cmake_minimum_required(VERSION 2.8) # generate compile_commands.json set(CMAKE_EXPORT_COMPILE_COMMANDS ON) include(CheckCXXSymbolExists) project(FlatBuffers) # NOTE: Code coverage only works on Linux & OSX. option(FLATBUFFERS_CODE_COVERAGE "Enable the code coverage build option." OFF) option(FLATBUFFERS_BUILD_TESTS "Enable the build of tests and samples." ON) option(FLATBUFFERS_INSTALL "Enable the installation of targets." ON) option(FLATBUFFERS_BUILD_FLATLIB "Enable the build of the flatbuffers library" ON) option(FLATBUFFERS_BUILD_FLATC "Enable the build of the flatbuffers compiler" ON) option(FLATBUFFERS_BUILD_FLATHASH "Enable the build of flathash" ON) option(FLATBUFFERS_BUILD_GRPCTEST "Enable the build of grpctest" OFF) option(FLATBUFFERS_BUILD_SHAREDLIB "Enable the build of the flatbuffers shared library" OFF) option(FLATBUFFERS_LIBCXX_WITH_CLANG "Force libc++ when using Clang" ON) # NOTE: Sanitizer check only works on Linux & OSX (gcc & llvm). option(FLATBUFFERS_CODE_SANITIZE "Add '-fsanitize' flags to 'flattests' and 'flatc' targets." OFF) if(NOT FLATBUFFERS_BUILD_FLATC AND FLATBUFFERS_BUILD_TESTS) message(WARNING "Cannot build tests without building the compiler. Tests will be disabled.") set(FLATBUFFERS_BUILD_TESTS OFF) endif() if(DEFINED FLATBUFFERS_MAX_PARSING_DEPTH) # Override the default recursion depth limit. add_definitions(-DFLATBUFFERS_MAX_PARSING_DEPTH=${FLATBUFFERS_MAX_PARSING_DEPTH}) message(STATUS "FLATBUFFERS_MAX_PARSING_DEPTH: ${FLATBUFFERS_MAX_PARSING_DEPTH}") endif() # Auto-detect locale-narrow 'strtod_l' function. if(NOT DEFINED FLATBUFFERS_LOCALE_INDEPENDENT) if(MSVC) check_cxx_symbol_exists(_strtof_l stdlib.h FLATBUFFERS_LOCALE_INDEPENDENT) else() check_cxx_symbol_exists(strtof_l stdlib.h FLATBUFFERS_LOCALE_INDEPENDENT) endif() endif() add_definitions(-DFLATBUFFERS_LOCALE_INDEPENDENT=$) set(FlatBuffers_Library_SRCS include/flatbuffers/code_generators.h include/flatbuffers/base.h include/flatbuffers/flatbuffers.h include/flatbuffers/hash.h include/flatbuffers/idl.h include/flatbuffers/util.h include/flatbuffers/reflection.h include/flatbuffers/reflection_generated.h include/flatbuffers/stl_emulation.h include/flatbuffers/flexbuffers.h include/flatbuffers/registry.h include/flatbuffers/minireflect.h src/code_generators.cpp src/idl_parser.cpp src/idl_gen_text.cpp src/reflection.cpp src/util.cpp ) set(FlatBuffers_Compiler_SRCS ${FlatBuffers_Library_SRCS} src/idl_gen_cpp.cpp src/idl_gen_dart.cpp src/idl_gen_general.cpp src/idl_gen_go.cpp src/idl_gen_js_ts.cpp src/idl_gen_php.cpp src/idl_gen_python.cpp src/idl_gen_lobster.cpp src/idl_gen_lua.cpp src/idl_gen_rust.cpp src/idl_gen_fbs.cpp src/idl_gen_grpc.cpp src/idl_gen_json_schema.cpp src/flatc.cpp src/flatc_main.cpp grpc/src/compiler/schema_interface.h grpc/src/compiler/cpp_generator.h grpc/src/compiler/cpp_generator.cc grpc/src/compiler/go_generator.h grpc/src/compiler/go_generator.cc grpc/src/compiler/java_generator.h grpc/src/compiler/java_generator.cc ) set(FlatHash_SRCS include/flatbuffers/hash.h src/flathash.cpp ) set(FlatBuffers_Tests_SRCS ${FlatBuffers_Library_SRCS} src/idl_gen_fbs.cpp tests/test.cpp tests/test_assert.h tests/test_assert.cpp tests/test_builder.h tests/test_builder.cpp # file generate by running compiler on tests/monster_test.fbs ${CMAKE_CURRENT_BINARY_DIR}/tests/monster_test_generated.h ) set(FlatBuffers_Sample_Binary_SRCS include/flatbuffers/flatbuffers.h samples/sample_binary.cpp # file generated by running compiler on samples/monster.fbs ${CMAKE_CURRENT_BINARY_DIR}/samples/monster_generated.h ) set(FlatBuffers_Sample_Text_SRCS ${FlatBuffers_Library_SRCS} samples/sample_text.cpp # file generated by running compiler on samples/monster.fbs ${CMAKE_CURRENT_BINARY_DIR}/samples/monster_generated.h ) set(FlatBuffers_Sample_BFBS_SRCS ${FlatBuffers_Library_SRCS} src/idl_gen_general.cpp samples/sample_bfbs.cpp # file generated by running compiler on samples/monster.fbs ${CMAKE_CURRENT_BINARY_DIR}/samples/monster_generated.h ) set(FlatBuffers_GRPCTest_SRCS include/flatbuffers/flatbuffers.h include/flatbuffers/grpc.h tests/monster_test.grpc.fb.h tests/test_assert.h tests/test_builder.h tests/monster_test.grpc.fb.cc tests/test_assert.cpp tests/test_builder.cpp grpc/tests/grpctest.cpp grpc/tests/message_builder_test.cpp # file generated by running compiler on samples/monster.fbs ${CMAKE_CURRENT_BINARY_DIR}/samples/monster_generated.h ) # source_group(Compiler FILES ${FlatBuffers_Compiler_SRCS}) # source_group(Tests FILES ${FlatBuffers_Tests_SRCS}) if(EXISTS "${CMAKE_TOOLCHAIN_FILE}") # do not apply any global settings if the toolchain # is being configured externally elseif(APPLE) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic -Werror -Wextra -Wno-unused-parameter") set(FLATBUFFERS_PRIVATE_CXX_FLAGS "-Wold-style-cast") elseif(CMAKE_COMPILER_IS_GNUCXX) if(CYGWIN) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11") else(CYGWIN) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x") endif(CYGWIN) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic -Werror -Wextra -Werror=shadow") set(FLATBUFFERS_PRIVATE_CXX_FLAGS "-Wold-style-cast") if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.4) if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -faligned-new") endif() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wunused-result -Werror=unused-result -Wunused-parameter -Werror=unused-parameter") endif() # Certain platforms such as ARM do not use signed chars by default # which causes issues with certain bounds checks. set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsigned-char") elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x -Wall -pedantic -Werror -Wextra -Wno-unused-parameter") set(FLATBUFFERS_PRIVATE_CXX_FLAGS "-Wold-style-cast") if(FLATBUFFERS_LIBCXX_WITH_CLANG) if(NOT "${CMAKE_SYSTEM_NAME}" MATCHES "Linux") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++") endif() if(NOT ("${CMAKE_SYSTEM_NAME}" MATCHES "FreeBSD" OR "${CMAKE_SYSTEM_NAME}" MATCHES "Linux")) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lc++abi") endif() endif() # Certain platforms such as ARM do not use signed chars by default # which causes issues with certain bounds checks. set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsigned-char") elseif(MSVC) # Visual Studio pedantic build settings # warning C4512: assignment operator could not be generated # warning C4316: object allocated on the heap may not be aligned set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4 /WX /wd4512 /wd4316") endif() if(FLATBUFFERS_CODE_COVERAGE) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -fprofile-arcs -ftest-coverage") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-arcs -ftest-coverage") endif() function(add_fsanitize_to_target _target _sanitizer) # FLATBUFFERS_CODE_SANITIZE: boolean {ON,OFF,YES,NO} or string with list of sanitizer. # List of sanitizer is string starts with '=': "=address,undefined,thread,memory". if((${CMAKE_CXX_COMPILER_ID} MATCHES "Clang") OR ((${CMAKE_CXX_COMPILER_ID} MATCHES "GNU") AND NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.8")) ) set(_sanitizer_flags "=address,undefined") if(_sanitizer MATCHES "=.*") # override default by user-defined sanitizer list set(_sanitizer_flags ${_sanitizer}) endif() target_compile_options(${_target} PRIVATE -g -fsigned-char -fno-omit-frame-pointer "-fsanitize${_sanitizer_flags}") target_link_libraries(${_target} PRIVATE "-fsanitize${_sanitizer_flags}") set_property(TARGET ${_target} PROPERTY POSITION_INDEPENDENT_CODE ON) message(STATUS "Sanitizer ${_sanitizer_flags} added to ${_target}") endif() endfunction() if(BIICODE) include(biicode/cmake/biicode.cmake) return() endif() include_directories(include) include_directories(grpc) if(FLATBUFFERS_BUILD_FLATLIB) add_library(flatbuffers STATIC ${FlatBuffers_Library_SRCS}) # CMake > 2.8.11: Attach header directory for when build via add_subdirectory(). target_include_directories(flatbuffers INTERFACE $) target_compile_options(flatbuffers PRIVATE "${FLATBUFFERS_PRIVATE_CXX_FLAGS}") endif() if(FLATBUFFERS_BUILD_FLATC) add_executable(flatc ${FlatBuffers_Compiler_SRCS}) target_compile_options(flatc PRIVATE "${FLATBUFFERS_PRIVATE_CXX_FLAGS}") if(FLATBUFFERS_CODE_SANITIZE) add_fsanitize_to_target(flatc ${FLATBUFFERS_CODE_SANITIZE}) endif() if(NOT FLATBUFFERS_FLATC_EXECUTABLE) set(FLATBUFFERS_FLATC_EXECUTABLE $) endif() if(MSVC) # Make flatc.exe not depend on runtime dlls for easy distribution. target_compile_options(flatc PUBLIC $<$:/MT>) endif() endif() if(FLATBUFFERS_BUILD_FLATHASH) add_executable(flathash ${FlatHash_SRCS}) endif() if(FLATBUFFERS_BUILD_SHAREDLIB) add_library(flatbuffers_shared SHARED ${FlatBuffers_Library_SRCS}) # Shared object version: "major.minor.micro" # - micro updated every release when there is no API/ABI changes # - minor updated when there are additions in API/ABI # - major (ABI number) updated when there are changes in ABI (or removals) set(FlatBuffers_Library_SONAME_MAJOR "1") set(FlatBuffers_Library_SONAME_FULL "${FlatBuffers_Library_SONAME_MAJOR}.10.0") set_target_properties(flatbuffers_shared PROPERTIES OUTPUT_NAME flatbuffers SOVERSION "${FlatBuffers_Library_SONAME_MAJOR}" VERSION "${FlatBuffers_Library_SONAME_FULL}") endif() function(compile_flatbuffers_schema_to_cpp SRC_FBS) get_filename_component(SRC_FBS_DIR ${SRC_FBS} PATH) string(REGEX REPLACE "\\.fbs$" "_generated.h" GEN_HEADER ${SRC_FBS}) add_custom_command( OUTPUT ${GEN_HEADER} COMMAND "${FLATBUFFERS_FLATC_EXECUTABLE}" -c --no-includes --gen-mutable --gen-object-api --gen-compare -o "${SRC_FBS_DIR}" --cpp-ptr-type flatbuffers::unique_ptr # Used to test with C++98 STLs --reflect-names -I "${CMAKE_CURRENT_SOURCE_DIR}/tests/include_test" "${CMAKE_CURRENT_SOURCE_DIR}/${SRC_FBS}" DEPENDS flatc) endfunction() function(compile_flatbuffers_schema_to_binary SRC_FBS) get_filename_component(SRC_FBS_DIR ${SRC_FBS} PATH) string(REGEX REPLACE "\\.fbs$" ".bfbs" GEN_BINARY_SCHEMA ${SRC_FBS}) add_custom_command( OUTPUT ${GEN_BINARY_SCHEMA} COMMAND "${FLATBUFFERS_FLATC_EXECUTABLE}" -b --schema -o "${SRC_FBS_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/${SRC_FBS}" DEPENDS flatc) endfunction() if(FLATBUFFERS_BUILD_TESTS) compile_flatbuffers_schema_to_cpp(tests/monster_test.fbs) include_directories(${CMAKE_CURRENT_BINARY_DIR}/tests) add_executable(flattests ${FlatBuffers_Tests_SRCS}) if(FLATBUFFERS_CODE_SANITIZE) add_fsanitize_to_target(flattests ${FLATBUFFERS_CODE_SANITIZE}) endif() set_property(TARGET flattests PROPERTY COMPILE_DEFINITIONS FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE FLATBUFFERS_DEBUG_VERIFICATION_FAILURE=1) compile_flatbuffers_schema_to_cpp(samples/monster.fbs) include_directories(${CMAKE_CURRENT_BINARY_DIR}/samples) add_executable(flatsamplebinary ${FlatBuffers_Sample_Binary_SRCS}) add_executable(flatsampletext ${FlatBuffers_Sample_Text_SRCS}) add_executable(flatsamplebfbs ${FlatBuffers_Sample_BFBS_SRCS}) endif() if(FLATBUFFERS_BUILD_GRPCTEST) if(CMAKE_COMPILER_IS_GNUCXX) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-parameter -Wno-shadow") endif() if(NOT GRPC_INSTALL_PATH) message(SEND_ERROR "GRPC_INSTALL_PATH variable is not defined. See grpc/README.md") endif() if(NOT PROTOBUF_DOWNLOAD_PATH) message(SEND_ERROR "PROTOBUF_DOWNLOAD_PATH variable is not defined. See grpc/README.md") endif() INCLUDE_DIRECTORIES(${GRPC_INSTALL_PATH}/include) INCLUDE_DIRECTORIES(${PROTOBUF_DOWNLOAD_PATH}/src) LINK_DIRECTORIES(${GRPC_INSTALL_PATH}/lib) add_executable(grpctest ${FlatBuffers_GRPCTest_SRCS}) target_link_libraries(grpctest grpc++_unsecure grpc_unsecure gpr pthread dl) endif() include(CMake/Version.cmake) if(FLATBUFFERS_INSTALL) include(GNUInstallDirs) install(DIRECTORY include/flatbuffers DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) set(FB_CMAKE_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/flatbuffers") configure_file(CMake/FlatbuffersConfigVersion.cmake.in FlatbuffersConfigVersion.cmake @ONLY) install( FILES "CMake/FlatbuffersConfig.cmake" "${CMAKE_CURRENT_BINARY_DIR}/FlatbuffersConfigVersion.cmake" DESTINATION ${FB_CMAKE_DIR} ) if(FLATBUFFERS_BUILD_FLATLIB) if(CMAKE_VERSION VERSION_LESS 3.0) install( TARGETS flatbuffers EXPORT FlatbuffersTargets ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} ) else() install( TARGETS flatbuffers EXPORT FlatbuffersTargets ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} ) endif() install(EXPORT FlatbuffersTargets FILE FlatbuffersTargets.cmake NAMESPACE flatbuffers:: DESTINATION ${FB_CMAKE_DIR} ) endif() if(FLATBUFFERS_BUILD_FLATC) install( TARGETS flatc EXPORT FlatcTargets RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} CONFIGURATIONS Release ) install( EXPORT FlatcTargets FILE FlatcTargets.cmake NAMESPACE flatbuffers:: DESTINATION ${FB_CMAKE_DIR} CONFIGURATIONS Release ) endif() if(FLATBUFFERS_BUILD_SHAREDLIB) if(CMAKE_VERSION VERSION_LESS 3.0) install( TARGETS flatbuffers_shared EXPORT FlatbuffersSharedTargets ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} RUNTIME DESTINATION ${CMAKE_INSTALL_LIBDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} ) else() install( TARGETS flatbuffers_shared EXPORT FlatbuffersSharedTargets ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} RUNTIME DESTINATION ${CMAKE_INSTALL_LIBDIR} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} ) endif() install( EXPORT FlatbuffersSharedTargets FILE FlatbuffersSharedTargets.cmake NAMESPACE flatbuffers:: DESTINATION ${FB_CMAKE_DIR} ) endif() endif() if(FLATBUFFERS_BUILD_TESTS) enable_testing() file(COPY "${CMAKE_CURRENT_SOURCE_DIR}/tests" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}") add_test(NAME flattests COMMAND flattests) if(FLATBUFFERS_BUILD_GRPCTEST) add_test(NAME grpctest COMMAND grpctest) endif() endif() include(CMake/BuildFlatBuffers.cmake) if(FLATBUFFERS_PACKAGE_DEBIAN) include(CMake/PackageDebian.cmake) endif()