cmake_minimum_required(VERSION 3.13...3.24) # 3.13 is buster's version # Cmake 3.24+ breaks extraction timestamps by default, hurray, but the option to not break # timestamps fails in cmake <3.24, extra hurray! if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.24) cmake_policy(SET CMP0135 OLD) endif() set(CMAKE_EXPORT_COMPILE_COMMANDS ON) # Has to be set before `project()`, and ignored on non-macos: set(CMAKE_OSX_DEPLOYMENT_TARGET 10.15 CACHE STRING "macOS deployment target (Apple clang only)") option(BUILD_DAEMON "build lokinet daemon and associated utils" ON) option(GRAPH_DEPENDENCIES "Produce graphviz representation of cmake dependencies" OFF) set(LANGS C CXX) if(APPLE AND BUILD_DAEMON) set(LANGS ${LANGS} OBJC Swift) endif() find_program(CCACHE_PROGRAM ccache) if(CCACHE_PROGRAM) foreach(lang ${LANGS}) if(NOT DEFINED CMAKE_${lang}_COMPILER_LAUNCHER AND NOT CMAKE_${lang}_COMPILER MATCHES ".*/ccache") message(STATUS "Enabling ccache for ${lang}") set(CMAKE_${lang}_COMPILER_LAUNCHER ${CCACHE_PROGRAM} CACHE STRING "") endif() endforeach() endif() project(lokinet VERSION 0.9.11 DESCRIPTION "lokinet - IP packet onion router" LANGUAGES ${LANGS}) if(APPLE) # Apple build number: must be incremented to submit a new build for the same lokinet version, # should be reset to 0 when the lokinet version increments. set(LOKINET_APPLE_BUILD 5) endif() set(LOKINET_RELEASE_MOTTO "Anonymous, decentralized, IP-based overlay network" CACHE STRING "Release motto") list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake") set(DEFAULT_WITH_BOOTSTRAP ON) if(APPLE) set(DEFAULT_WITH_BOOTSTRAP OFF) endif() # Core options option(USE_AVX2 "enable avx2 code" OFF) option(USE_NETNS "enable networking namespace support. Linux only" OFF) option(NATIVE_BUILD "optimise for host system and FPU" ON) option(WITH_EMBEDDED_LOKINET "build liblokinet.so for embedded lokinet" OFF) option(XSAN "use sanitiser, if your system has it (requires -DCMAKE_BUILD_TYPE=Debug)" OFF) option(USE_JEMALLOC "Link to jemalloc for memory allocations, if found" ON) option(TESTNET "testnet build" OFF) option(WITH_COVERAGE "generate coverage data" OFF) option(WARNINGS_AS_ERRORS "treat all warnings as errors. turn off for development, on for release" OFF) option(WITH_TESTS "build unit tests" OFF) option(WITH_HIVE "build simulation stubs" OFF) option(BUILD_PACKAGE "builds extra components for making an installer (with 'make package')" OFF) option(WITH_BOOTSTRAP "build lokinet-bootstrap tool" ${DEFAULT_WITH_BOOTSTRAP}) option(WITH_PEERSTATS "build with experimental peerstats db support" OFF) option(STRIP_SYMBOLS "strip off all debug symbols into an external archive for all executables built" OFF) set(BOOTSTRAP_FALLBACK_MAINNET "${PROJECT_SOURCE_DIR}/contrib/bootstrap/mainnet.signed" CACHE PATH "Fallback bootstrap path (mainnet)") set(BOOTSTRAP_FALLBACK_TESTNET "${PROJECT_SOURCE_DIR}/contrib/bootstrap/testnet.signed" CACHE PATH "Fallback bootstrap path (testnet)") include(cmake/enable_lto.cmake) option(CROSS_PLATFORM "cross compiler platform" "Linux") option(CROSS_PREFIX "toolchain cross compiler prefix" "") option(BUILD_SHARED_LIBS "Build shared library" OFF) option(BUILD_STATIC_DEPS "Download, build, and statically link against core dependencies" OFF) option(STATIC_LINK "link statically against dependencies" ${BUILD_STATIC_DEPS}) if(BUILD_STATIC_DEPS AND NOT STATIC_LINK) message(FATAL_ERROR "Option BUILD_STATIC_DEPS requires STATIC_LINK to be enabled as well") endif() if(BUILD_STATIC_DEPS AND BUILD_SHARED_LIBS) message(FATAL_ERROR "Incompatible options: BUILD_STATIC_DEPS cannot be used with BUILD_SHARED_LIBS") endif() if(BUILD_STATIC_DEPS) set(CMAKE_FIND_PACKAGE_PREFER_CONFIG TRUE) include(cmake/StaticBuild.cmake) endif() if(NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE RelWithDebInfo) endif() set(debug OFF) if(CMAKE_BUILD_TYPE MATCHES "[Dd][Ee][Bb][Uu][Gg]") set(debug ON) add_definitions(-DLOKINET_DEBUG) endif() option(WARN_DEPRECATED "show deprecation warnings" OFF) include(CheckCXXSourceCompiles) include(CheckLibraryExists) set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_EXTENSIONS OFF) set(CMAKE_C_STANDARD 11) set(CMAKE_C_STANDARD_REQUIRED ON) include(cmake/target_link_libraries_system.cmake) include(cmake/add_import_library.cmake) include(cmake/libatomic.cmake) if (STATIC_LINK) set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX}) message(STATUS "setting static library suffix search") endif() include(cmake/gui-option.cmake) include(cmake/solaris.cmake) include(cmake/win32.cmake) include(cmake/macos.cmake) # No in-source building include(MacroEnsureOutOfSourceBuild) macro_ensure_out_of_source_build("${PROJECT_NAME} requires an out-of-source build. Create a build directory and run 'cmake ${CMAKE_SOURCE_DIR} [options]'.") # Always build PIC set(CMAKE_POSITION_INDEPENDENT_CODE ON) include(cmake/unix.cmake) include(cmake/check_for_std_optional.cmake) #include(cmake/check_for_std_filesystem.cmake) if(NOT WIN32) if(IOS OR ANDROID) set(NON_PC_TARGET ON) else() include(TargetArch) target_architecture(COMPILE_ARCH) if(COMPILE_ARCH MATCHES i386 OR COMPILE_ARCH MATCHES x86_64) set(NON_PC_TARGET OFF) else() set(NON_PC_TARGET ON) endif() endif() endif() find_package(PkgConfig REQUIRED) if(NOT BUILD_STATIC_DEPS) pkg_check_modules(LIBUV libuv>=1.18.0 IMPORTED_TARGET) endif() if(LIBUV_FOUND AND NOT BUILD_STATIC_DEPS) add_library(libuv INTERFACE) target_link_libraries(libuv INTERFACE PkgConfig::LIBUV) else() if(NOT BUILD_STATIC_DEPS) message(FATAL_ERROR "Could not find libuv >= 1.28.0; install it on your system or use -DBUILD_STATIC_DEPS=ON") endif() endif() if(NOT TARGET sodium) # Allow -D DOWNLOAD_SODIUM=FORCE to download without even checking for a local libsodium option(DOWNLOAD_SODIUM "Allow libsodium to be downloaded and built locally if not found on the system" OFF) if(NOT DOWNLOAD_SODIUM STREQUAL "FORCE" AND NOT BUILD_STATIC_DEPS) pkg_check_modules(SODIUM libsodium>=1.0.18 IMPORTED_TARGET) endif() add_library(sodium INTERFACE) if(SODIUM_FOUND AND NOT DOWNLOAD_SODIUM STREQUAL "FORCE" AND NOT BUILD_STATIC_DEPS) target_link_libraries(sodium INTERFACE PkgConfig::SODIUM) else() if(NOT DOWNLOAD_SODIUM AND NOT BUILD_STATIC_DEPS) message(FATAL_ERROR "Could not find libsodium >= 1.0.18; either install it on your system or use -DDOWNLOAD_SODIUM=ON to download and build an internal copy") endif() message(STATUS "Sodium >= 1.0.18 not found, but DOWNLOAD_SODIUM specified, so downloading it") include(DownloadLibSodium) target_link_libraries(sodium INTERFACE sodium_vendor) endif() # Need this target export so that loki-mq properly picks up sodium export(TARGETS sodium NAMESPACE sodium:: FILE sodium-exports.cmake) endif() set(warning_flags -Wall -Wextra -Wno-unknown-pragmas -Wno-unused-function -Werror=vla) if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") list(APPEND warning_flags -Wno-unknown-warning-option) endif() list(APPEND warning_flags -Wno-deprecated-declarations) # If we blindly add these directly as compile_options then they get passed to swiftc on Apple and # break, so we use a generate expression to set them only for C++/C/ObjC add_compile_options("$<$,$,$>:${warning_flags}>") if(XSAN) string(APPEND CMAKE_CXX_FLAGS_DEBUG " -fsanitize=${XSAN} -fno-omit-frame-pointer -fno-sanitize-recover") foreach(type EXE MODULE SHARED STATIC) string(APPEND CMAKE_${type}_LINKER_FLAGS_DEBUG " -fsanitize=${XSAN} -fno-omit-frame-pointer -fno-sanitize-recover") endforeach() message(STATUS "Doing a ${XSAN} sanitizer build") endif() include(cmake/coverage.cmake) # these vars are set by the cmake toolchain spec if (WOW64_CROSS_COMPILE OR WIN64_CROSS_COMPILE) include(cmake/cross_compile.cmake) endif() if(NOT APPLE) if(NATIVE_BUILD) if(CMAKE_SYSTEM_PROCESSOR STREQUAL ppc64le) add_compile_options(-mcpu=native -mtune=native) else() add_compile_options(-march=native -mtune=native) endif() elseif(NOT NON_PC_TARGET) if (USE_AVX2) add_compile_options(-march=haswell -mtune=haswell -mfpmath=sse) else() # Public binary releases add_compile_options(-march=nocona -mtune=haswell -mfpmath=sse) endif() endif() endif() set(CMAKE_THREAD_PREFER_PTHREAD TRUE) set(THREADS_PREFER_PTHREAD_FLAG TRUE) find_package(Threads REQUIRED) if(TESTNET) add_definitions(-DTESTNET) # 5 times slower than realtime # add_definitions(-DTESTNET_SPEED=5) endif() unset(GIT_VERSION) unset(GIT_VERSION_REAL) if(NOT GIT_VERSION) exec_program("git" ${CMAKE_CURRENT_SOURCE_DIR} ARGS "rev-parse --short HEAD" OUTPUT_VARIABLE GIT_VERSION_UNSTRIP) string(STRIP "${GIT_VERSION_UNSTRIP}" GIT_VERSION) endif() string(REGEX REPLACE "^fatal.*$" nogit GIT_VERSION_REAL "${GIT_VERSION}") find_package(PkgConfig REQUIRED) if (NOT BUILD_STATIC_DEPS) pkg_check_modules(UNBOUND libunbound REQUIRED IMPORTED_TARGET) add_library(libunbound INTERFACE) target_link_libraries(libunbound INTERFACE PkgConfig::UNBOUND) endif() pkg_check_modules(SD libsystemd IMPORTED_TARGET) # Default WITH_SYSTEMD to true if we found it option(WITH_SYSTEMD "enable systemd integration for sd_notify" ${SD_FOUND}) add_subdirectory(external) # interface library for setting common includes, linkage and flags add_library(lokinet-base INTERFACE) target_include_directories(lokinet-base INTERFACE . include) target_link_libraries(lokinet-base INTERFACE quic nlohmann_json::nlohmann_json) if(WITH_SYSTEMD AND (NOT ANDROID)) if(NOT SD_FOUND) message(FATAL_ERROR "libsystemd not found") endif() target_link_libraries(lokinet-base INTERFACE PkgConfig::SD) target_compile_definitions(lokinet-base INTERFACE WITH_SYSTEMD) endif() if(USE_JEMALLOC AND NOT STATIC_LINK) pkg_check_modules(JEMALLOC jemalloc IMPORTED_TARGET) if(JEMALLOC_FOUND) target_link_libraries(lokinet-base INTERFACE PkgConfig::JEMALLOC) else() message(STATUS "jemalloc not found, not linking to jemalloc") endif() else() message(STATUS "jemalloc support disabled") endif() if(ANDROID) target_link_libraries(lokinet-base INTERFACE log) target_compile_definitions(lokinet-base INTERFACE ANDROID) set(ANDROID_PLATFORM_SRC android/ifaddrs.c) endif() if(WITH_HIVE) add_definitions(-DLOKINET_HIVE) endif() add_subdirectory(crypto) add_subdirectory(llarp) if(BUILD_DAEMON) add_subdirectory(daemon) endif() if(WITH_HIVE) add_subdirectory(pybind) endif() if(WITH_TESTS OR WITH_HIVE) add_subdirectory(test) endif() if(ANDROID) add_subdirectory(jni) endif() add_subdirectory(docs) include(cmake/gui.cmake) if(APPLE) macos_target_setup() endif() # uninstall target if(NOT TARGET uninstall) configure_file( "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY) add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake) endif() if(BUILD_PACKAGE AND NOT APPLE) include(cmake/installer.cmake) endif() if(TARGET package) add_dependencies(package assemble_gui) endif()