I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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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 "${CMAKE_REQUIRED_FLAGS} -stdlib=libstdc++") # required for <atomic>
list(APPEND CMAKE_REQUIRED_LIBRARIES "stdc++") # required to link with -stdlib=libstdc++
endif()
if(NOT APPLE)
set(CMAKE_CXX_FLAGS "${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()