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15cb426166
toxcore/CMakeLists.txt
iphydf 15cb426166
Make toxcore code C++ compatible. 
It is still C code, so still compatible with C compilers as well. This
change lets us see more clearly where implicit conversions occur by
making them explicit.
2016-09-24 21:53:50 +01:00

416 lines
11 KiB
CMake
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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 "0.0.0")
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
################################################################################
#
# :: Dependencies and configuration
#
################################################################################
include(CheckCCompilerFlag)
include(ModulePackage)
set(CMAKE_MACOSX_RPATH ON)
option(DEBUG "Enable assertions and other debugging facilities" OFF)
if(DEBUG)
add_definitions(-DTOX_DEBUG=1)
add_definitions(-DMIN_LOGGER_LEVEL=LOG_TRACE)
check_c_compiler_flag("-g3" HAVE_G3)
if(HAVE_G3)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
endif()
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)
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/network.c
toxcore/util.c)
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/LAN_discovery.c
toxcore/assoc.c
toxcore/ping.c
toxcore/ping_array.c)
target_link_modules(toxdht toxnetwork)
# LAYER 4: Onion routing, TCP connections, crypto connections
# -----------------------------------------------------------
add_module(toxnetcrypto
toxcore/TCP_client.c
toxcore/TCP_connection.c
toxcore/TCP_server.c
toxcore/list.c
toxcore/net_crypto.c
toxcore/onion.c
toxcore/onion_announce.c
toxcore/onion_client.c)
target_link_modules(toxnetcrypto toxdht)
# LAYER 5: Friend requests and connections
# ----------------------------------------
add_module(toxfriends
toxcore/friend_connection.c
toxcore/friend_requests.c)
target_link_modules(toxfriends toxnetcrypto)
# LAYER 6: Tox messenger
# ----------------------
add_module(toxmessenger
toxcore/Messenger.c)
target_link_modules(toxmessenger toxfriends)
# LAYER 7: Group chats
# --------------------
add_module(toxgroup
toxcore/group.c)
target_link_modules(toxgroup toxmessenger)
# LAYER 8: Public API
# -------------------
add_module(toxcore
toxcore/tox.c)
target_link_modules(toxcore toxgroup)
################################################################################
#
# :: Audio/Video Library
#
################################################################################
if(BUILD_TOXAV)
add_module(toxav
toxav/audio.c
toxav/bwcontroller.c
toxav/group.c
toxav/msi.c
toxav/rtp.c
toxav/toxav.c
toxav/toxav_old.c
toxav/video.c)
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
#
################################################################################
add_test(
NAME format_test
COMMAND ${CMAKE_SOURCE_DIR}/other/astyle/format-source "${CMAKE_SOURCE_DIR}")
function(auto_test target)
if(CHECK_FOUND)
add_c_executable(auto_${target} auto_tests/${target}.c)
target_link_modules(auto_${target}
toxcore
toxencryptsave
${CHECK_LIBRARIES})
if(BUILD_TOXAV)
target_link_modules(auto_${target} toxav)
endif()
add_test(NAME ${target} COMMAND auto_${target})
endif()
endfunction()
auto_test(TCP_test)
auto_test(assoc_test)
auto_test(crypto_test)
auto_test(dht_test)
auto_test(encryptsave_test)
auto_test(messenger_test)
auto_test(network_test)
auto_test(onion_test)
auto_test(skeleton_test)
auto_test(tox_test)
if(BUILD_TOXAV)
auto_test(toxav_basic_test)
auto_test(toxav_many_test)
endif()
################################################################################
#
# :: Bootstrap daemon
#
################################################################################
add_c_executable(DHT_bootstrap
other/DHT_bootstrap.c
other/bootstrap_node_packets.c)
target_link_modules(DHT_bootstrap toxnetcrypto)
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()
################################################################################
#
# :: 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})
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()
################################################################################
#
# :: 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(${lib}_shared PROPERTIES
LINK_FLAGS -Wl,--version-script,${${lib}_VERSION_SCRIPT})
endfunction()
option(STRICT_ABI "Enforce strict ABI export in dynamic libraries" OFF)
if(WIN32 OR APPLE)
# Windows and OSX don't have this linker functionality.
set(STRICT_ABI OFF)
endif()
if(STRICT_ABI)
if(BUILD_TOXAV)
make_version_script(${CMAKE_SOURCE_DIR}/toxav/toxav.h toxav toxav)
endif()
make_version_script(${CMAKE_SOURCE_DIR}/toxcore/tox.h tox toxcore)
endif()
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