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Distribution_Service/CC_SDK/Environment/libdatachannel/CMakeLists.txt

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V0.1
2025-11-11 17:46:19 +08:00
cmake_minimum_required(VERSION 3.10)
project(libdatachannel
VERSION 0.20.1
LANGUAGES CXX)
set(PROJECT_DESCRIPTION "C/C++ WebRTC network library featuring Data Channels, Media Transport, and WebSockets")
include(GNUInstallDirs)
# Options
option(USE_GNUTLS "Use GnuTLS instead of OpenSSL" OFF)
option(USE_MBEDTLS "Use Mbed TLS instead of OpenSSL" OFF)
option(USE_NICE "Use libnice instead of libjuice" OFF)
option(PREFER_SYSTEM_LIB "Prefer system libraries over deps folder" OFF)
option(USE_SYSTEM_SRTP "Use system libSRTP" ${PREFER_SYSTEM_LIB})
option(USE_SYSTEM_JUICE "Use system libjuice" ${PREFER_SYSTEM_LIB})
option(USE_SYSTEM_USRSCTP "Use system libusrsctp" ${PREFER_SYSTEM_LIB})
option(USE_SYSTEM_PLOG "Use system Plog" ${PREFER_SYSTEM_LIB})
option(USE_SYSTEM_JSON "Use system Nlohmann JSON" ${PREFER_SYSTEM_LIB})
option(NO_WEBSOCKET "Disable WebSocket support" OFF)
option(NO_MEDIA "Disable media transport support" OFF)
option(NO_EXAMPLES "Disable examples" OFF)
option(NO_TESTS "Disable tests build" OFF)
option(WARNINGS_AS_ERRORS "Treat warnings as errors" OFF)
option(CAPI_STDCALL "Set calling convention of C API callbacks stdcall" OFF)
option(SCTP_DEBUG "Enable SCTP debugging output to verbose log" OFF)
if (USE_GNUTLS AND USE_MBEDTLS)
message(FATAL_ERROR "Both USE_MBEDTLS and USE_GNUTLS cannot be enabled at the same time")
endif()
if(USE_GNUTLS)
option(USE_NETTLE "Use Nettle in libjuice" ON)
else()
option(USE_NETTLE "Use Nettle in libjuice" OFF)
if(NOT USE_SYSTEM_SRTP)
if (USE_MBEDTLS)
option(ENABLE_MBEDTLS "Enable Mbed TLS crypto engine for libSRTP" ON)
else()
option(ENABLE_OPENSSL "Enable OpenSSL crypto engine for libSRTP" ON)
endif()
endif()
endif()
if(NOT WARNINGS_AS_ERRORS AND NOT USE_SYSTEM_SRTP)
option(BUILD_WITH_WARNINGS "Add warning as error flags for libSRTP" OFF)
endif()
list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/Modules)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(BUILD_SHARED_LIBS OFF) # to force usrsctp to be built static
if(WIN32)
add_definitions(-DWIN32_LEAN_AND_MEAN)
if(MSVC)
add_definitions(-DNOMINMAX)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
endif()
endif()
set(LIBDATACHANNEL_SOURCES
${CMAKE_CURRENT_SOURCE_DIR}/src/candidate.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/channel.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/configuration.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/datachannel.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/description.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/mediahandler.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/global.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/message.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/peerconnection.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/rtcpreceivingsession.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/track.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/websocket.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/websocketserver.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/rtppacketizationconfig.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/rtcpsrreporter.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/rtppacketizer.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/h264rtppacketizer.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/nalunit.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/h265rtppacketizer.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/h265nalunit.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/av1rtppacketizer.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/nalunit.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/rtcpnackresponder.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/rtp.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/capi.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/plihandler.cpp
)
set(LIBDATACHANNEL_HEADERS
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/candidate.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/channel.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/configuration.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/datachannel.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/description.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/mediahandler.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/rtcpreceivingsession.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/common.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/global.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/message.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/peerconnection.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/reliability.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/rtc.h
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/rtc.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/rtp.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/track.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/websocket.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/websocketserver.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/rtppacketizationconfig.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/rtcpsrreporter.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/rtppacketizer.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/h264rtppacketizer.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/nalunit.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/h265rtppacketizer.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/h265nalunit.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/av1rtppacketizer.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/nalunit.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/rtcpnackresponder.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/utils.hpp
${CMAKE_CURRENT_SOURCE_DIR}/include/rtc/plihandler.hpp
)
set(LIBDATACHANNEL_IMPL_SOURCES
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/certificate.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/channel.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/datachannel.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/dtlssrtptransport.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/dtlstransport.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/icetransport.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/init.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/peerconnection.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/logcounter.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/sctptransport.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/threadpool.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/tls.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/track.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/utils.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/processor.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/sha.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/pollinterrupter.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/pollservice.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/http.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/httpproxytransport.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/tcpserver.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/tcptransport.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/tlstransport.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/transport.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/verifiedtlstransport.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/websocket.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/websocketserver.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/wstransport.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/wshandshake.cpp
)
set(LIBDATACHANNEL_IMPL_HEADERS
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/certificate.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/channel.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/datachannel.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/dtlssrtptransport.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/dtlstransport.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/icetransport.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/init.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/internals.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/peerconnection.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/queue.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/logcounter.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/sctptransport.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/threadpool.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/tls.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/track.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/utils.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/processor.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/sha.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/pollinterrupter.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/pollservice.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/http.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/httpproxytransport.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/tcpserver.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/tcptransport.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/tlstransport.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/transport.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/verifiedtlstransport.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/websocket.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/websocketserver.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/wstransport.hpp
${CMAKE_CURRENT_SOURCE_DIR}/src/impl/wshandshake.hpp
)
set(TESTS_SOURCES
${CMAKE_CURRENT_SOURCE_DIR}/test/main.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/connectivity.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/negotiated.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/reliability.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/turn_connectivity.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/track.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/capi_connectivity.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/capi_track.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/websocket.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/websocketserver.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/capi_websocketserver.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test/benchmark.cpp
)
set(TESTS_UWP_RESOURCES
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/tests/Logo.png
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/tests/package.appxManifest
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/tests/SmallLogo.png
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/tests/SmallLogo44x44.png
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/tests/SplashScreen.png
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/tests/StoreLogo.png
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/tests/Windows_TemporaryKey.pfx
)
set(BENCHMARK_UWP_RESOURCES
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/benchmark/Logo.png
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/benchmark/package.appxManifest
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/benchmark/SmallLogo.png
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/benchmark/SmallLogo44x44.png
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/benchmark/SplashScreen.png
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/benchmark/StoreLogo.png
${CMAKE_CURRENT_SOURCE_DIR}/test/uwp/benchmark/Windows_TemporaryKey.pfx
)
set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
find_package(Threads REQUIRED)
if(USE_SYSTEM_PLOG)
find_package(plog REQUIRED)
else()
set(CMAKE_POLICY_DEFAULT_CMP0048 NEW)
add_subdirectory(deps/plog EXCLUDE_FROM_ALL)
endif()
if(SCTP_DEBUG)
add_definitions(-DSCTP_DEBUG)
endif()
if(USE_SYSTEM_USRSCTP)
find_package(Usrsctp REQUIRED)
else()
option(sctp_build_shared_lib OFF)
option(sctp_build_programs OFF)
option(sctp_inet OFF)
option(sctp_inet6 OFF)
option(sctp_werror OFF)
set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
add_subdirectory(deps/usrsctp EXCLUDE_FROM_ALL)
if (MSYS OR MINGW)
target_compile_definitions(usrsctp PUBLIC -DSCTP_STDINT_INCLUDE=<stdint.h>)
endif()
add_library(Usrsctp::Usrsctp ALIAS usrsctp)
endif()
add_library(datachannel SHARED
${LIBDATACHANNEL_SOURCES}
${LIBDATACHANNEL_HEADERS}
${LIBDATACHANNEL_IMPL_SOURCES}
${LIBDATACHANNEL_IMPL_HEADERS})
set_target_properties(datachannel PROPERTIES
VERSION ${PROJECT_VERSION}
SOVERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
CXX_STANDARD 17
CXX_VISIBILITY_PRESET default)
if(APPLE)
set_target_properties(datachannel PROPERTIES
VERSION ${PROJECT_VERSION_MAJOR}
SOVERSION ${PROJECT_VERSION_MAJOR})
endif()
target_compile_definitions(datachannel PRIVATE RTC_EXPORTS)
add_library(datachannel-static STATIC EXCLUDE_FROM_ALL
${LIBDATACHANNEL_SOURCES}
${LIBDATACHANNEL_HEADERS}
${LIBDATACHANNEL_IMPL_SOURCES}
${LIBDATACHANNEL_IMPL_HEADERS})
set_target_properties(datachannel-static PROPERTIES
VERSION ${PROJECT_VERSION}
CXX_STANDARD 17)
target_compile_definitions(datachannel-static PRIVATE RTC_EXPORTS)
target_compile_definitions(datachannel-static PUBLIC RTC_STATIC)
target_include_directories(datachannel PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
target_include_directories(datachannel PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include/rtc)
target_include_directories(datachannel PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src)
target_link_libraries(datachannel PRIVATE Threads::Threads)
target_link_libraries(datachannel PRIVATE Usrsctp::Usrsctp plog::plog)
target_include_directories(datachannel-static PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
target_include_directories(datachannel-static PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include/rtc)
target_include_directories(datachannel-static PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src)
target_link_libraries(datachannel-static PRIVATE Threads::Threads)
target_link_libraries(datachannel-static PRIVATE Usrsctp::Usrsctp plog::plog)
if(WIN32)
target_link_libraries(datachannel PUBLIC ws2_32) # winsock2
target_link_libraries(datachannel-static PUBLIC ws2_32) # winsock2
endif()
if (NO_WEBSOCKET)
target_compile_definitions(datachannel PUBLIC RTC_ENABLE_WEBSOCKET=0)
target_compile_definitions(datachannel-static PUBLIC RTC_ENABLE_WEBSOCKET=0)
else()
target_compile_definitions(datachannel PUBLIC RTC_ENABLE_WEBSOCKET=1)
target_compile_definitions(datachannel-static PUBLIC RTC_ENABLE_WEBSOCKET=1)
endif()
if(NO_MEDIA)
target_compile_definitions(datachannel PUBLIC RTC_ENABLE_MEDIA=0)
target_compile_definitions(datachannel-static PUBLIC RTC_ENABLE_MEDIA=0)
else()
target_compile_definitions(datachannel PUBLIC RTC_ENABLE_MEDIA=1)
target_compile_definitions(datachannel-static PUBLIC RTC_ENABLE_MEDIA=1)
if(USE_SYSTEM_SRTP)
find_package(libSRTP REQUIRED)
if(NOT TARGET libSRTP::srtp2)
add_library(libSRTP::srtp2 UNKNOWN IMPORTED)
set_target_properties(libSRTP::srtp2 PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${SRTP_INCLUDE_DIRS}
IMPORTED_LINK_INTERFACE_LANGUAGES C
IMPORTED_LOCATION ${SRTP_LIBRARIES})
endif()
target_compile_definitions(datachannel PRIVATE RTC_SYSTEM_SRTP=1)
target_compile_definitions(datachannel-static PRIVATE RTC_SYSTEM_SRTP=1)
target_link_libraries(datachannel PRIVATE libSRTP::srtp2)
target_link_libraries(datachannel-static PRIVATE libSRTP::srtp2)
else()
add_subdirectory(deps/libsrtp EXCLUDE_FROM_ALL)
target_compile_definitions(datachannel PRIVATE RTC_SYSTEM_SRTP=0)
target_compile_definitions(datachannel-static PRIVATE RTC_SYSTEM_SRTP=0)
target_link_libraries(datachannel PRIVATE srtp2)
target_link_libraries(datachannel-static PRIVATE srtp2)
endif()
endif()
if (USE_GNUTLS)
find_package(GnuTLS REQUIRED)
if(NOT TARGET GnuTLS::GnuTLS)
add_library(GnuTLS::GnuTLS UNKNOWN IMPORTED)
set_target_properties(GnuTLS::GnuTLS PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${GNUTLS_INCLUDE_DIRS}"
INTERFACE_COMPILE_DEFINITIONS "${GNUTLS_DEFINITIONS}"
IMPORTED_LINK_INTERFACE_LANGUAGES C
IMPORTED_LOCATION "${GNUTLS_LIBRARIES}")
endif()
target_compile_definitions(datachannel PRIVATE USE_GNUTLS=1)
target_compile_definitions(datachannel-static PRIVATE USE_GNUTLS=1)
target_link_libraries(datachannel PRIVATE GnuTLS::GnuTLS)
target_link_libraries(datachannel-static PRIVATE GnuTLS::GnuTLS)
if (NOT NO_WEBSOCKET)
# Needed for SHA1, it should be present as GnuTLS cryptography backend
find_package(Nettle REQUIRED)
target_link_libraries(datachannel PRIVATE Nettle::Nettle)
target_link_libraries(datachannel-static PRIVATE Nettle::Nettle)
endif()
elseif(USE_MBEDTLS)
find_package(MbedTLS 3 REQUIRED)
target_compile_definitions(datachannel PRIVATE USE_MBEDTLS=1)
target_compile_definitions(datachannel-static PRIVATE USE_MBEDTLS=1)
target_link_libraries(datachannel PRIVATE MbedTLS::MbedTLS)
target_link_libraries(datachannel-static PRIVATE MbedTLS::MbedTLS)
else()
if(APPLE)
# This is a bug in CMake that causes it to prefer the system version over
# the one in the specified ROOT folder
if(EXISTS ${OPENSSL_ROOT_DIR})
# Use static files when OPENSSL_USE_STATIC_LIBS is set.
# OPENSSL_USE_STATIC_LIBS is what CMake's FindOpenSSL looks at
# to decide whether to use static libraries.
if(OPENSSL_USE_STATIC_LIBS)
set(OPENSSL_CRYPTO_LIBRARY "${OPENSSL_ROOT_DIR}/lib/libcrypto.a" CACHE FILEPATH "" FORCE)
set(OPENSSL_SSL_LIBRARY "${OPENSSL_ROOT_DIR}/lib/libssl.a" CACHE FILEPATH "" FORCE)
else()
set(OPENSSL_CRYPTO_LIBRARY "${OPENSSL_ROOT_DIR}/lib/libcrypto.dylib" CACHE FILEPATH "" FORCE)
set(OPENSSL_SSL_LIBRARY "${OPENSSL_ROOT_DIR}/lib/libssl.dylib" CACHE FILEPATH "" FORCE)
endif()
endif()
endif()
#
# find_package(OpenSSL REQUIRED)
target_compile_definitions(datachannel PRIVATE USE_GNUTLS=0)
target_compile_definitions(datachannel-static PRIVATE USE_GNUTLS=0)
target_link_libraries(datachannel PRIVATE
ssl
crypto
)
target_link_libraries(datachannel-static PRIVATE
ssl
crypto
)
endif()
if (USE_NICE)
find_package(LibNice REQUIRED)
target_compile_definitions(datachannel PRIVATE USE_NICE=1)
target_compile_definitions(datachannel-static PRIVATE USE_NICE=1)
target_link_libraries(datachannel PRIVATE LibNice::LibNice)
target_link_libraries(datachannel-static PRIVATE LibNice::LibNice)
else()
target_compile_definitions(datachannel PRIVATE USE_NICE=0)
target_compile_definitions(datachannel-static PRIVATE USE_NICE=0)
if(USE_SYSTEM_JUICE)
find_package(LibJuice REQUIRED)
target_compile_definitions(datachannel PRIVATE RTC_SYSTEM_JUICE=1)
target_compile_definitions(datachannel-static PRIVATE RTC_SYSTEM_JUICE=1)
target_link_libraries(datachannel PRIVATE LibJuice::LibJuice)
target_link_libraries(datachannel-static PRIVATE LibJuice::LibJuice)
else()
add_subdirectory(deps/libjuice EXCLUDE_FROM_ALL)
target_compile_definitions(datachannel PRIVATE RTC_SYSTEM_JUICE=0)
target_compile_definitions(datachannel-static PRIVATE RTC_SYSTEM_JUICE=0)
target_link_libraries(datachannel PRIVATE LibJuice::LibJuiceStatic)
target_link_libraries(datachannel-static PRIVATE LibJuice::LibJuiceStatic)
endif()
endif()
if(CAPI_STDCALL)
target_compile_definitions(datachannel PUBLIC CAPI_STDCALL)
target_compile_definitions(datachannel-static PUBLIC CAPI_STDCALL)
endif()
set_target_properties(datachannel PROPERTIES EXPORT_NAME LibDataChannel)
add_library(LibDataChannel::LibDataChannel ALIAS datachannel)
set_target_properties(datachannel-static PROPERTIES EXPORT_NAME LibDataChannelStatic)
add_library(LibDataChannel::LibDataChannelStatic ALIAS datachannel-static)
if(NOT MSVC)
target_compile_options(datachannel PRIVATE -Wall -Wextra)
target_compile_options(datachannel-static PRIVATE -Wall -Wextra)
endif()
if(WARNINGS_AS_ERRORS)
if(MSVC)
target_compile_options(datachannel PRIVATE /WX)
target_compile_options(datachannel-static PRIVATE /WX)
else()
target_compile_options(datachannel PRIVATE -Werror)
target_compile_options(datachannel-static PRIVATE -Werror)
endif()
endif()
install(TARGETS datachannel EXPORT LibDataChannelTargets
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
#
install(FILES ${LIBDATACHANNEL_HEADERS}
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/rtc
)
#
## Export targets
#install(
# EXPORT LibDataChannelTargets
# FILE LibDataChannelTargets.cmake
# NAMESPACE LibDataChannel::
# DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/LibDataChannel
#)
#
## Export config
install(
FILES ${CMAKE_CURRENT_SOURCE_DIR}/cmake/LibDataChannelConfig.cmake
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/LibDataChannel
)
# Export config version
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
${CMAKE_BINARY_DIR}/LibDataChannelConfigVersion.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY SameMajorVersion)
install(FILES ${CMAKE_BINARY_DIR}/LibDataChannelConfigVersion.cmake
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/LibDataChannel)
if (CMAKE_HOST_WIN32)
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
add_custom_command(TARGET datachannel POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different
$<TARGET_FILE:datachannel>
${CMAKE_BINARY_DIR}/bin
COMMENT "Copying datachannel library to bin directory"
)
else ()
set(BIN_DIR "${CMAKE_BINARY_DIR}/bin")
file(TO_NATIVE_PATH "${BIN_DIR}" NATIVE_BIN_DIR)
add_custom_command(TARGET datachannel POST_BUILD
COMMAND ${CMAKE_COMMAND} -E make_directory "${NATIVE_BIN_DIR}"
COMMAND ${CMAKE_COMMAND} -E copy_if_different
"$<TARGET_FILE:datachannel>"
"${NATIVE_BIN_DIR}"
COMMENT "Copying library..."
VERBATIM
)
endif ()
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