cmake_minimum_required(VERSION 3.7) cmake_policy(VERSION 3.7) project("i2pd") # for debugging #set(CMAKE_VERBOSE_MAKEFILE on) # Win32 build with cmake is not supported if(WIN32 OR MSVC OR MSYS OR MINGW) message(SEND_ERROR "cmake build for windows is not supported. Please use MSYS2 with makefiles in project root.") endif() # configurable options option(WITH_AESNI "Use AES-NI instructions set" ON) option(WITH_HARDENING "Use hardening compiler flags" OFF) option(WITH_LIBRARY "Build library" ON) option(WITH_BINARY "Build binary" ON) option(WITH_STATIC "Static build" OFF) option(WITH_UPNP "Include support for UPnP client" OFF) option(WITH_MESHNET "Build for cjdns test network" OFF) option(WITH_ADDRSANITIZER "Build with address sanitizer unix only" OFF) option(WITH_THREADSANITIZER "Build with thread sanitizer unix only" OFF) # paths set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules") set(CMAKE_SOURCE_DIR "..") #Handle paths nicely include(GNUInstallDirs) # architecture include(TargetArch) target_architecture(ARCHITECTURE) set(LIBI2PD_SRC_DIR ../libi2pd) set(LIBI2PD_CLIENT_SRC_DIR ../libi2pd_client) set(LANG_SRC_DIR ../i18n) set(DAEMON_SRC_DIR ../daemon) include_directories(${LIBI2PD_SRC_DIR}) include_directories(${LIBI2PD_CLIENT_SRC_DIR}) include_directories(${LANG_SRC_DIR}) include_directories(${DAEMON_SRC_DIR}) FILE(GLOB LIBI2PD_SRC ${LIBI2PD_SRC_DIR}/*.cpp) add_library(libi2pd ${LIBI2PD_SRC}) set_target_properties(libi2pd PROPERTIES PREFIX "") if(WITH_LIBRARY) install(TARGETS libi2pd EXPORT libi2pd ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries) # TODO Make libi2pd available to 3rd party projects via CMake as imported target # FIXME This pulls stdafx # install(EXPORT libi2pd DESTINATION ${CMAKE_INSTALL_LIBDIR}) endif() FILE(GLOB CLIENT_SRC ${LIBI2PD_CLIENT_SRC_DIR}/*.cpp) add_library(libi2pdclient ${CLIENT_SRC}) set_target_properties(libi2pdclient PROPERTIES PREFIX "") if(WITH_LIBRARY) install(TARGETS libi2pdclient EXPORT libi2pdclient ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries) endif() FILE(GLOB LANG_SRC ${LANG_SRC_DIR}/*.cpp) add_library(libi2pdlang ${LANG_SRC}) set_target_properties(libi2pdlang PROPERTIES PREFIX "") if(WITH_LIBRARY) install(TARGETS libi2pdlang EXPORT libi2pdlang ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries) endif() set(DAEMON_SRC "${DAEMON_SRC_DIR}/Daemon.cpp" "${DAEMON_SRC_DIR}/HTTPServer.cpp" "${DAEMON_SRC_DIR}/I2PControl.cpp" "${DAEMON_SRC_DIR}/i2pd.cpp" "${DAEMON_SRC_DIR}/UPnP.cpp" ) if(WITH_MESHNET) add_definitions(-DMESHNET) endif() if(WITH_UPNP) add_definitions(-DUSE_UPNP) endif() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Winvalid-pch -Wno-unused-parameter") set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -pedantic") # TODO: The following is incompatible with static build and enabled hardening for OpenWRT. # Multiple definitions of __stack_chk_fail(libssp & libc) set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -flto -s -ffunction-sections -fdata-sections") set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "-Wl,--gc-sections") # -flto is added from above # check for c++17 & c++11 support include(CheckCXXCompilerFlag) CHECK_CXX_COMPILER_FLAG("-std=c++17" CXX17_SUPPORTED) CHECK_CXX_COMPILER_FLAG("-std=c++11" CXX11_SUPPORTED) if(CXX17_SUPPORTED) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17") elseif(CXX11_SUPPORTED) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") else() message(SEND_ERROR "C++17 nor C++11 standard not seems to be supported by compiler. Too old version?") endif() if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pipe") if(WITH_HARDENING) add_definitions("-D_FORTIFY_SOURCE=2") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wformat -Wformat-security -Werror=format-security") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstack-protector --param ssp-buffer-size=4") endif() elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang") # more tweaks if(LINUX) set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -stdlib=libstdc++") # required for list(APPEND CMAKE_REQUIRED_LIBRARIES "stdc++") # required to link with -stdlib=libstdc++ endif() if(NOT APPLE) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-const-variable -Wno-overloaded-virtual -Wno-c99-extensions") endif() endif() # compiler flags customization(by system) if(UNIX) list(APPEND DAEMON_SRC "${DAEMON_SRC_DIR}/UnixDaemon.cpp") if(NOT(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD" OR APPLE)) # "'sleep_for' is not a member of 'std::this_thread'" in gcc 4.7/4.8 add_definitions("-D_GLIBCXX_USE_NANOSLEEP=1") endif() endif() # Note: AES-NI and AVX is available on x86-based CPU's. # Here also ARM64 implementation, but currently we don't support it. if(WITH_AESNI AND (ARCHITECTURE MATCHES "x86_64" OR ARCHITECTURE MATCHES "i386")) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes") add_definitions(-D__AES__) endif() if(WITH_ADDRSANITIZER) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=address") endif() if(WITH_THREADSANITIZER) if(WITH_ADDRSANITIZER) message(FATAL_ERROR "thread sanitizer option cannot be combined with address sanitizer") else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=thread") endif() endif() # libraries # TODO: once CMake 3.1+ becomes mainstream, see e.g. http://stackoverflow.com/a/29871891/673826 # use imported Threads::Threads instead set(THREADS_PREFER_PTHREAD_FLAG ON) if(IOS) set(CMAKE_THREAD_LIBS_INIT "-lpthread") set(CMAKE_HAVE_THREADS_LIBRARY 1) set(CMAKE_USE_WIN32_THREADS_INIT 0) set(CMAKE_USE_PTHREADS_INIT 1) else() find_package(Threads REQUIRED) endif() if(THREADS_HAVE_PTHREAD_ARG) # compile time flag set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread") endif() if(WITH_STATIC) set(Boost_USE_STATIC_LIBS ON) set(Boost_USE_STATIC_RUNTIME ON) set(BUILD_SHARED_LIBS OFF) if(${CMAKE_CXX_COMPILER} MATCHES ".*-openwrt-.*") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread") # set(CMAKE_THREAD_LIBS_INIT "gcc_eh -Wl,--whole-archive -lpthread -Wl,--no-whole-archive") set(CMAKE_THREAD_LIBS_INIT "gcc_eh -Wl,-u,pthread_create,-u,pthread_once,-u,pthread_mutex_lock,-u,pthread_mutex_unlock,-u,pthread_join,-u,pthread_equal,-u,pthread_detach,-u,pthread_cond_wait,-u,pthread_cond_signal,-u,pthread_cond_destroy,-u,pthread_cond_broadcast,-u,pthread_cancel") endif() else() # TODO: Consider separate compilation for LIBI2PD_SRC for library. # No need in -fPIC overhead for binary if not interested in library # HINT: revert c266cff CMakeLists.txt: compilation speed up set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC") add_definitions(-DBOOST_SYSTEM_DYN_LINK -DBOOST_FILESYSTEM_DYN_LINK -DBOOST_PROGRAM_OPTIONS_DYN_LINK -DBOOST_DATE_TIME_DYN_LINK -DBOOST_REGEX_DYN_LINK) endif() target_link_libraries(libi2pdclient libi2pd libi2pdlang) find_package(Boost COMPONENTS system filesystem program_options date_time REQUIRED) if(NOT DEFINED Boost_INCLUDE_DIRS) message(SEND_ERROR "Boost is not found, or your boost version was below 1.46. Please download Boost!") endif() find_package(OpenSSL REQUIRED) if(NOT DEFINED OPENSSL_INCLUDE_DIR) message(SEND_ERROR "Could not find OpenSSL. Please download and install it first!") endif() if(OPENSSL_VERSION VERSION_GREATER_EQUAL "3.0.0") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations") endif() if(WITH_UPNP) find_package(MiniUPnPc REQUIRED) if(NOT MINIUPNPC_FOUND) message(SEND_ERROR "Could not find MiniUPnPc. Please download and install it first!") else() include_directories(SYSTEM ${MINIUPNPC_INCLUDE_DIR}) endif() endif() find_package(ZLIB) if(ZLIB_FOUND) link_directories(${ZLIB_ROOT}/lib) endif() # load includes include_directories(SYSTEM ${Boost_INCLUDE_DIRS} ${OPENSSL_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR}) # warn if for meshnet if(WITH_MESHNET) message(STATUS "Building for testnet") message(WARNING "This build will NOT work on mainline i2p") endif() include(CheckAtomic) # show summary message(STATUS "---------------------------------------") message(STATUS "Build type : ${CMAKE_BUILD_TYPE}") message(STATUS "Compiler vendor : ${CMAKE_CXX_COMPILER_ID}") message(STATUS "Compiler version : ${CMAKE_CXX_COMPILER_VERSION}") message(STATUS "Compiler path : ${CMAKE_CXX_COMPILER}") message(STATUS "Architecture : ${ARCHITECTURE}") message(STATUS "Install prefix: : ${CMAKE_INSTALL_PREFIX}") message(STATUS "Options:") message(STATUS " AESNI : ${WITH_AESNI}") message(STATUS " HARDENING : ${WITH_HARDENING}") message(STATUS " LIBRARY : ${WITH_LIBRARY}") message(STATUS " BINARY : ${WITH_BINARY}") message(STATUS " STATIC BUILD : ${WITH_STATIC}") message(STATUS " UPnP : ${WITH_UPNP}") message(STATUS " MESHNET : ${WITH_MESHNET}") message(STATUS " ADDRSANITIZER : ${WITH_ADDRSANITIZER}") message(STATUS " THREADSANITIZER : ${WITH_THREADSANITIZER}") message(STATUS "---------------------------------------") if(WITH_BINARY) add_executable("${PROJECT_NAME}" ${DAEMON_SRC}) if(WITH_STATIC) set_target_properties("${PROJECT_NAME}" PROPERTIES LINK_FLAGS "-static") endif() if(WITH_HARDENING AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU") set_target_properties("${PROJECT_NAME}" PROPERTIES LINK_FLAGS "-z relro -z now") endif() if(WITH_UPNP) set(UPNP_LIB ${MINIUPNPC_LIBRARY}) endif() # FindBoost pulls pthread for thread which is broken for static linking at least on Ubuntu 15.04 list(GET Boost_LIBRARIES -1 LAST_Boost_LIBRARIES) if(${LAST_Boost_LIBRARIES} MATCHES ".*pthread.*") list(REMOVE_AT Boost_LIBRARIES -1) endif() if(WITH_STATIC) set(DL_LIB ${CMAKE_DL_LIBS}) endif() target_link_libraries(libi2pd ${Boost_LIBRARIES} ${ZLIB_LIBRARY}) target_link_libraries("${PROJECT_NAME}" libi2pd libi2pdclient libi2pdlang ${DL_LIB} ${Boost_LIBRARIES} ${OPENSSL_LIBRARIES} ${UPNP_LIB} ${ZLIB_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${DL_LIB} ${CMAKE_REQUIRED_LIBRARIES}) install(TARGETS "${PROJECT_NAME}" RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT Runtime) set(APPS "\${CMAKE_INSTALL_PREFIX}/bin/${PROJECT_NAME}${CMAKE_EXECUTABLE_SUFFIX}") set(DIRS "${Boost_LIBRARY_DIR};${OPENSSL_INCLUDE_DIR}/../bin;${ZLIB_INCLUDE_DIR}/../bin;/mingw32/bin") endif()