1cmake_minimum_required(VERSION 3.8...3.28) 2 3# Fallback for using newer policies on CMake <3.12. 4if (${CMAKE_VERSION} VERSION_LESS 3.12) 5 cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}) 6endif () 7 8# Determine if fmt is built as a subproject (using add_subdirectory) 9# or if it is the master project. 10if (NOT DEFINED FMT_MASTER_PROJECT) 11 set(FMT_MASTER_PROJECT OFF) 12 if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR) 13 set(FMT_MASTER_PROJECT ON) 14 message(STATUS "CMake version: ${CMAKE_VERSION}") 15 endif () 16endif () 17 18# Joins arguments and places the results in ${result_var}. 19function(join result_var) 20 set(result "") 21 foreach (arg ${ARGN}) 22 set(result "${result}${arg}") 23 endforeach () 24 set(${result_var} "${result}" PARENT_SCOPE) 25endfunction() 26 27# DEPRECATED! Should be merged into add_module_library. 28function(enable_module target) 29 if (MSVC) 30 set(BMI ${CMAKE_CURRENT_BINARY_DIR}/${target}.ifc) 31 target_compile_options(${target} 32 PRIVATE /interface /ifcOutput ${BMI} 33 INTERFACE /reference fmt=${BMI}) 34 set_target_properties(${target} PROPERTIES ADDITIONAL_CLEAN_FILES ${BMI}) 35 set_source_files_properties(${BMI} PROPERTIES GENERATED ON) 36 endif () 37endfunction() 38 39set(FMT_USE_CMAKE_MODULES FALSE) 40if (CMAKE_VERSION VERSION_GREATER_EQUAL 3.28 AND 41 CMAKE_GENERATOR STREQUAL "Ninja") 42 set(FMT_USE_CMAKE_MODULES TRUE) 43endif () 44 45# Adds a library compiled with C++20 module support. 46# `enabled` is a CMake variables that specifies if modules are enabled. 47# If modules are disabled `add_module_library` falls back to creating a 48# non-modular library. 49# 50# Usage: 51# add_module_library(<name> [sources...] FALLBACK [sources...] [IF enabled]) 52function(add_module_library name) 53 cmake_parse_arguments(AML "" "IF" "FALLBACK" ${ARGN}) 54 set(sources ${AML_UNPARSED_ARGUMENTS}) 55 56 add_library(${name}) 57 set_target_properties(${name} PROPERTIES LINKER_LANGUAGE CXX) 58 59 if (NOT ${${AML_IF}}) 60 # Create a non-modular library. 61 target_sources(${name} PRIVATE ${AML_FALLBACK}) 62 set_target_properties(${name} PROPERTIES CXX_SCAN_FOR_MODULES OFF) 63 return() 64 endif () 65 66 # Modules require C++20. 67 target_compile_features(${name} PUBLIC cxx_std_20) 68 if (CMAKE_COMPILER_IS_GNUCXX) 69 target_compile_options(${name} PUBLIC -fmodules-ts) 70 endif () 71 72 target_compile_definitions(${name} PRIVATE FMT_MODULE) 73 74 if (FMT_USE_CMAKE_MODULES) 75 target_sources(${name} PUBLIC FILE_SET fmt TYPE CXX_MODULES 76 FILES ${sources}) 77 else() 78 # `std` is affected by CMake options and may be higher than C++20. 79 get_target_property(std ${name} CXX_STANDARD) 80 81 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") 82 set(pcms) 83 foreach (src ${sources}) 84 get_filename_component(pcm ${src} NAME_WE) 85 set(pcm ${pcm}.pcm) 86 87 # Propagate -fmodule-file=*.pcm to targets that link with this library. 88 target_compile_options( 89 ${name} PUBLIC -fmodule-file=${CMAKE_CURRENT_BINARY_DIR}/${pcm}) 90 91 # Use an absolute path to prevent target_link_libraries prepending -l 92 # to it. 93 set(pcms ${pcms} ${CMAKE_CURRENT_BINARY_DIR}/${pcm}) 94 add_custom_command( 95 OUTPUT ${pcm} 96 COMMAND ${CMAKE_CXX_COMPILER} 97 -std=c++${std} -x c++-module --precompile -c 98 -o ${pcm} ${CMAKE_CURRENT_SOURCE_DIR}/${src} 99 "-I$<JOIN:$<TARGET_PROPERTY:${name},INCLUDE_DIRECTORIES>,;-I>" 100 # Required by the -I generator expression above. 101 COMMAND_EXPAND_LISTS 102 DEPENDS ${src}) 103 endforeach () 104 105 # Add .pcm files as sources to make sure they are built before the library. 106 set(sources) 107 foreach (pcm ${pcms}) 108 get_filename_component(pcm_we ${pcm} NAME_WE) 109 set(obj ${pcm_we}.o) 110 # Use an absolute path to prevent target_link_libraries prepending -l. 111 set(sources ${sources} ${pcm} ${CMAKE_CURRENT_BINARY_DIR}/${obj}) 112 add_custom_command( 113 OUTPUT ${obj} 114 COMMAND ${CMAKE_CXX_COMPILER} $<TARGET_PROPERTY:${name},COMPILE_OPTIONS> 115 -c -o ${obj} ${pcm} 116 DEPENDS ${pcm}) 117 endforeach () 118 endif () 119 target_sources(${name} PRIVATE ${sources}) 120 endif() 121endfunction() 122 123include(CMakeParseArguments) 124 125# Sets a cache variable with a docstring joined from multiple arguments: 126# set(<variable> <value>... CACHE <type> <docstring>...) 127# This allows splitting a long docstring for readability. 128function(set_verbose) 129 # cmake_parse_arguments is broken in CMake 3.4 (cannot parse CACHE) so use 130 # list instead. 131 list(GET ARGN 0 var) 132 list(REMOVE_AT ARGN 0) 133 list(GET ARGN 0 val) 134 list(REMOVE_AT ARGN 0) 135 list(REMOVE_AT ARGN 0) 136 list(GET ARGN 0 type) 137 list(REMOVE_AT ARGN 0) 138 join(doc ${ARGN}) 139 set(${var} ${val} CACHE ${type} ${doc}) 140endfunction() 141 142# Set the default CMAKE_BUILD_TYPE to Release. 143# This should be done before the project command since the latter can set 144# CMAKE_BUILD_TYPE itself (it does so for nmake). 145if (FMT_MASTER_PROJECT AND NOT CMAKE_BUILD_TYPE) 146 set_verbose(CMAKE_BUILD_TYPE Release CACHE STRING 147 "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or " 148 "CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.") 149endif () 150 151project(FMT CXX) 152include(GNUInstallDirs) 153set_verbose(FMT_INC_DIR ${CMAKE_INSTALL_INCLUDEDIR} CACHE STRING 154 "Installation directory for include files, a relative path that " 155 "will be joined with ${CMAKE_INSTALL_PREFIX} or an absolute path.") 156 157option(FMT_PEDANTIC "Enable extra warnings and expensive tests." OFF) 158option(FMT_WERROR "Halt the compilation with an error on compiler warnings." 159 OFF) 160 161# Options that control generation of various targets. 162option(FMT_DOC "Generate the doc target." ${FMT_MASTER_PROJECT}) 163option(FMT_INSTALL "Generate the install target." ON) 164option(FMT_TEST "Generate the test target." ${FMT_MASTER_PROJECT}) 165option(FMT_FUZZ "Generate the fuzz target." OFF) 166option(FMT_CUDA_TEST "Generate the cuda-test target." OFF) 167option(FMT_OS "Include OS-specific APIs." ON) 168option(FMT_MODULE "Build a module instead of a traditional library." OFF) 169option(FMT_SYSTEM_HEADERS "Expose headers with marking them as system." OFF) 170option(FMT_UNICODE "Enable Unicode support." ON) 171 172if (FMT_TEST AND FMT_MODULE) 173 # The tests require {fmt} to be compiled as traditional library 174 message(STATUS "Testing is incompatible with build mode 'module'.") 175endif () 176set(FMT_SYSTEM_HEADERS_ATTRIBUTE "") 177if (FMT_SYSTEM_HEADERS) 178 set(FMT_SYSTEM_HEADERS_ATTRIBUTE SYSTEM) 179endif () 180if (CMAKE_SYSTEM_NAME STREQUAL "MSDOS") 181 set(FMT_TEST OFF) 182 message(STATUS "MSDOS is incompatible with gtest") 183endif () 184 185# Get version from base.h 186file(READ include/fmt/base.h base_h) 187if (NOT base_h MATCHES "FMT_VERSION ([0-9]+)([0-9][0-9])([0-9][0-9])") 188 message(FATAL_ERROR "Cannot get FMT_VERSION from base.h.") 189endif () 190# Use math to skip leading zeros if any. 191math(EXPR CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1}) 192math(EXPR CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2}) 193math(EXPR CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3}) 194join(FMT_VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}. 195 ${CPACK_PACKAGE_VERSION_PATCH}) 196message(STATUS "{fmt} version: ${FMT_VERSION}") 197 198message(STATUS "Build type: ${CMAKE_BUILD_TYPE}") 199 200if (NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY) 201 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin) 202endif () 203 204set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} 205 "${CMAKE_CURRENT_SOURCE_DIR}/support/cmake") 206 207include(CheckCXXCompilerFlag) 208include(JoinPaths) 209 210if (FMT_MASTER_PROJECT AND NOT DEFINED CMAKE_CXX_VISIBILITY_PRESET) 211 set_verbose(CMAKE_CXX_VISIBILITY_PRESET hidden CACHE STRING 212 "Preset for the export of private symbols") 213 set_property(CACHE CMAKE_CXX_VISIBILITY_PRESET PROPERTY STRINGS 214 hidden default) 215endif () 216 217if (FMT_MASTER_PROJECT AND NOT DEFINED CMAKE_VISIBILITY_INLINES_HIDDEN) 218 set_verbose(CMAKE_VISIBILITY_INLINES_HIDDEN ON CACHE BOOL 219 "Whether to add a compile flag to hide symbols of inline functions") 220endif () 221 222if (CMAKE_CXX_COMPILER_ID MATCHES "GNU") 223 set(PEDANTIC_COMPILE_FLAGS -pedantic-errors -Wall -Wextra -pedantic 224 -Wold-style-cast -Wundef 225 -Wredundant-decls -Wwrite-strings -Wpointer-arith 226 -Wcast-qual -Wformat=2 -Wmissing-include-dirs 227 -Wcast-align 228 -Wctor-dtor-privacy -Wdisabled-optimization 229 -Winvalid-pch -Woverloaded-virtual 230 -Wconversion -Wundef 231 -Wno-ctor-dtor-privacy -Wno-format-nonliteral) 232 if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6) 233 set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} 234 -Wno-dangling-else -Wno-unused-local-typedefs) 235 endif () 236 if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) 237 set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wdouble-promotion 238 -Wtrampolines -Wzero-as-null-pointer-constant -Wuseless-cast 239 -Wvector-operation-performance -Wsized-deallocation -Wshadow) 240 endif () 241 if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0) 242 set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wshift-overflow=2 243 -Wduplicated-cond) 244 # Workaround for GCC regression 245 # [12/13/14/15 regression] New (since gcc 12) false positive null-dereference in vector.resize 246 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108860 247 if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.0) 248 set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wnull-dereference) 249 endif () 250 endif () 251 set(WERROR_FLAG -Werror) 252endif () 253 254if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") 255 set(PEDANTIC_COMPILE_FLAGS -Wall -Wextra -pedantic -Wconversion -Wundef 256 -Wdeprecated -Wweak-vtables -Wshadow 257 -Wno-gnu-zero-variadic-macro-arguments) 258 check_cxx_compiler_flag(-Wzero-as-null-pointer-constant HAS_NULLPTR_WARNING) 259 if (HAS_NULLPTR_WARNING) 260 set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} 261 -Wzero-as-null-pointer-constant) 262 endif () 263 set(WERROR_FLAG -Werror) 264endif () 265 266if (MSVC) 267 set(PEDANTIC_COMPILE_FLAGS /W3) 268 set(WERROR_FLAG /WX) 269endif () 270 271if (FMT_MASTER_PROJECT AND CMAKE_GENERATOR MATCHES "Visual Studio") 272 # If Microsoft SDK is installed create script run-msbuild.bat that 273 # calls SetEnv.cmd to set up build environment and runs msbuild. 274 # It is useful when building Visual Studio projects with the SDK 275 # toolchain rather than Visual Studio. 276 include(FindSetEnv) 277 if (WINSDK_SETENV) 278 set(MSBUILD_SETUP "call \"${WINSDK_SETENV}\"") 279 endif () 280 # Set FrameworkPathOverride to get rid of MSB3644 warnings. 281 join(netfxpath 282 "C:\\Program Files\\Reference Assemblies\\Microsoft\\Framework\\" 283 ".NETFramework\\v4.0") 284 file(WRITE run-msbuild.bat " 285 ${MSBUILD_SETUP} 286 ${CMAKE_MAKE_PROGRAM} -p:FrameworkPathOverride=\"${netfxpath}\" %*") 287endif () 288 289function(add_headers VAR) 290 set(headers ${${VAR}}) 291 foreach (header ${ARGN}) 292 set(headers ${headers} include/fmt/${header}) 293 endforeach() 294 set(${VAR} ${headers} PARENT_SCOPE) 295endfunction() 296 297# Define the fmt library, its includes and the needed defines. 298add_headers(FMT_HEADERS args.h base.h chrono.h color.h compile.h core.h format.h 299 format-inl.h os.h ostream.h printf.h ranges.h std.h 300 xchar.h) 301set(FMT_SOURCES src/format.cc) 302 303add_module_library(fmt src/fmt.cc FALLBACK 304 ${FMT_SOURCES} ${FMT_HEADERS} README.md ChangeLog.md 305 IF FMT_MODULE) 306add_library(fmt::fmt ALIAS fmt) 307if (FMT_MODULE) 308 enable_module(fmt) 309elseif (FMT_OS) 310 target_sources(fmt PRIVATE src/os.cc) 311else() 312 target_compile_definitions(fmt PRIVATE FMT_OS=0) 313endif () 314 315if (FMT_WERROR) 316 target_compile_options(fmt PRIVATE ${WERROR_FLAG}) 317endif () 318if (FMT_PEDANTIC) 319 target_compile_options(fmt PRIVATE ${PEDANTIC_COMPILE_FLAGS}) 320endif () 321 322if (cxx_std_11 IN_LIST CMAKE_CXX_COMPILE_FEATURES) 323 target_compile_features(fmt PUBLIC cxx_std_11) 324else () 325 message(WARNING "Feature cxx_std_11 is unknown for the CXX compiler") 326endif () 327 328target_include_directories(fmt ${FMT_SYSTEM_HEADERS_ATTRIBUTE} BEFORE PUBLIC 329 $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> 330 $<INSTALL_INTERFACE:${FMT_INC_DIR}>) 331 332set(FMT_DEBUG_POSTFIX d CACHE STRING "Debug library postfix.") 333 334set_target_properties(fmt PROPERTIES 335 VERSION ${FMT_VERSION} SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR} 336 PUBLIC_HEADER "${FMT_HEADERS}" 337 DEBUG_POSTFIX "${FMT_DEBUG_POSTFIX}" 338 339 # Workaround for Visual Studio 2017: 340 # Ensure the .pdb is created with the same name and in the same directory 341 # as the .lib. Newer VS versions already do this by default, but there is no 342 # harm in setting it for those too. Ignored by other generators. 343 COMPILE_PDB_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}" 344 COMPILE_PDB_NAME "fmt" 345 COMPILE_PDB_NAME_DEBUG "fmt${FMT_DEBUG_POSTFIX}") 346 347# Set FMT_LIB_NAME for pkg-config fmt.pc. We cannot use the OUTPUT_NAME target 348# property because it's not set by default. 349set(FMT_LIB_NAME fmt) 350if (CMAKE_BUILD_TYPE STREQUAL "Debug") 351 set(FMT_LIB_NAME ${FMT_LIB_NAME}${FMT_DEBUG_POSTFIX}) 352endif () 353 354if (BUILD_SHARED_LIBS) 355 target_compile_definitions(fmt PRIVATE FMT_LIB_EXPORT INTERFACE FMT_SHARED) 356endif () 357if (FMT_SAFE_DURATION_CAST) 358 target_compile_definitions(fmt PUBLIC FMT_SAFE_DURATION_CAST) 359endif () 360 361add_library(fmt-header-only INTERFACE) 362add_library(fmt::fmt-header-only ALIAS fmt-header-only) 363 364if (NOT MSVC) 365 # Unicode is always supported on compilers other than MSVC. 366elseif (FMT_UNICODE) 367 # Unicode support requires compiling with /utf-8. 368 target_compile_options(fmt PUBLIC $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CXX_COMPILER_ID:MSVC>>:/utf-8>) 369 target_compile_options(fmt-header-only INTERFACE $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CXX_COMPILER_ID:MSVC>>:/utf-8>) 370else () 371 target_compile_definitions(fmt PUBLIC FMT_UNICODE=0) 372endif () 373 374target_compile_definitions(fmt-header-only INTERFACE FMT_HEADER_ONLY=1) 375target_compile_features(fmt-header-only INTERFACE cxx_std_11) 376 377target_include_directories(fmt-header-only 378 ${FMT_SYSTEM_HEADERS_ATTRIBUTE} BEFORE INTERFACE 379 $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> 380 $<INSTALL_INTERFACE:${FMT_INC_DIR}>) 381 382# Install targets. 383if (FMT_INSTALL) 384 include(CMakePackageConfigHelpers) 385 set_verbose(FMT_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/fmt CACHE STRING 386 "Installation directory for cmake files, a relative path that " 387 "will be joined with ${CMAKE_INSTALL_PREFIX} or an absolute " 388 "path.") 389 set(version_config ${PROJECT_BINARY_DIR}/fmt-config-version.cmake) 390 set(project_config ${PROJECT_BINARY_DIR}/fmt-config.cmake) 391 set(pkgconfig ${PROJECT_BINARY_DIR}/fmt.pc) 392 set(targets_export_name fmt-targets) 393 394 set_verbose(FMT_LIB_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING 395 "Installation directory for libraries, a relative path that " 396 "will be joined to ${CMAKE_INSTALL_PREFIX} or an absolute path.") 397 398 set_verbose(FMT_PKGCONFIG_DIR ${CMAKE_INSTALL_LIBDIR}/pkgconfig CACHE STRING 399 "Installation directory for pkgconfig (.pc) files, a relative " 400 "path that will be joined with ${CMAKE_INSTALL_PREFIX} or an " 401 "absolute path.") 402 403 # Generate the version, config and target files into the build directory. 404 write_basic_package_version_file( 405 ${version_config} 406 VERSION ${FMT_VERSION} 407 COMPATIBILITY AnyNewerVersion) 408 409 join_paths(libdir_for_pc_file "\${exec_prefix}" "${FMT_LIB_DIR}") 410 join_paths(includedir_for_pc_file "\${prefix}" "${FMT_INC_DIR}") 411 412 configure_file( 413 "${PROJECT_SOURCE_DIR}/support/cmake/fmt.pc.in" 414 "${pkgconfig}" 415 @ONLY) 416 configure_package_config_file( 417 ${PROJECT_SOURCE_DIR}/support/cmake/fmt-config.cmake.in 418 ${project_config} 419 INSTALL_DESTINATION ${FMT_CMAKE_DIR}) 420 421 set(INSTALL_TARGETS fmt fmt-header-only) 422 423 set(INSTALL_FILE_SET) 424 if (FMT_USE_CMAKE_MODULES) 425 set(INSTALL_FILE_SET FILE_SET fmt DESTINATION "${FMT_INC_DIR}/fmt") 426 endif() 427 428 # Install the library and headers. 429 install(TARGETS ${INSTALL_TARGETS} EXPORT ${targets_export_name} 430 LIBRARY DESTINATION ${FMT_LIB_DIR} 431 ARCHIVE DESTINATION ${FMT_LIB_DIR} 432 PUBLIC_HEADER DESTINATION "${FMT_INC_DIR}/fmt" 433 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} 434 ${INSTALL_FILE_SET}) 435 436 # Use a namespace because CMake provides better diagnostics for namespaced 437 # imported targets. 438 export(TARGETS ${INSTALL_TARGETS} NAMESPACE fmt:: 439 FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake) 440 441 # Install version, config and target files. 442 install( 443 FILES ${project_config} ${version_config} 444 DESTINATION ${FMT_CMAKE_DIR}) 445 install(EXPORT ${targets_export_name} DESTINATION ${FMT_CMAKE_DIR} 446 NAMESPACE fmt::) 447 448 install(FILES "${pkgconfig}" DESTINATION "${FMT_PKGCONFIG_DIR}") 449endif () 450 451function(add_doc_target) 452 find_program(DOXYGEN doxygen 453 PATHS "$ENV{ProgramFiles}/doxygen/bin" 454 "$ENV{ProgramFiles\(x86\)}/doxygen/bin") 455 if (NOT DOXYGEN) 456 message(STATUS "Target 'doc' disabled because doxygen not found") 457 return () 458 endif () 459 460 find_program(MKDOCS mkdocs) 461 if (NOT MKDOCS) 462 message(STATUS "Target 'doc' disabled because mkdocs not found") 463 return () 464 endif () 465 466 set(sources ) 467 foreach (source api.md index.md syntax.md get-started.md fmt.css fmt.js) 468 set(sources ${sources} doc/${source}) 469 endforeach() 470 471 add_custom_target( 472 doc 473 COMMAND 474 ${CMAKE_COMMAND} 475 -E env PYTHONPATH=${CMAKE_CURRENT_SOURCE_DIR}/support/python 476 ${MKDOCS} build -f ${CMAKE_CURRENT_SOURCE_DIR}/support/mkdocs.yml 477 # MkDocs requires the site dir to be outside of the doc dir. 478 --site-dir ${CMAKE_CURRENT_BINARY_DIR}/doc-html 479 --no-directory-urls 480 SOURCES ${sources}) 481 482 include(GNUInstallDirs) 483 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc-html/ 484 DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/doc/fmt OPTIONAL) 485endfunction() 486 487if (FMT_DOC) 488 add_doc_target() 489endif () 490 491if (FMT_TEST) 492 enable_testing() 493 add_subdirectory(test) 494endif () 495 496# Control fuzzing independent of the unit tests. 497if (FMT_FUZZ) 498 add_subdirectory(test/fuzzing) 499 500 # The FMT_FUZZ macro is used to prevent resource exhaustion in fuzzing 501 # mode and make fuzzing practically possible. It is similar to 502 # FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION but uses a different name to 503 # avoid interfering with fuzzing of projects that use {fmt}. 504 # See also https://llvm.org/docs/LibFuzzer.html#fuzzer-friendly-build-mode. 505 target_compile_definitions(fmt PUBLIC FMT_FUZZ) 506endif () 507 508set(gitignore ${PROJECT_SOURCE_DIR}/.gitignore) 509if (FMT_MASTER_PROJECT AND EXISTS ${gitignore}) 510 # Get the list of ignored files from .gitignore. 511 file (STRINGS ${gitignore} lines) 512 list(REMOVE_ITEM lines /doc/html) 513 foreach (line ${lines}) 514 string(REPLACE "." "[.]" line "${line}") 515 string(REPLACE "*" ".*" line "${line}") 516 set(ignored_files ${ignored_files} "${line}$" "${line}/") 517 endforeach () 518 set(ignored_files ${ignored_files} /.git /build/doxyxml .vagrant) 519 520 set(CPACK_SOURCE_GENERATOR ZIP) 521 set(CPACK_SOURCE_IGNORE_FILES ${ignored_files}) 522 set(CPACK_SOURCE_PACKAGE_FILE_NAME fmt-${FMT_VERSION}) 523 set(CPACK_PACKAGE_NAME fmt) 524 set(CPACK_RESOURCE_FILE_README ${PROJECT_SOURCE_DIR}/README.md) 525 include(CPack) 526endif () 527