1# This is the legacy minimum version flatbuffers supported for a while. 2cmake_minimum_required(VERSION 3.8...3.25.2) 3 4# Attempt to read the current version of flatbuffers by looking at the latest tag. 5include(CMake/Version.cmake) 6 7project(FlatBuffers 8 VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH} 9 LANGUAGES CXX) 10 11# generate compile_commands.json 12set(CMAKE_EXPORT_COMPILE_COMMANDS ON) 13 14# NOTE: Code coverage only works on Linux & OSX. 15option(FLATBUFFERS_CODE_COVERAGE "Enable the code coverage build option." OFF) 16option(FLATBUFFERS_BUILD_TESTS "Enable the build of tests and samples." ON) 17option(FLATBUFFERS_INSTALL "Enable the installation of targets." ON) 18option(FLATBUFFERS_BUILD_FLATLIB "Enable the build of the flatbuffers library" 19 ON) 20option(FLATBUFFERS_BUILD_FLATC "Enable the build of the flatbuffers compiler" 21 ON) 22option(FLATBUFFERS_STATIC_FLATC "Build flatbuffers compiler with -static flag" 23 OFF) 24option(FLATBUFFERS_BUILD_FLATHASH "Enable the build of flathash" OFF) 25option(FLATBUFFERS_BUILD_BENCHMARKS "Enable the build of flatbenchmark." 26 OFF) 27option(FLATBUFFERS_BUILD_GRPCTEST "Enable the build of grpctest" OFF) 28option(FLATBUFFERS_BUILD_SHAREDLIB 29 "Enable the build of the flatbuffers shared library" 30 OFF) 31option(FLATBUFFERS_LIBCXX_WITH_CLANG "Force libc++ when using Clang" ON) 32# NOTE: Sanitizer check only works on Linux & OSX (gcc & llvm). 33option(FLATBUFFERS_CODE_SANITIZE 34 "Add '-fsanitize' flags to 'flattests' and 'flatc' targets." 35 OFF) 36option(FLATBUFFERS_PACKAGE_REDHAT 37 "Build an rpm using the 'package' target." 38 OFF) 39option(FLATBUFFERS_PACKAGE_DEBIAN 40 "Build an deb using the 'package' target." 41 OFF) 42option(FLATBUFFERS_BUILD_CPP17 43 "Enable the build of c++17 test target. \" 44 Requirements: Clang6, GCC7, MSVC2017 (_MSC_VER >= 1914) or higher." 45 OFF) 46option(FLATBUFFERS_BUILD_LEGACY 47 "Run C++ code generator with '--cpp-std c++0x' switch." 48 OFF) 49option(FLATBUFFERS_ENABLE_PCH 50 "Enable precompile headers support for 'flatbuffers' and 'flatc'. \" 51 Only work if CMake supports 'target_precompile_headers'. \" 52 This can speed up compilation time." 53 OFF) 54option(FLATBUFFERS_SKIP_MONSTER_EXTRA 55 "Skip generating monster_extra.fbs that contains non-supported numerical\" 56 types." OFF) 57option(FLATBUFFERS_STRICT_MODE 58 "Build flatbuffers with all warnings as errors (-Werror or /WX)." 59 OFF) 60 61if(NOT DEFINED FLATBUFFERS_CPP_STD) 62 set(FLATBUFFERS_CPP_STD 11) 63endif() 64 65set(MSVC_LIKE OFF) 66if(MSVC OR CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "MSVC") 67 set(MSVC_LIKE ON) 68endif() 69 70if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") 71 set(IS_CLANG ON) 72else() 73 set(IS_CLANG OFF) 74endif() 75 76if(DEFINED FLATBUFFERS_COMPILATION_TIMINGS) 77 message("Recording Compilation Timings to ${FLATBUFFERS_COMPILATION_TIMINGS}") 78 file(REMOVE ${FLATBUFFERS_COMPILATION_TIMINGS}) 79 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "time -f 'Wall: %E User: %U Sys: %S | %C' -q -a -o ${FLATBUFFERS_COMPILATION_TIMINGS}") 80 set_property(GLOBAL PROPERTY RULE_LAUNCH_CUSTOM "time -f 'Wall: %E User: %U Sys: %S | %C' -q -a -o ${FLATBUFFERS_COMPILATION_TIMINGS}") 81 set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "time -f 'Wall: %E User: %U Sys: %S | %C' -q -a -o ${FLATBUFFERS_COMPILATION_TIMINGS}") 82endif() 83 84if(NOT FLATBUFFERS_BUILD_FLATC AND FLATBUFFERS_BUILD_TESTS) 85 message(WARNING 86 "Cannot build tests without building the compiler. Tests will be disabled.") 87 set(FLATBUFFERS_BUILD_TESTS OFF) 88endif() 89 90if(DEFINED FLATBUFFERS_MAX_PARSING_DEPTH) 91 # Override the default recursion depth limit. 92 add_definitions(-DFLATBUFFERS_MAX_PARSING_DEPTH=${FLATBUFFERS_MAX_PARSING_DEPTH}) 93 message(STATUS "FLATBUFFERS_MAX_PARSING_DEPTH: ${FLATBUFFERS_MAX_PARSING_DEPTH}") 94endif() 95 96# Auto-detect locale-narrow 'strtod_l' and 'strtoull_l' functions. 97if(NOT DEFINED FLATBUFFERS_LOCALE_INDEPENDENT) 98 include(CheckCXXSymbolExists) 99 100 set(FLATBUFFERS_LOCALE_INDEPENDENT 0) 101 if(MSVC_LIKE) 102 check_cxx_symbol_exists(_strtof_l stdlib.h FLATBUFFERS_HAS_STRTOF_L) 103 check_cxx_symbol_exists(_strtoui64_l stdlib.h FLATBUFFERS_HAS_STRTOULL_L) 104 else() 105 check_cxx_symbol_exists(strtof_l stdlib.h FLATBUFFERS_HAS_STRTOF_L) 106 check_cxx_symbol_exists(strtoull_l stdlib.h FLATBUFFERS_HAS_STRTOULL_L) 107 endif() 108 if(FLATBUFFERS_HAS_STRTOF_L AND FLATBUFFERS_HAS_STRTOULL_L) 109 set(FLATBUFFERS_LOCALE_INDEPENDENT 1) 110 endif() 111endif() 112add_definitions(-DFLATBUFFERS_LOCALE_INDEPENDENT=$<BOOL:${FLATBUFFERS_LOCALE_INDEPENDENT}>) 113 114if(NOT WIN32) 115 check_symbol_exists(realpath "stdlib.h" HAVE_REALPATH) 116 if(NOT HAVE_REALPATH) 117 add_definitions(-DFLATBUFFERS_NO_ABSOLUTE_PATH_RESOLUTION) 118 endif() 119endif() 120 121set(FlatBuffers_Library_SRCS 122 include/flatbuffers/allocator.h 123 include/flatbuffers/array.h 124 include/flatbuffers/base.h 125 include/flatbuffers/buffer.h 126 include/flatbuffers/buffer_ref.h 127 include/flatbuffers/default_allocator.h 128 include/flatbuffers/detached_buffer.h 129 include/flatbuffers/code_generator.h 130 include/flatbuffers/file_manager.h 131 include/flatbuffers/flatbuffer_builder.h 132 include/flatbuffers/flatbuffers.h 133 include/flatbuffers/flexbuffers.h 134 include/flatbuffers/flex_flat_util.h 135 include/flatbuffers/hash.h 136 include/flatbuffers/idl.h 137 include/flatbuffers/minireflect.h 138 include/flatbuffers/reflection.h 139 include/flatbuffers/reflection_generated.h 140 include/flatbuffers/registry.h 141 include/flatbuffers/stl_emulation.h 142 include/flatbuffers/string.h 143 include/flatbuffers/struct.h 144 include/flatbuffers/table.h 145 include/flatbuffers/util.h 146 include/flatbuffers/vector.h 147 include/flatbuffers/vector_downward.h 148 include/flatbuffers/verifier.h 149 src/idl_parser.cpp 150 src/idl_gen_text.cpp 151 src/reflection.cpp 152 src/util.cpp 153) 154 155set(FlatBuffers_Compiler_SRCS 156 ${FlatBuffers_Library_SRCS} 157 src/idl_gen_binary.cpp 158 src/idl_gen_text.cpp 159 src/idl_gen_cpp.cpp 160 src/idl_gen_csharp.cpp 161 src/idl_gen_dart.cpp 162 src/idl_gen_kotlin.cpp 163 src/idl_gen_kotlin_kmp.cpp 164 src/idl_gen_go.cpp 165 src/idl_gen_java.cpp 166 src/idl_gen_ts.cpp 167 src/idl_gen_php.cpp 168 src/idl_gen_python.cpp 169 src/idl_gen_lobster.cpp 170 src/idl_gen_rust.cpp 171 src/idl_gen_fbs.cpp 172 src/idl_gen_grpc.cpp 173 src/idl_gen_json_schema.cpp 174 src/idl_gen_swift.cpp 175 src/file_name_saving_file_manager.cpp 176 src/file_binary_writer.cpp 177 src/file_writer.cpp 178 src/idl_namer.h 179 src/namer.h 180 src/flatc.cpp 181 src/flatc_main.cpp 182 src/bfbs_gen.h 183 src/bfbs_gen_lua.h 184 src/bfbs_gen_nim.h 185 src/bfbs_namer.h 186 include/flatbuffers/code_generators.h 187 src/binary_annotator.h 188 src/binary_annotator.cpp 189 src/annotated_binary_text_gen.h 190 src/annotated_binary_text_gen.cpp 191 src/bfbs_gen_lua.cpp 192 src/bfbs_gen_nim.cpp 193 src/code_generators.cpp 194 grpc/src/compiler/schema_interface.h 195 grpc/src/compiler/cpp_generator.h 196 grpc/src/compiler/cpp_generator.cc 197 grpc/src/compiler/go_generator.h 198 grpc/src/compiler/go_generator.cc 199 grpc/src/compiler/java_generator.h 200 grpc/src/compiler/java_generator.cc 201 grpc/src/compiler/python_generator.h 202 grpc/src/compiler/python_generator.cc 203 grpc/src/compiler/swift_generator.h 204 grpc/src/compiler/swift_generator.cc 205 grpc/src/compiler/ts_generator.h 206 grpc/src/compiler/ts_generator.cc 207) 208 209set(FlatHash_SRCS 210 include/flatbuffers/hash.h 211 src/flathash.cpp 212) 213 214set(FlatBuffers_Tests_SRCS 215 ${FlatBuffers_Library_SRCS} 216 src/idl_gen_fbs.cpp 217 tests/evolution_test.cpp 218 tests/flexbuffers_test.cpp 219 tests/fuzz_test.cpp 220 tests/json_test.cpp 221 tests/key_field_test.cpp 222 tests/monster_test.cpp 223 tests/optional_scalars_test.cpp 224 tests/parser_test.cpp 225 tests/proto_test.cpp 226 tests/reflection_test.cpp 227 tests/test.cpp 228 tests/test_assert.h 229 tests/test_assert.cpp 230 tests/test_builder.h 231 tests/test_builder.cpp 232 tests/util_test.cpp 233 tests/native_type_test_impl.h 234 tests/native_type_test_impl.cpp 235 tests/alignment_test.h 236 tests/alignment_test.cpp 237 tests/64bit/offset64_test.h 238 tests/64bit/offset64_test.cpp 239 include/flatbuffers/code_generators.h 240 src/code_generators.cpp 241) 242 243set(FlatBuffers_Tests_CPP17_SRCS 244 ${FlatBuffers_Library_SRCS} 245 tests/test_assert.h 246 tests/test_assert.cpp 247 tests/cpp17/test_cpp17.cpp 248) 249 250set(FlatBuffers_Sample_Binary_SRCS 251 samples/sample_binary.cpp 252) 253 254set(FlatBuffers_Sample_Text_SRCS 255 ${FlatBuffers_Library_SRCS} 256 samples/sample_text.cpp 257) 258 259set(FlatBuffers_Sample_BFBS_SRCS 260 ${FlatBuffers_Library_SRCS} 261 samples/sample_bfbs.cpp 262) 263 264set(FlatBuffers_GRPCTest_SRCS 265 include/flatbuffers/flatbuffers.h 266 include/flatbuffers/grpc.h 267 include/flatbuffers/util.h 268 src/util.cpp 269 tests/monster_test.grpc.fb.h 270 tests/test_assert.h 271 tests/test_builder.h 272 tests/monster_test.grpc.fb.cc 273 tests/test_assert.cpp 274 tests/test_builder.cpp 275 grpc/tests/grpctest.cpp 276 grpc/tests/message_builder_test.cpp 277) 278 279# TODO(dbaileychess): Figure out how this would now work. I posted a question on 280# https://stackoverflow.com/questions/71772330/override-target-compile-options-via-cmake-command-line. 281# Append FLATBUFFERS_CXX_FLAGS to CMAKE_CXX_FLAGS. 282if(DEFINED FLATBUFFERS_CXX_FLAGS) 283 message(STATUS "extend CXX_FLAGS with ${FLATBUFFERS_CXX_FLAGS}") 284 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLATBUFFERS_CXX_FLAGS}") 285endif() 286message(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}") 287 288function(add_fsanitize_to_target _target _sanitizer) 289 if(WIN32) 290 target_compile_definitions(${_target} PRIVATE FLATBUFFERS_MEMORY_LEAK_TRACKING) 291 message(STATUS "Sanitizer MSVC::_CrtDumpMemoryLeaks added to ${_target}") 292 else() 293 # FLATBUFFERS_CODE_SANITIZE: boolean {ON,OFF,YES,NO} or string with list of sanitizer. 294 # List of sanitizer is string starts with '=': "=address,undefined,thread,memory". 295 if(IS_CLANG OR (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 4.9)) 296 set(_sanitizer_flags "=address,undefined") 297 if(_sanitizer MATCHES "=.*") 298 # override default by user-defined sanitizer list 299 set(_sanitizer_flags ${_sanitizer}) 300 endif() 301 target_compile_options(${_target} PRIVATE 302 -g -fsigned-char -fno-omit-frame-pointer 303 "-fsanitize${_sanitizer_flags}") 304 target_link_libraries(${_target} PRIVATE 305 "-fsanitize${_sanitizer_flags}") 306 set_target_properties(${_target} PROPERTIES POSITION_INDEPENDENT_CODE ON) 307 message(STATUS "Sanitizer ${_sanitizer_flags} added to ${_target}") 308 endif() 309 endif() 310endfunction() 311 312function(add_pch_to_target _target _pch_header) 313 # the command is available since cmake 3.16 314 if(COMMAND target_precompile_headers) 315 target_precompile_headers(${_target} PRIVATE ${_pch_header}) 316 if(NOT MSVC) 317 set_source_files_properties(src/util.cpp PROPERTIES SKIP_PRECOMPILE_HEADERS ON) 318 endif() 319 endif() 320endfunction() 321 322include_directories(include) 323include_directories(grpc) 324 325# Creates an interface library that stores the configuration settings that each 326# target links too. This is a compromise between setting configuration globally 327# with add_compile_options() and the more targetted target_compile_options(). 328# This way each target in this file can share settings and override them if 329# needed. 330add_library(ProjectConfig INTERFACE) 331target_compile_features(ProjectConfig 332 INTERFACE 333 cxx_std_${FLATBUFFERS_CPP_STD} 334) 335 336# Force the standard to be met. 337set(CMAKE_CXX_STANDARD_REQUIRED ON) 338 339# We shouldn't rely on any compiler-extensions to make things work. 340set(CMAKE_CXX_EXTENSIONS OFF) 341 342if(MSVC_LIKE) 343 target_compile_options(ProjectConfig 344 INTERFACE 345 /W4 346 $<$<BOOL:${FLATBUFFERS_STRICT_MODE}>: 347 /WX # Treat all compiler warnings as errors 348 > 349 /wd4512 # C4512: assignment operator could not be generated 350 /wd4316 # C4316: object allocated on the heap may not be aligned 351 /wd4456 # C4456: hides previous local declaration 352 $<$<CXX_COMPILER_ID:Clang>: 353 /D_CRT_SECURE_NO_WARNINGS 354 > 355 ) 356else() 357 target_compile_options(ProjectConfig 358 INTERFACE 359 -Wall 360 $<$<BOOL:${FLATBUFFERS_STRICT_MODE}>: 361 -Werror # Treat all compiler warnings as errors 362 363 -fno-rtti # Disable runtime type information 364 365 $<$<CXX_COMPILER_ID:GNU>: 366 # False positive string overflow 367 # https://github.com/google/flatbuffers/issues/7366 368 -Wno-error=stringop-overflow 369 > 370 > 371 -pedantic 372 -Wextra 373 -Wno-unused-parameter 374 -Wold-style-cast 375 -fsigned-char 376 -Wnon-virtual-dtor 377 378 # This isn't working for some reason: $<$<CXX_COMPILER_ID:CLANG>: 379 $<$<BOOL:${IS_CLANG}>: 380 -Wnewline-eof 381 -Wno-unknown-warning-option 382 -Wmissing-declarations 383 -Wzero-as-null-pointer-constant 384 $<$<VERSION_GREATER:$<CXX_COMPILER_VERSION>,3.8>: 385 -Wimplicit-fallthrough 386 -Wextra-semi 387 $<$<BOOL:${FLATBUFFERS_STRICT_MODE}>: 388 -Werror=unused-private-field 389 > 390 > 391 > 392 393 $<$<CXX_COMPILER_ID:GNU>: 394 $<$<VERSION_GREATER:$<CXX_COMPILER_VERSION>,4.4>: 395 -Wunused-result 396 -Wunused-parameter 397 -Werror=unused-parameter 398 -Wmissing-declarations 399 > 400 $<$<VERSION_GREATER:$<CXX_COMPILER_VERSION>,4.7>: 401 -Wzero-as-null-pointer-constant 402 > 403 $<$<VERSION_GREATER:$<CXX_COMPILER_VERSION>,7.0>: 404 -faligned-new 405 $<$<BOOL:${FLATBUFFERS_STRICT_MODE}>: 406 -Werror=implicit-fallthrough=2 407 > 408 > 409 $<$<VERSION_GREATER:$<CXX_COMPILER_VERSION>,8.0>: 410 -Wextra-semi 411 > 412 > 413 414 $<$<BOOL:${FLATBUFFERS_CODE_COVERAGE}>: 415 -g 416 -fprofile-arcs 417 -ftest-coverage 418 > 419 ) 420 421 if(FLATBUFFERS_CODE_COVERAGE) 422 target_link_options(ProjectConfig 423 INTERFACE 424 -fprofile-arcs 425 -ftest-coverage 426 ) 427 endif() 428endif() 429 430if(FLATBUFFERS_BUILD_FLATLIB) 431 add_library(flatbuffers STATIC ${FlatBuffers_Library_SRCS}) 432 433 # Attach header directory for when build via add_subdirectory(). 434 target_include_directories(flatbuffers 435 INTERFACE 436 $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> 437 ) 438 target_link_libraries(flatbuffers PRIVATE $<BUILD_INTERFACE:ProjectConfig>) 439 440 if(FLATBUFFERS_ENABLE_PCH) 441 add_pch_to_target(flatbuffers include/flatbuffers/pch/pch.h) 442 endif() 443endif() 444 445if(FLATBUFFERS_BUILD_FLATC) 446 add_executable(flatc ${FlatBuffers_Compiler_SRCS}) 447 if(FLATBUFFERS_ENABLE_PCH) 448 add_pch_to_target(flatc include/flatbuffers/pch/flatc_pch.h) 449 endif() 450 451 target_link_libraries(flatc PRIVATE $<BUILD_INTERFACE:ProjectConfig>) 452 target_compile_options(flatc 453 PRIVATE 454 $<$<AND:$<BOOL:${MSVC_LIKE}>,$<CONFIG:Release>>: 455 /MT 456 > 457 ) 458 459 if(FLATBUFFERS_CODE_SANITIZE AND NOT WIN32) 460 add_fsanitize_to_target(flatc ${FLATBUFFERS_CODE_SANITIZE}) 461 endif() 462 if(NOT FLATBUFFERS_FLATC_EXECUTABLE) 463 set(FLATBUFFERS_FLATC_EXECUTABLE $<TARGET_FILE:flatc>) 464 endif() 465 if(FLATBUFFERS_STATIC_FLATC AND NOT MSVC) 466 target_link_libraries(flatc PRIVATE -static) 467 endif() 468endif() 469 470if(FLATBUFFERS_BUILD_FLATHASH) 471 add_executable(flathash ${FlatHash_SRCS}) 472 target_link_libraries(flathash PRIVATE $<BUILD_INTERFACE:ProjectConfig>) 473endif() 474 475if(FLATBUFFERS_BUILD_SHAREDLIB) 476 add_library(flatbuffers_shared SHARED ${FlatBuffers_Library_SRCS}) 477 target_link_libraries(flatbuffers_shared PRIVATE $<BUILD_INTERFACE:ProjectConfig>) 478 # FlatBuffers use calendar-based versioning and do not provide any ABI 479 # stability guarantees. Therefore, always use the full version as SOVERSION 480 # in order to avoid breaking reverse dependencies on upgrades. 481 set(FlatBuffers_Library_SONAME_FULL "${PROJECT_VERSION}") 482 set_target_properties(flatbuffers_shared PROPERTIES 483 OUTPUT_NAME flatbuffers 484 SOVERSION "${FlatBuffers_Library_SONAME_FULL}" 485 VERSION "${FlatBuffers_Library_SONAME_FULL}") 486 if(FLATBUFFERS_ENABLE_PCH) 487 add_pch_to_target(flatbuffers_shared include/flatbuffers/pch/pch.h) 488 endif() 489endif() 490 491function(compile_schema SRC_FBS OPT OUT_GEN_FILE) 492 get_filename_component(SRC_FBS_DIR ${SRC_FBS} PATH) 493 string(REGEX REPLACE "\\.fbs$" "_generated.h" GEN_HEADER ${SRC_FBS}) 494 add_custom_command( 495 OUTPUT ${GEN_HEADER} 496 COMMAND "${FLATBUFFERS_FLATC_EXECUTABLE}" 497 ${OPT} 498 -o "${SRC_FBS_DIR}" 499 "${CMAKE_CURRENT_SOURCE_DIR}/${SRC_FBS}" 500 DEPENDS flatc ${SRC_FBS} 501 COMMENT "flatc generation: `${SRC_FBS}` -> `${GEN_HEADER}`" 502 ) 503 set(${OUT_GEN_FILE} ${GEN_HEADER} PARENT_SCOPE) 504endfunction() 505 506function(compile_schema_for_test SRC_FBS OPT) 507 compile_schema("${SRC_FBS}" "${OPT}" GEN_FILE) 508 target_sources(flattests PRIVATE ${GEN_FILE}) 509endfunction() 510 511function(compile_schema_for_samples SRC_FBS OPT) 512 compile_schema("${SRC_FBS}" "${OPT}" GEN_FILE) 513 target_sources(flatsample PRIVATE ${GEN_FILE}) 514endfunction() 515 516if(FLATBUFFERS_BUILD_TESTS) 517 add_executable(flattests ${FlatBuffers_Tests_SRCS}) 518 target_link_libraries(flattests PRIVATE $<BUILD_INTERFACE:ProjectConfig>) 519 target_include_directories(flattests PUBLIC 520 # Ideally everything is fully qualified from the root directories 521 ${CMAKE_CURRENT_SOURCE_DIR} 522 ${CMAKE_CURRENT_BINARY_DIR} 523 # TODO(derekbailey): update includes to fully qualify src/ and tests/ 524 src 525 tests 526 ${CMAKE_CURRENT_BINARY_DIR}/tests 527 ) 528 529 # Have tests load data from the source directory, not the build directory. 530 add_definitions(-DFLATBUFFERS_TEST_PATH_PREFIX=${CMAKE_CURRENT_SOURCE_DIR}/) 531 532 # The flattest target needs some generated files 533 SET(FLATC_OPT --cpp --gen-mutable --gen-object-api --reflect-names) 534 SET(FLATC_OPT_COMP ${FLATC_OPT};--gen-compare) 535 SET(FLATC_OPT_SCOPED_ENUMS ${FLATC_OPT_COMP};--scoped-enums) 536 537 compile_schema_for_test(tests/alignment_test.fbs "${FLATC_OPT_COMP}") 538 compile_schema_for_test(tests/arrays_test.fbs "${FLATC_OPT_SCOPED_ENUMS}") 539 compile_schema_for_test(tests/native_inline_table_test.fbs "${FLATC_OPT_COMP}") 540 compile_schema_for_test(tests/native_type_test.fbs "${FLATC_OPT}") 541 compile_schema_for_test(tests/key_field/key_field_sample.fbs "${FLATC_OPT_COMP}") 542 compile_schema_for_test(tests/64bit/test_64bit.fbs "${FLATC_OPT_COMP};--bfbs-gen-embed") 543 compile_schema_for_test(tests/64bit/evolution/v1.fbs "${FLATC_OPT_COMP}") 544 compile_schema_for_test(tests/64bit/evolution/v2.fbs "${FLATC_OPT_COMP}") 545 compile_schema_for_test(tests/union_underlying_type_test.fbs "${FLATC_OPT_SCOPED_ENUMS}") 546 547 if(FLATBUFFERS_CODE_SANITIZE) 548 add_fsanitize_to_target(flattests ${FLATBUFFERS_CODE_SANITIZE}) 549 endif() 550 551 include_directories(${CMAKE_CURRENT_BINARY_DIR}/samples) 552 553 add_executable(flatsamplebinary ${FlatBuffers_Sample_Binary_SRCS}) 554 add_executable(flatsampletext ${FlatBuffers_Sample_Text_SRCS}) 555 add_executable(flatsamplebfbs ${FlatBuffers_Sample_BFBS_SRCS}) 556 557 # Add a library so there is a single target that the generated samples can 558 # link too. 559 if(MSVC OR ${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.20.0") 560 add_library(flatsample INTERFACE) 561 else() 562 add_library(flatsample STATIC) 563 endif() 564 565 # Since flatsample has no sources, we have to explicitly set the linker lang. 566 set_target_properties(flatsample PROPERTIES LINKER_LANGUAGE CXX) 567 568 compile_schema_for_samples(samples/monster.fbs "${FLATC_OPT_COMP}") 569 570 target_link_libraries(flatsamplebinary PRIVATE $<BUILD_INTERFACE:ProjectConfig> flatsample) 571 target_link_libraries(flatsampletext PRIVATE $<BUILD_INTERFACE:ProjectConfig> flatsample) 572 target_link_libraries(flatsamplebfbs PRIVATE $<BUILD_INTERFACE:ProjectConfig> flatsample) 573 574 if(FLATBUFFERS_BUILD_CPP17) 575 add_executable(flattests_cpp17 ${FlatBuffers_Tests_CPP17_SRCS}) 576 target_link_libraries(flattests_cpp17 PRIVATE $<BUILD_INTERFACE:ProjectConfig>) 577 target_include_directories(flattests_cpp17 PUBLIC src tests) 578 target_compile_features(flattests_cpp17 PRIVATE cxx_std_17) # requires cmake 3.8 579 580 if(FLATBUFFERS_CODE_SANITIZE) 581 add_fsanitize_to_target(flattests_cpp17 ${FLATBUFFERS_CODE_SANITIZE}) 582 endif() 583 endif(FLATBUFFERS_BUILD_CPP17) 584endif() 585 586if(FLATBUFFERS_BUILD_GRPCTEST) 587 if(NOT GRPC_INSTALL_PATH) 588 message(SEND_ERROR "GRPC_INSTALL_PATH variable is not defined. See grpc/README.md") 589 endif() 590 if(NOT PROTOBUF_DOWNLOAD_PATH) 591 message(SEND_ERROR "PROTOBUF_DOWNLOAD_PATH variable is not defined. See grpc/README.md") 592 endif() 593 INCLUDE_DIRECTORIES(${GRPC_INSTALL_PATH}/include) 594 INCLUDE_DIRECTORIES(${PROTOBUF_DOWNLOAD_PATH}/src) 595 find_package(Threads REQUIRED) 596 list(APPEND CMAKE_PREFIX_PATH ${GRPC_INSTALL_PATH}) 597 find_package(absl CONFIG REQUIRED) 598 find_package(protobuf CONFIG REQUIRED) 599 find_package(gRPC CONFIG REQUIRED) 600 add_executable(grpctest ${FlatBuffers_GRPCTest_SRCS}) 601 target_link_libraries(grpctest 602 PRIVATE 603 $<BUILD_INTERFACE:ProjectConfig> 604 gRPC::grpc++_unsecure 605 gRPC::gpr 606 pthread 607 dl 608 ) 609endif() 610 611if(FLATBUFFERS_INSTALL) 612 include(GNUInstallDirs) 613 614 install(DIRECTORY include/flatbuffers DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) 615 616 set(FB_CMAKE_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/flatbuffers") 617 618 configure_file(CMake/flatbuffers-config-version.cmake.in flatbuffers-config-version.cmake @ONLY) 619 install( 620 FILES 621 "CMake/flatbuffers-config.cmake" 622 "CMake/BuildFlatBuffers.cmake" 623 "${CMAKE_CURRENT_BINARY_DIR}/flatbuffers-config-version.cmake" 624 DESTINATION ${FB_CMAKE_DIR} 625 ) 626 627 if(FLATBUFFERS_BUILD_FLATLIB) 628 install( 629 TARGETS flatbuffers EXPORT FlatBuffersTargets 630 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} 631 INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} 632 ) 633 634 install(EXPORT FlatBuffersTargets 635 FILE FlatBuffersTargets.cmake 636 NAMESPACE flatbuffers:: 637 DESTINATION ${FB_CMAKE_DIR} 638 ) 639 endif() 640 641 if(FLATBUFFERS_BUILD_FLATC) 642 install( 643 TARGETS flatc EXPORT FlatcTargets 644 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} 645 ) 646 647 install( 648 EXPORT FlatcTargets 649 FILE FlatcTargets.cmake 650 NAMESPACE flatbuffers:: 651 DESTINATION ${FB_CMAKE_DIR} 652 ) 653 endif() 654 655 if(FLATBUFFERS_BUILD_SHAREDLIB) 656 install( 657 TARGETS flatbuffers_shared EXPORT FlatBuffersSharedTargets 658 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} 659 RUNTIME DESTINATION ${CMAKE_INSTALL_LIBDIR} 660 LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} 661 INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} 662 ) 663 664 install( 665 EXPORT FlatBuffersSharedTargets 666 FILE FlatBuffersSharedTargets.cmake 667 NAMESPACE flatbuffers:: 668 DESTINATION ${FB_CMAKE_DIR} 669 ) 670 endif() 671 672 if(FLATBUFFERS_BUILD_SHAREDLIB OR FLATBUFFERS_BUILD_FLATLIB) 673 configure_file(CMake/flatbuffers.pc.in flatbuffers.pc @ONLY) 674 install( 675 FILES "${CMAKE_CURRENT_BINARY_DIR}/flatbuffers.pc" 676 DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig 677 ) 678 endif() 679endif() 680 681if(FLATBUFFERS_BUILD_TESTS) 682 enable_testing() 683 684 add_test(NAME flattests COMMAND flattests) 685 if(FLATBUFFERS_BUILD_CPP17) 686 add_test(NAME flattests_cpp17 COMMAND flattests_cpp17) 687 endif() 688 if(FLATBUFFERS_BUILD_GRPCTEST) 689 add_test(NAME grpctest COMMAND grpctest) 690 endif() 691endif() 692 693include(CMake/BuildFlatBuffers.cmake) 694 695if(UNIX) 696 # Use of CPack only supported on Linux systems. 697 if(FLATBUFFERS_PACKAGE_DEBIAN) 698 include(CMake/PackageDebian.cmake) 699 include(CPack) 700 endif() 701 if (FLATBUFFERS_PACKAGE_REDHAT) 702 include(CMake/PackageRedhat.cmake) 703 include(CPack) 704 endif() 705endif() 706 707# Include for running Google Benchmarks. 708if(FLATBUFFERS_BUILD_BENCHMARKS) 709 add_subdirectory(benchmarks) 710endif() 711 712# Add FlatBuffers::FlatBuffers interface, needed for FetchContent_Declare 713add_library(FlatBuffers INTERFACE) 714add_library(FlatBuffers::FlatBuffers ALIAS FlatBuffers) 715target_include_directories( 716 FlatBuffers 717 INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> 718 $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/include>) 719