT_SHALLOW true
CMAKE_ARGS ${ASTYLE_CMAKE_ARGS}
PREFIX ${CMAKE_BINARY_DIR}/external/astyle/prefix
TMP_DIR ${CMAKE_BINARY_DIR}/external/astyle/tmp
STAMP_DIR ${CMAKE_BINARY_DIR}/external/astyle/stamp
DOWNLOAD_DIR ${CMAKE_BINARY_DIR}/external/astyle/download
SOURCE_DIR ${CMAKE_BINARY_DIR}/external/astyle/src
BINARY_DIR ${CMAKE_BINARY_DIR}/external/astyle/build
)
list(APPEND ASTYLE_ARGS
--style=google
--lineend=linux
--suffix=none
--pad-oper
--unpad-paren
--align-pointer=type
--align-reference=type
--indent-preproc-define
--indent-switches
--indent-col1-comments
--keep-one-line-statements
--keep-one-line-blocks
--pad-header
--convert-tabs
--min-conditional-indent=0
--indent=spaces=2
--indent-continuation=2
--indent-after-parens
--close-templates
--add-brackets
--break-after-logical
${MODULE_SRC}
)
if(NOT WIN32 STREQUAL "1")
add_custom_target(
format
COMMAND ${CMAKE_BINARY_DIR}/bin/astyle ${ASTYLE_ARGS}
COMMENT "running astyle"
)
else()
add_custom_target(
format
COMMAND ${CMAKE_BINARY_DIR}/bin/astyle.exe ${ASTYLE_ARGS}
COMMENT "running astyle"
)
endif()
endif()