cmake_minimum_required(VERSION 2.8.6) project(toxcore) include(CTest) # This version is for the entire project. All libraries (core, av, ...) move in # versions in a synchronised way. set(PROJECT_VERSION_MAJOR "0") set(PROJECT_VERSION_MINOR "0") set(PROJECT_VERSION_PATCH "1") set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}") set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake) ################################################################################ # # :: Dependencies and configuration # ################################################################################ include(ApiDsl) include(CheckCCompilerFlag) include(MacRpath) include(ModulePackage) set(CMAKE_MACOSX_RPATH ON) option(DEBUG "Enable assertions and other debugging facilities" OFF) if(DEBUG) set(MIN_LOGGER_LEVEL DEBUG) add_definitions(-DTOX_DEBUG=1) check_c_compiler_flag("-g3" HAVE_G3) if(HAVE_G3) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3") endif() endif() option(TRACE "Enable TRACE level logging (expensive, for network debugging)" OFF) if(TRACE) set(MIN_LOGGER_LEVEL TRACE) endif() if(MIN_LOGGER_LEVEL) add_definitions(-DMIN_LOGGER_LEVEL=LOG_${MIN_LOGGER_LEVEL}) endif() option(ASSOC_DHT "Enable module to store currently unused ID <=> IP associations" OFF) if(ASSOC_DHT) add_definitions(-DENABLE_ASSOC_DHT=1) endif() option(ASAN "Enable address-sanitizer to detect invalid memory accesses" OFF) if(ASAN) set(SAFE_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}") set(CMAKE_REQUIRED_LIBRARIES "-fsanitize=address") check_c_compiler_flag("-fsanitize=address" HAVE_ASAN) if(HAVE_ASAN) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address") endif() set(CMAKE_REQUIRED_LIBRARIES "${SAFE_CMAKE_REQUIRED_LIBRARIES}") endif() find_package(Threads REQUIRED) find_library(NCURSES_LIBRARIES ncurses ) find_library(UTIL_LIBRARIES util ) find_library(RT_LIBRARIES rt ) # For toxcore. pkg_use_module(LIBSODIUM REQUIRED libsodium ) # For toxav. pkg_use_module(OPUS opus ) pkg_use_module(VPX vpx ) # For tox-bootstrapd. pkg_use_module(LIBCONFIG libconfig ) # For auto tests. pkg_use_module(CHECK check ) # For av_test. pkg_use_module(OPENCV opencv ) pkg_use_module(PORTAUDIO portaudio-2.0 ) pkg_use_module(SNDFILE sndfile ) if(OPUS_FOUND AND VPX_FOUND) set(BUILD_TOXAV TRUE) else() set(BUILD_TOXAV FALSE) endif() ################################################################################ # # :: Tox Core Library # ################################################################################ # toxcore_PKGCONFIG_LIBS is what's added to the Libs: line in toxcore.pc. It # needs to contain all the libraries a program using toxcore should link against # if it's statically linked. If it's dynamically linked, there is no need to # explicitly link against all the dependencies, but it doesn't harm much(*) # either. # # (*) It allows client code to use symbols from our dependencies without # explicitly linking against them. set(toxcore_PKGCONFIG_LIBS) # LAYER 1: Crypto core # -------------------- add_module(toxcrypto toxcore/crypto_core.c toxcore/crypto_core.h) target_link_modules(toxcrypto ${LIBSODIUM_LIBRARIES}) if(WIN32) target_link_modules(toxcrypto ws2_32) # for htonl endif() # LAYER 2: Basic networking # ------------------------- add_module(toxnetwork toxcore/logger.c toxcore/logger.h toxcore/network.c toxcore/network.h toxcore/util.c toxcore/util.h) target_link_modules(toxnetwork toxcrypto) if(CMAKE_THREAD_LIBS_INIT) target_link_modules(toxnetwork ${CMAKE_THREAD_LIBS_INIT}) set(toxcore_PKGCONFIG_LIBS ${toxcore_PKGCONFIG_LIBS} "-l${CMAKE_THREAD_LIBS_INIT}") endif() if(RT_LIBRARIES) target_link_modules(toxnetwork ${RT_LIBRARIES}) set(toxcore_PKGCONFIG_LIBS ${toxcore_PKGCONFIG_LIBS} "-lrt") endif() if(WIN32) target_link_modules(toxnetwork ws2_32 iphlpapi) set(toxcore_PKGCONFIG_LIBS ${toxcore_PKGCONFIG_LIBS} "-lws2_32 -liphlpapi") endif() # LAYER 3: Distributed Hash Table # ------------------------------- add_module(toxdht toxcore/DHT.c toxcore/DHT.h toxcore/LAN_discovery.c toxcore/LAN_discovery.h toxcore/assoc.c toxcore/assoc.h toxcore/ping.c toxcore/ping.h toxcore/ping_array.c toxcore/ping_array.h) target_link_modules(toxdht toxnetwork) # LAYER 4: Onion routing, TCP connections, crypto connections # ----------------------------------------------------------- add_module(toxnetcrypto toxcore/TCP_client.c toxcore/TCP_client.h toxcore/TCP_connection.c toxcore/TCP_connection.h toxcore/TCP_server.c toxcore/TCP_server.h toxcore/list.c toxcore/list.h toxcore/net_crypto.c toxcore/net_crypto.h toxcore/onion.c toxcore/onion.h toxcore/onion_announce.c toxcore/onion_announce.h toxcore/onion_client.c toxcore/onion_client.h) target_link_modules(toxnetcrypto toxdht) # LAYER 5: Friend requests and connections # ---------------------------------------- add_module(toxfriends toxcore/friend_connection.c toxcore/friend_connection.h toxcore/friend_requests.c toxcore/friend_requests.h) target_link_modules(toxfriends toxnetcrypto) # LAYER 6: Tox messenger # ---------------------- add_module(toxmessenger toxcore/Messenger.c toxcore/Messenger.h) target_link_modules(toxmessenger toxfriends) # LAYER 7: Group chats # -------------------- add_module(toxgroup toxcore/group.c toxcore/group.h) target_link_modules(toxgroup toxmessenger) # LAYER 8: Public API # ------------------- apidsl( toxcore/tox.api.h) add_module(toxcore toxcore/misc_tools.h toxcore/tox.c toxcore/tox.h) target_link_modules(toxcore toxgroup) ################################################################################ # # :: Audio/Video Library # ################################################################################ if(BUILD_TOXAV) apidsl( toxav/toxav.api.h) add_module(toxav toxav/audio.c toxav/audio.h toxav/bwcontroller.c toxav/bwcontroller.h toxav/group.c toxav/group.h toxav/msi.c toxav/msi.h toxav/ring_buffer.c toxav/ring_buffer.h toxav/rtp.c toxav/rtp.h toxav/toxav.c toxav/toxav.h toxav/toxav_old.c toxav/video.c toxav/video.h) target_link_modules(toxav toxcore ${OPUS_LIBRARIES} ${VPX_LIBRARIES}) endif() ################################################################################ # # :: ToxDNS and block encryption libraries # ################################################################################ add_module(toxdns toxdns/toxdns.c) target_link_modules(toxdns toxcore) add_module(toxencryptsave toxencryptsave/toxencryptsave.c) target_link_modules(toxencryptsave toxcore) ################################################################################ # # :: Automated regression tests # ################################################################################ set(TEST_TIMEOUT_SECONDS "" CACHE STRING "Limit runtime of each test to the number of seconds specified") if(APIDSL AND ASTYLE) add_test( NAME format_test COMMAND ${CMAKE_SOURCE_DIR}/other/astyle/format-source "${CMAKE_SOURCE_DIR}" "${APIDSL}" "${ASTYLE}") set_tests_properties(format_test PROPERTIES TIMEOUT "${TEST_TIMEOUT_SECONDS}") endif() function(auto_test target) if(CHECK_FOUND) add_c_executable(auto_${target}_test auto_tests/${target}_test.c) target_link_modules(auto_${target}_test toxcore toxencryptsave ${CHECK_LIBRARIES}) if(BUILD_TOXAV) target_link_modules(auto_${target}_test toxav) endif() add_test(NAME ${target} COMMAND auto_${target}_test) set_tests_properties(${target} PROPERTIES TIMEOUT "${TEST_TIMEOUT_SECONDS}") endif() endfunction() auto_test(TCP) auto_test(assoc) auto_test(crypto) auto_test(dht) auto_test(encryptsave) auto_test(messenger) auto_test(network) auto_test(onion) auto_test(skeleton) auto_test(tox) if(BUILD_TOXAV) auto_test(toxav_basic) auto_test(toxav_many) endif() ################################################################################ # # :: Bootstrap daemon # ################################################################################ add_c_executable(DHT_bootstrap other/DHT_bootstrap.c other/bootstrap_node_packets.c) target_link_modules(DHT_bootstrap toxnetcrypto) option(BOOTSTRAP_DAEMON "Enable building of tox-bootstrapd" ON) if(BOOTSTRAP_DAEMON) if(WIN32) message(FATAL_ERROR "Building tox-bootstrapd for Windows is not supported") endif() if(LIBCONFIG_FOUND) add_c_executable(tox-bootstrapd other/bootstrap_daemon/src/command_line_arguments.c other/bootstrap_daemon/src/command_line_arguments.h other/bootstrap_daemon/src/config.c other/bootstrap_daemon/src/config_defaults.h other/bootstrap_daemon/src/config.h other/bootstrap_daemon/src/log.c other/bootstrap_daemon/src/log.h other/bootstrap_daemon/src/tox-bootstrapd.c other/bootstrap_daemon/src/global.h other/bootstrap_node_packets.c other/bootstrap_node_packets.h) target_link_modules(tox-bootstrapd toxnetcrypto ${LIBCONFIG_LIBRARIES}) endif() endif() ################################################################################ # # :: Test programs # ################################################################################ if(NOT WIN32 AND BUILD_TOXAV AND SNDFILE_FOUND AND PORTAUDIO_FOUND AND OPENCV_FOUND) add_c_executable(av_test testing/av_test.c) target_link_modules(av_test toxav ${OPENCV_LIBRARIES} ${PORTAUDIO_LIBRARIES} ${SNDFILE_LIBRARIES}) # Due to https://github.com/opencv/opencv/issues/6585, we need to compile # av_test as C++ for newer OpenCV versions. if(NOT OPENCV_VERSION VERSION_LESS 3) set_source_files_properties(testing/av_test.c PROPERTIES LANGUAGE CXX) endif() endif() if(NOT WIN32) add_c_executable(nTox testing/nTox.c) target_link_modules(nTox toxcore ${NCURSES_LIBRARIES}) endif() add_c_executable(DHT_test testing/DHT_test.c) target_link_modules(DHT_test toxdht) add_c_executable(Messenger_test testing/Messenger_test.c) target_link_modules(Messenger_test toxmessenger) add_c_executable(dns3_test testing/dns3_test.c) target_link_modules(dns3_test toxdns) if(NOT WIN32) add_c_executable(tox_sync testing/tox_sync.c) target_link_modules(tox_sync toxcore) endif() if(UTIL_LIBRARIES) add_c_executable(tox_shell testing/tox_shell.c) target_link_modules(tox_shell toxcore ${UTIL_LIBRARIES}) endif() if(NOT WIN32) add_c_executable(irc_syncbot testing/irc_syncbot.c) target_link_modules(irc_syncbot toxcore) endif() ################################################################################ # # :: Installation and pkg-config # ################################################################################ if(BUILD_TOXAV) configure_file( "${CMAKE_SOURCE_DIR}/other/pkgconfig/toxav.pc.in" "${CMAKE_BINARY_DIR}/toxav.pc" @ONLY ) endif() configure_file( "${CMAKE_SOURCE_DIR}/other/pkgconfig/toxcore.pc.in" "${CMAKE_BINARY_DIR}/toxcore.pc" @ONLY ) configure_file( "${CMAKE_SOURCE_DIR}/other/pkgconfig/toxdns.pc.in" "${CMAKE_BINARY_DIR}/toxdns.pc" @ONLY ) configure_file( "${CMAKE_SOURCE_DIR}/other/pkgconfig/toxencryptsave.pc.in" "${CMAKE_BINARY_DIR}/toxencryptsave.pc" @ONLY ) install(FILES ${CMAKE_BINARY_DIR}/toxcore.pc ${CMAKE_BINARY_DIR}/toxdns.pc ${CMAKE_BINARY_DIR}/toxencryptsave.pc DESTINATION "lib/pkgconfig") install(FILES toxcore/tox.h toxdns/toxdns.h toxencryptsave/toxencryptsave.h DESTINATION "include/tox") if(BUILD_TOXAV) install(FILES ${CMAKE_BINARY_DIR}/toxav.pc DESTINATION "lib/pkgconfig") install(FILES toxav/toxav.h DESTINATION "include/tox") endif() ################################################################################ # # :: Update versions in various places # ################################################################################ find_program(SH NAMES sh dash bash zsh) if(SH) execute_process( COMMAND ${SH} ${CMAKE_SOURCE_DIR}/other/version-sync ${CMAKE_SOURCE_DIR} ${PROJECT_VERSION_MAJOR} ${PROJECT_VERSION_MINOR} ${PROJECT_VERSION_PATCH}) endif() ################################################################################ # # :: Strict ABI # ################################################################################ function(make_version_script header ns lib) execute_process( COMMAND ${SH} -c "egrep '^\\w' ${header} | grep '${ns}_[a-z0-9_]*(' | grep -v '^typedef' | grep -o '${ns}_[a-z0-9_]*(' | egrep -o '\\w+' | sort -u" OUTPUT_VARIABLE ${lib}_SYMS OUTPUT_STRIP_TRAILING_WHITESPACE) string(REPLACE "\n" ";" ${lib}_SYMS ${${lib}_SYMS}) set(${lib}_VERSION_SCRIPT "${CMAKE_BINARY_DIR}/${lib}.ld") file(WRITE ${${lib}_VERSION_SCRIPT} "{ global:\n") foreach(sym ${${lib}_SYMS}) file(APPEND ${${lib}_VERSION_SCRIPT} "${sym};\n") endforeach(sym) file(APPEND ${${lib}_VERSION_SCRIPT} "local: *; };\n") set_target_properties(${lib}_shared PROPERTIES LINK_FLAGS -Wl,--version-script,${${lib}_VERSION_SCRIPT}) endfunction() option(STRICT_ABI "Enforce strict ABI export in dynamic libraries" OFF) if(WIN32 OR APPLE) # Windows and OSX don't have this linker functionality. set(STRICT_ABI OFF) endif() if(STRICT_ABI AND SH) if(BUILD_TOXAV) make_version_script(${CMAKE_SOURCE_DIR}/toxav/toxav.h toxav toxav) endif() make_version_script(${CMAKE_SOURCE_DIR}/toxcore/tox.h tox toxcore) endif()