cmake_minimum_required(VERSION 3.7) if(${CMAKE_VERSION} VERSION_LESS 3.22) cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}) else() cmake_policy(VERSION 3.22) endif() # for debugging #set(CMAKE_VERBOSE_MAKEFILE on) # paths set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules") set(CMAKE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/..") set(LIBI2PD_SRC_DIR ${CMAKE_SOURCE_DIR}/libi2pd) set(LIBI2PD_CLIENT_SRC_DIR ${CMAKE_SOURCE_DIR}/libi2pd_client) set(LANG_SRC_DIR ${CMAKE_SOURCE_DIR}/i18n) set(DAEMON_SRC_DIR ${CMAKE_SOURCE_DIR}/daemon) include(Version) set_version("${LIBI2PD_SRC_DIR}/version.h" PROJECT_VERSION) project( i2pd VERSION ${PROJECT_VERSION} HOMEPAGE_URL "https://i2pd.website/" LANGUAGES C CXX ) # configurable options option(WITH_AESNI "Use AES-NI instructions set" ON) option(WITH_HARDENING "Use hardening compiler flags" OFF) option(WITH_LIBRARY "Build library" ON) option(WITH_BINARY "Build binary" ON) option(WITH_STATIC "Static build" OFF) option(WITH_UPNP "Include support for UPnP client" OFF) option(WITH_GIT_VERSION "Use git commit info as version" OFF) option(WITH_ADDRSANITIZER "Build with address sanitizer unix only" OFF) option(WITH_THREADSANITIZER "Build with thread sanitizer unix only" OFF) option(BUILD_TESTING "Build tests" OFF) IF(BUILD_TESTING) enable_testing() ENDIF() # Handle paths nicely include(GNUInstallDirs) # Architecture include(TargetArch) target_architecture(ARCHITECTURE) include(CheckAtomic) if(WITH_STATIC) if(MSVC) set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$:Debug>") endif() endif() include_directories(${LIBI2PD_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 ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries) endif() include_directories(${LIBI2PD_CLIENT_SRC_DIR}) 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 ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries) endif() include_directories(${LANG_SRC_DIR}) 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 ${CMAKE_INSTALL_LIBDIR} COMPONENT Libraries) endif() include_directories(${DAEMON_SRC_DIR}) set(DAEMON_SRC "${DAEMON_SRC_DIR}/Daemon.cpp" "${DAEMON_SRC_DIR}/HTTPServer.cpp" "${DAEMON_SRC_DIR}/I2PControl.cpp" "${DAEMON_SRC_DIR}/I2PControlHandlers.cpp" "${DAEMON_SRC_DIR}/i2pd.cpp" "${DAEMON_SRC_DIR}/UPnP.cpp" ) if(WIN32) set(WIN32_SRC_DIR ${CMAKE_SOURCE_DIR}/Win32) include_directories(${WIN32_SRC_DIR}) list(APPEND DAEMON_SRC "${WIN32_SRC_DIR}/DaemonWin32.cpp" "${WIN32_SRC_DIR}/Win32App.cpp" "${WIN32_SRC_DIR}/Win32Service.cpp" "${WIN32_SRC_DIR}/Win32NetState.cpp" ) file(GLOB WIN32_RC ${WIN32_SRC_DIR}/*.rc) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DWIN32_APP -DWIN32_LEAN_AND_MEAN -DNOMINMAX") endif() if(WITH_UPNP) add_definitions(-DUSE_UPNP) endif() if(WITH_GIT_VERSION) include(GetGitRevisionDescription) git_describe(GIT_VERSION) add_definitions(-DGITVER=${GIT_VERSION}) endif() if(APPLE) add_definitions(-DMAC_OSX) endif() if(HAIKU) add_definitions(-D_DEFAULT_SOURCE -D_GNU_SOURCE) endif() if(MSVC) add_definitions(-DWINVER=0x0600) add_definitions(-D_WIN32_WINNT=0x0600) else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Winvalid-pch -Wno-unused-parameter -Wno-uninitialized") set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -pedantic") # TODO: The following is incompatible with static build and enabled hardening for OpenWRT. # Multiple definitions of __stack_chk_fail(libssp & libc) if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang") set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -flto -s") endif() set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -ffunction-sections -fdata-sections") set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "-Wl,--gc-sections") # -flto is added from above endif() if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") set(CMAKE_CXX_FLAGS "${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 "${DAEMON_SRC_DIR}/UnixDaemon.cpp") if(NOT(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD" OR APPLE)) # "'sleep_for' is not a member of 'std::this_thread'" in gcc 4.7/4.8 add_definitions("-D_GLIBCXX_USE_NANOSLEEP=1") endif() endif() # Note: AES-NI and AVX is available on x86-based CPU's. # Here also ARM64 implementation, but currently we don't support it. # MSVC is not supported due to different ASM processing, so we hope OpenSSL has its own checks to run optimized code. if(WITH_AESNI AND (ARCHITECTURE MATCHES "x86_64" OR ARCHITECTURE MATCHES "i386")) if(NOT MSVC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes") endif() 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() if (CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.0 AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0) # gcc 8-9 list(APPEND CMAKE_REQUIRED_LIBRARIES "stdc++fs") endif() # Use std::atomic instead of GCC builtins on macOS PowerPC: # For more information refer to: https://github.com/PurpleI2P/i2pd/issues/1726#issuecomment-1306335111 # This has been fixed in Boost 1.81, nevertheless we retain the setting for the sake of compatibility. if(APPLE AND CMAKE_OSX_ARCHITECTURES MATCHES "ppc") add_definitions(-DBOOST_SP_USE_STD_ATOMIC) endif() # libraries set(THREADS_PREFER_PTHREAD_FLAG ON) find_package(Threads REQUIRED) if(WITH_STATIC) if(NOT MSVC) set(CMAKE_FIND_LIBRARY_SUFFIXES ".a") endif() set(Boost_USE_STATIC_LIBS ON) if(MSVC) set(Boost_USE_STATIC_RUNTIME ON) else() set(Boost_USE_STATIC_RUNTIME OFF) endif() if(MSVC) set(OPENSSL_MSVC_STATIC_RT ON) endif() set(OPENSSL_USE_STATIC_LIBS ON) set(ZLIB_USE_STATIC_LIBS ON) if(MSVC) set(ZLIB_NAMES zlibstatic zlibstat) else() set(ZLIB_NAMES libz zlibstatic zlibstat zlib z) endif() if(WITH_UPNP) set(MINIUPNPC_USE_STATIC_LIBS ON) add_definitions(-DMINIUPNP_STATICLIB) endif() 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 if(NOT MSVC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC") endif() add_definitions(-DBOOST_ATOMIC_DYN_LINK -DBOOST_SYSTEM_DYN_LINK -DBOOST_FILESYSTEM_DYN_LINK -DBOOST_PROGRAM_OPTIONS_DYN_LINK) if(WIN32) set(Boost_USE_STATIC_LIBS OFF) set(Boost_USE_STATIC_RUNTIME OFF) endif() endif() find_package(Boost REQUIRED COMPONENTS system filesystem program_options) if(NOT DEFINED Boost_FOUND) 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_FOUND) message(SEND_ERROR "Could not find OpenSSL. Please download and install it first!") endif() if(OPENSSL_VERSION VERSION_GREATER_EQUAL "3.0.0") add_definitions(-DOPENSSL_SUPPRESS_DEPRECATED) 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() # C++ standard to use, based on compiler and version of boost if(NOT MSVC) # check for c++20 & c++17 support include(CheckCXXCompilerFlag) if(Boost_VERSION VERSION_GREATER_EQUAL "1.83") # min boost version for c++20 CHECK_CXX_COMPILER_FLAG("-std=c++20" CXX20_SUPPORTED) endif() CHECK_CXX_COMPILER_FLAG("-std=c++17" CXX17_SUPPORTED) if(CXX20_SUPPORTED) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++20") elseif(CXX17_SUPPORTED) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17") else() message(SEND_ERROR "C++20 nor C++17 standard not seems to be supported by compiler. Too old version?") endif() endif() # load includes include_directories(SYSTEM ${Boost_INCLUDE_DIRS} ${OPENSSL_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR}) # 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 "Compiler flags : ${CMAKE_CXX_FLAGS}") 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}") if(WITH_GIT_VERSION) message(STATUS " GIT VERSION : ${WITH_GIT_VERSION} (${GIT_VERSION})") else() message(STATUS " GIT VERSION : ${WITH_GIT_VERSION}") endif() message(STATUS " ADDRSANITIZER : ${WITH_ADDRSANITIZER}") message(STATUS " THREADSANITIZER : ${WITH_THREADSANITIZER}") message(STATUS "---------------------------------------") if(WITH_BINARY) if(WIN32) add_executable("${PROJECT_NAME}" WIN32 ${DAEMON_SRC} ${WIN32_RC}) else() add_executable("${PROJECT_NAME}" ${DAEMON_SRC}) endif() if(WIN32) list(APPEND MINGW_EXTRA "wsock32" "ws2_32" "iphlpapi") # OpenSSL may require Crypt32 library on MSVC build, which is not added by CMake lesser than 3.21 if(MSVC AND ${CMAKE_VERSION} VERSION_LESS 3.21) list(APPEND MINGW_EXTRA "crypt32") endif() endif() if(WITH_STATIC) if(NOT MSVC) set_target_properties("${PROJECT_NAME}" PROPERTIES LINK_FLAGS "-static") endif() endif() if(WITH_HARDENING AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU") set_target_properties("${PROJECT_NAME}" PROPERTIES LINK_FLAGS "-z relro -z now") endif() # FindBoost pulls pthread for thread which is broken for static linking at least on Ubuntu 15.04 list(GET Boost_LIBRARIES -1 LAST_Boost_LIBRARIES) if(${LAST_Boost_LIBRARIES} MATCHES ".*pthread.*") list(REMOVE_AT Boost_LIBRARIES -1) endif() # synchronization library is incompatible with Windows 7 if(WIN32) get_target_property(BOOSTFSLIBS Boost::filesystem INTERFACE_LINK_LIBRARIES) list(REMOVE_ITEM BOOSTFSLIBS synchronization) set_target_properties(Boost::filesystem PROPERTIES INTERFACE_LINK_LIBRARIES "${BOOSTFSLIBS}") endif() if(WITH_STATIC) set(DL_LIB ${CMAKE_DL_LIBS}) endif() target_link_libraries("${PROJECT_NAME}" libi2pd libi2pdclient libi2pdlang ${Boost_LIBRARIES} OpenSSL::SSL OpenSSL::Crypto ${MINIUPNPC_LIBRARY} ZLIB::ZLIB Threads::Threads ${MINGW_EXTRA} ${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() if(BUILD_TESTING) add_subdirectory(${CMAKE_SOURCE_DIR}/tests ${CMAKE_CURRENT_BINARY_DIR}/tests) endif()