cmake_minimum_required ( VERSION 2.8.12 ) project ( "i2pd" ) # configurale options option(WITH_AESNI "Use AES-NI instructions set" OFF) 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_TESTS "Build unit tests" OFF) set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/build/cmake_modules") set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}) set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}) # Default build is Debug if(NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE Debug) endif() # compiler flags customization (by vendor) if(NOT MSVC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Winvalid-pch") 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" ) # -flto is added from above set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "-Wl,--gc-sections") endif() # Check for c++11 support include(CheckCXXCompilerFlag) CHECK_CXX_COMPILER_FLAG("-std=c++11" CXX11_SUPPORTED) CHECK_CXX_COMPILER_FLAG("-std=c++0x" CXX0X_SUPPORTED) if(CXX11_SUPPORTED) add_definitions("-std=c++11") elseif(CXX0X_SUPPORTED) # gcc 4.6 add_definitions("-std=c++0x") elseif(NOT MSVC) message(SEND_ERROR "C++11 standard not supported by compiler. Version too old?") endif() if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") 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-strong -fPIE --param ssp-buffer-size=4 -z relro -z now" ) endif() elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang") # TODO: more tweaks endif() # Compiler flags customization (by system) if(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") # "'sleep_for' is not a member of 'std::this_thread'" in gcc 4.7/4.8 add_definitions( "-D_GLIBCXX_USE_NANOSLEEP=1" ) endif () if(WITH_UPNP) add_definitions(-DUSE_UPNP) if(NOT MSVC) set(DL_LIB ${CMAKE_DL_LIBS}) endif() endif() if(WITH_AESNI) add_definitions( "-maes -DAESNI") endif() # Libraries # TODO: once CMake 3.1+ becomes mainstream, see e.g. # http://stackoverflow.com/a/29871891/673826 use imported Threads::Threads # instead set(THREADS_PREFER_PTHREAD_FLAG ON) find_package (Threads REQUIRED) if(THREADS_HAVE_PTHREAD_ARG) # compile time flag set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread") endif() if(WITH_STATIC) set(Boost_USE_STATIC_LIBS ON) set(Boost_USE_STATIC_RUNTIME ON) if(WIN32) # http://www.cmake.org/Wiki/CMake_FAQ#Dynamic_Replace # Note that you might need to rebuild Crypto++ foreach(flag_var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO) if(${flag_var} MATCHES "/MD") string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") endif(${flag_var} MATCHES "/MD") endforeach(flag_var) else() set(CMAKE_FIND_LIBRARY_SUFFIXES .a) 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,-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() elseif(NOT WIN32) # TODO: Consider separate compilation for COMMON_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") endif() add_definitions(-DBOOST_ALL_DYN_LINK) find_package( Boost COMPONENTS system filesystem regex program_options date_time thread chrono REQUIRED ) if(NOT DEFINED Boost_INCLUDE_DIRS) message(SEND_ERROR "Boost not found, or version below 1.46. Please download Boost!") endif() find_package(CryptoPP REQUIRED) if(NOT DEFINED CRYPTO++_INCLUDE_DIR) message(SEND_ERROR "Could not find Crypto++. Please download and install it first!") endif() find_package(MiniUPnPc) if(NOT ${MINIUPNPC_FOUND}) set(WITH_UPNP OFF) endif() # Load includes include_directories( ${CMAKE_SOURCE_DIR} ${Boost_INCLUDE_DIRS} ${CRYPTO++_INCLUDE_DIR} "core/" ) # 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 "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 " TESTS : ${WITH_TESTS}") message(STATUS "---------------------------------------") # Handle paths nicely include(GNUInstallDirs) set(CORE_NAME "${PROJECT_NAME}-core") set(CLIENT_NAME "${PROJECT_NAME}-client") set(TESTS_NAME "${PROJECT_NAME}-tests") add_subdirectory(core) add_subdirectory(client) add_subdirectory(tests)