diff options
Diffstat (limited to 'src/fmt/CMakeLists.txt')
| -rw-r--r-- | src/fmt/CMakeLists.txt | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/src/fmt/CMakeLists.txt b/src/fmt/CMakeLists.txt new file mode 100644 index 000000000..088a2a9c5 --- /dev/null +++ b/src/fmt/CMakeLists.txt @@ -0,0 +1,387 @@ +cmake_minimum_required(VERSION 3.1...3.18) + +# Fallback for using newer policies on CMake <3.12. +if(${CMAKE_VERSION} VERSION_LESS 3.12) + cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}) +endif() + +# Determine if fmt is built as a subproject (using add_subdirectory) +# or if it is the master project. +if (NOT DEFINED FMT_MASTER_PROJECT) + set(FMT_MASTER_PROJECT OFF) + if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR) + set(FMT_MASTER_PROJECT ON) + message(STATUS "CMake version: ${CMAKE_VERSION}") + endif () +endif () + +# Joins arguments and places the results in ${result_var}. +function(join result_var) + set(result "") + foreach (arg ${ARGN}) + set(result "${result}${arg}") + endforeach () + set(${result_var} "${result}" PARENT_SCOPE) +endfunction() + +function(enable_module target) + if (MSVC) + set(BMI ${CMAKE_CURRENT_BINARY_DIR}/${target}.ifc) + target_compile_options(${target} + PRIVATE /interface /ifcOutput ${BMI} + INTERFACE /reference fmt=${BMI}) + endif () + set_target_properties(${target} PROPERTIES ADDITIONAL_CLEAN_FILES ${BMI}) + set_source_files_properties(${BMI} PROPERTIES GENERATED ON) +endfunction() + +include(CMakeParseArguments) + +# Sets a cache variable with a docstring joined from multiple arguments: +# set(<variable> <value>... CACHE <type> <docstring>...) +# This allows splitting a long docstring for readability. +function(set_verbose) + # cmake_parse_arguments is broken in CMake 3.4 (cannot parse CACHE) so use + # list instead. + list(GET ARGN 0 var) + list(REMOVE_AT ARGN 0) + list(GET ARGN 0 val) + list(REMOVE_AT ARGN 0) + list(REMOVE_AT ARGN 0) + list(GET ARGN 0 type) + list(REMOVE_AT ARGN 0) + join(doc ${ARGN}) + set(${var} ${val} CACHE ${type} ${doc}) +endfunction() + +# Set the default CMAKE_BUILD_TYPE to Release. +# This should be done before the project command since the latter can set +# CMAKE_BUILD_TYPE itself (it does so for nmake). +if (FMT_MASTER_PROJECT AND NOT CMAKE_BUILD_TYPE) + set_verbose(CMAKE_BUILD_TYPE Release CACHE STRING + "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or " + "CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.") +endif () + +project(FMT CXX) +include(GNUInstallDirs) +set_verbose(FMT_INC_DIR ${CMAKE_INSTALL_INCLUDEDIR} CACHE STRING + "Installation directory for include files, a relative path that " + "will be joined with ${CMAKE_INSTALL_PREFIX} or an absolute path.") + +option(FMT_PEDANTIC "Enable extra warnings and expensive tests." OFF) +option(FMT_WERROR "Halt the compilation with an error on compiler warnings." + OFF) + +# Options that control generation of various targets. +option(FMT_DOC "Generate the doc target." ${FMT_MASTER_PROJECT}) +option(FMT_INSTALL "Generate the install target." ${FMT_MASTER_PROJECT}) +option(FMT_TEST "Generate the test target." ${FMT_MASTER_PROJECT}) +option(FMT_FUZZ "Generate the fuzz target." OFF) +option(FMT_CUDA_TEST "Generate the cuda-test target." OFF) +option(FMT_OS "Include core requiring OS (Windows/Posix) " ON) +option(FMT_MODULE "Build a module instead of a traditional library." OFF) +option(FMT_SYSTEM_HEADERS "Expose headers with marking them as system." OFF) + +set(FMT_CAN_MODULE OFF) +if (CMAKE_CXX_STANDARD GREATER 17 AND + # msvc 16.10-pre4 + MSVC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 19.29.30035) + set(FMT_CAN_MODULE OFF) +endif () +if (NOT FMT_CAN_MODULE) + set(FMT_MODULE OFF) + message(STATUS "Module support is disabled.") +endif () +if (FMT_TEST AND FMT_MODULE) + # The tests require {fmt} to be compiled as traditional library + message(STATUS "Testing is incompatible with build mode 'module'.") +endif () +set(FMT_SYSTEM_HEADERS_ATTRIBUTE "") +if (FMT_SYSTEM_HEADERS) + set(FMT_SYSTEM_HEADERS_ATTRIBUTE SYSTEM) +endif () + +# Get version from core.h +file(READ include/fmt/core.h core_h) +if (NOT core_h MATCHES "FMT_VERSION ([0-9]+)([0-9][0-9])([0-9][0-9])") + message(FATAL_ERROR "Cannot get FMT_VERSION from core.h.") +endif () +# Use math to skip leading zeros if any. +math(EXPR CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1}) +math(EXPR CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2}) +math(EXPR CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3}) +join(FMT_VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}. + ${CPACK_PACKAGE_VERSION_PATCH}) +message(STATUS "Version: ${FMT_VERSION}") + +message(STATUS "Build type: ${CMAKE_BUILD_TYPE}") + +if (NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY) + set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin) +endif () + +set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} + "${CMAKE_CURRENT_SOURCE_DIR}/support/cmake") + +include(cxx14) +include(JoinPaths) + +list(FIND CMAKE_CXX_COMPILE_FEATURES "cxx_variadic_templates" index) +if (${index} GREATER -1) + # Use cxx_variadic_templates instead of more appropriate cxx_std_11 for + # compatibility with older CMake versions. + set(FMT_REQUIRED_FEATURES cxx_variadic_templates) +endif () +message(STATUS "Required features: ${FMT_REQUIRED_FEATURES}") + +if (FMT_MASTER_PROJECT AND NOT DEFINED CMAKE_CXX_VISIBILITY_PRESET) + set_verbose(CMAKE_CXX_VISIBILITY_PRESET hidden CACHE STRING + "Preset for the export of private symbols") + set_property(CACHE CMAKE_CXX_VISIBILITY_PRESET PROPERTY STRINGS + hidden default) +endif () + +if (FMT_MASTER_PROJECT AND NOT DEFINED CMAKE_VISIBILITY_INLINES_HIDDEN) + set_verbose(CMAKE_VISIBILITY_INLINES_HIDDEN ON CACHE BOOL + "Whether to add a compile flag to hide symbols of inline functions") +endif () + +if (CMAKE_CXX_COMPILER_ID MATCHES "GNU") + set(PEDANTIC_COMPILE_FLAGS -pedantic-errors -Wall -Wextra -pedantic + -Wold-style-cast -Wundef + -Wredundant-decls -Wwrite-strings -Wpointer-arith + -Wcast-qual -Wformat=2 -Wmissing-include-dirs + -Wcast-align + -Wctor-dtor-privacy -Wdisabled-optimization + -Winvalid-pch -Woverloaded-virtual + -Wconversion -Wundef + -Wno-ctor-dtor-privacy -Wno-format-nonliteral) + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6) + set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} + -Wno-dangling-else -Wno-unused-local-typedefs) + endif () + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) + set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wdouble-promotion + -Wtrampolines -Wzero-as-null-pointer-constant -Wuseless-cast + -Wvector-operation-performance -Wsized-deallocation -Wshadow) + endif () + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0) + set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wshift-overflow=2 + -Wnull-dereference -Wduplicated-cond) + endif () + set(WERROR_FLAG -Werror) +endif () + +if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") + set(PEDANTIC_COMPILE_FLAGS -Wall -Wextra -pedantic -Wconversion -Wundef + -Wdeprecated -Wweak-vtables -Wshadow + -Wno-gnu-zero-variadic-macro-arguments) + check_cxx_compiler_flag(-Wzero-as-null-pointer-constant HAS_NULLPTR_WARNING) + if (HAS_NULLPTR_WARNING) + set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} + -Wzero-as-null-pointer-constant) + endif () + set(WERROR_FLAG -Werror) +endif () + +if (MSVC) + set(PEDANTIC_COMPILE_FLAGS /W3) + set(WERROR_FLAG /WX) +endif () + +if (FMT_MASTER_PROJECT AND CMAKE_GENERATOR MATCHES "Visual Studio") + # If Microsoft SDK is installed create script run-msbuild.bat that + # calls SetEnv.cmd to set up build environment and runs msbuild. + # It is useful when building Visual Studio projects with the SDK + # toolchain rather than Visual Studio. + include(FindSetEnv) + if (WINSDK_SETENV) + set(MSBUILD_SETUP "call \"${WINSDK_SETENV}\"") + endif () + # Set FrameworkPathOverride to get rid of MSB3644 warnings. + join(netfxpath + "C:\\Program Files\\Reference Assemblies\\Microsoft\\Framework\\" + ".NETFramework\\v4.0") + file(WRITE run-msbuild.bat " + ${MSBUILD_SETUP} + ${CMAKE_MAKE_PROGRAM} -p:FrameworkPathOverride=\"${netfxpath}\" %*") +endif () + +function(add_headers VAR) + set(headers ${${VAR}}) + foreach (header ${ARGN}) + set(headers ${headers} include/fmt/${header}) + endforeach() + set(${VAR} ${headers} PARENT_SCOPE) +endfunction() + +# Define the fmt library, its includes and the needed defines. +add_headers(FMT_HEADERS args.h chrono.h color.h compile.h core.h format.h + format-inl.h os.h ostream.h printf.h ranges.h std.h + xchar.h) +if (FMT_MODULE) + set(FMT_SOURCES src/fmt.cc) +elseif (FMT_OS) + set(FMT_SOURCES src/format.cc src/os.cc) +else() + set(FMT_SOURCES src/format.cc) +endif () + +add_library(fmt ${FMT_SOURCES} ${FMT_HEADERS} README.rst ChangeLog.rst) +add_library(fmt::fmt ALIAS fmt) + +if (FMT_WERROR) + target_compile_options(fmt PRIVATE ${WERROR_FLAG}) +endif () +if (FMT_PEDANTIC) + target_compile_options(fmt PRIVATE ${PEDANTIC_COMPILE_FLAGS}) +endif () +if (FMT_MODULE) + enable_module(fmt) +endif () + +target_compile_features(fmt INTERFACE ${FMT_REQUIRED_FEATURES}) + +target_include_directories(fmt ${FMT_SYSTEM_HEADERS_ATTRIBUTE} PUBLIC + $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> + $<INSTALL_INTERFACE:${FMT_INC_DIR}>) + +set(FMT_DEBUG_POSTFIX d CACHE STRING "Debug library postfix.") + +set_target_properties(fmt PROPERTIES + VERSION ${FMT_VERSION} SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR} + PUBLIC_HEADER "${FMT_HEADERS}" + DEBUG_POSTFIX "${FMT_DEBUG_POSTFIX}") + +# Set FMT_LIB_NAME for pkg-config fmt.pc. We cannot use the OUTPUT_NAME target +# property because it's not set by default. +set(FMT_LIB_NAME fmt) +if (CMAKE_BUILD_TYPE STREQUAL "Debug") + set(FMT_LIB_NAME ${FMT_LIB_NAME}${FMT_DEBUG_POSTFIX}) +endif () + +if (BUILD_SHARED_LIBS) + target_compile_definitions(fmt PRIVATE FMT_EXPORT INTERFACE FMT_SHARED) +endif () +if (FMT_SAFE_DURATION_CAST) + target_compile_definitions(fmt PUBLIC FMT_SAFE_DURATION_CAST) +endif() + +add_library(fmt-header-only INTERFACE) +add_library(fmt::fmt-header-only ALIAS fmt-header-only) + +target_compile_definitions(fmt-header-only INTERFACE FMT_HEADER_ONLY=1) +target_compile_features(fmt-header-only INTERFACE ${FMT_REQUIRED_FEATURES}) + +target_include_directories(fmt-header-only ${FMT_SYSTEM_HEADERS_ATTRIBUTE} INTERFACE + $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> + $<INSTALL_INTERFACE:${FMT_INC_DIR}>) + +# Install targets. +if (FMT_INSTALL) + include(CMakePackageConfigHelpers) + set_verbose(FMT_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/fmt CACHE STRING + "Installation directory for cmake files, a relative path that " + "will be joined with ${CMAKE_INSTALL_PREFIX} or an absolute " + "path.") + set(version_config ${PROJECT_BINARY_DIR}/fmt-config-version.cmake) + set(project_config ${PROJECT_BINARY_DIR}/fmt-config.cmake) + set(pkgconfig ${PROJECT_BINARY_DIR}/fmt.pc) + set(targets_export_name fmt-targets) + + set_verbose(FMT_LIB_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING + "Installation directory for libraries, a relative path that " + "will be joined to ${CMAKE_INSTALL_PREFIX} or an absolute path.") + + set_verbose(FMT_PKGCONFIG_DIR ${CMAKE_INSTALL_LIBDIR}/pkgconfig CACHE PATH + "Installation directory for pkgconfig (.pc) files, a relative " + "path that will be joined with ${CMAKE_INSTALL_PREFIX} or an " + "absolute path.") + + # Generate the version, config and target files into the build directory. + write_basic_package_version_file( + ${version_config} + VERSION ${FMT_VERSION} + COMPATIBILITY AnyNewerVersion) + + join_paths(libdir_for_pc_file "\${exec_prefix}" "${FMT_LIB_DIR}") + join_paths(includedir_for_pc_file "\${prefix}" "${FMT_INC_DIR}") + + configure_file( + "${PROJECT_SOURCE_DIR}/support/cmake/fmt.pc.in" + "${pkgconfig}" + @ONLY) + configure_package_config_file( + ${PROJECT_SOURCE_DIR}/support/cmake/fmt-config.cmake.in + ${project_config} + INSTALL_DESTINATION ${FMT_CMAKE_DIR}) + + set(INSTALL_TARGETS fmt fmt-header-only) + + # Install the library and headers. + install(TARGETS ${INSTALL_TARGETS} EXPORT ${targets_export_name} + LIBRARY DESTINATION ${FMT_LIB_DIR} + ARCHIVE DESTINATION ${FMT_LIB_DIR} + PUBLIC_HEADER DESTINATION "${FMT_INC_DIR}/fmt" + FRAMEWORK DESTINATION "." + RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}) + + # Use a namespace because CMake provides better diagnostics for namespaced + # imported targets. + export(TARGETS ${INSTALL_TARGETS} NAMESPACE fmt:: + FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake) + + # Install version, config and target files. + install( + FILES ${project_config} ${version_config} + DESTINATION ${FMT_CMAKE_DIR}) + install(EXPORT ${targets_export_name} DESTINATION ${FMT_CMAKE_DIR} + NAMESPACE fmt::) + + install(FILES $<TARGET_PDB_FILE:${INSTALL_TARGETS}> + DESTINATION ${FMT_LIB_DIR} OPTIONAL) + install(FILES "${pkgconfig}" DESTINATION "${FMT_PKGCONFIG_DIR}") +endif () + +if (FMT_DOC) + add_subdirectory(doc) +endif () + +if (FMT_TEST) + enable_testing() + add_subdirectory(test) +endif () + +# Control fuzzing independent of the unit tests. +if (FMT_FUZZ) + add_subdirectory(test/fuzzing) + + # The FMT_FUZZ macro is used to prevent resource exhaustion in fuzzing + # mode and make fuzzing practically possible. It is similar to + # FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION but uses a different name to + # avoid interfering with fuzzing of projects that use {fmt}. + # See also https://llvm.org/docs/LibFuzzer.html#fuzzer-friendly-build-mode. + target_compile_definitions(fmt PUBLIC FMT_FUZZ) +endif () + +set(gitignore ${PROJECT_SOURCE_DIR}/.gitignore) +if (FMT_MASTER_PROJECT AND EXISTS ${gitignore}) + # Get the list of ignored files from .gitignore. + file (STRINGS ${gitignore} lines) + list(REMOVE_ITEM lines /doc/html) + foreach (line ${lines}) + string(REPLACE "." "[.]" line "${line}") + string(REPLACE "*" ".*" line "${line}") + set(ignored_files ${ignored_files} "${line}$" "${line}/") + endforeach () + set(ignored_files ${ignored_files} + /.git /breathe /format-benchmark sphinx/ .buildinfo .doctrees) + + set(CPACK_SOURCE_GENERATOR ZIP) + set(CPACK_SOURCE_IGNORE_FILES ${ignored_files}) + set(CPACK_SOURCE_PACKAGE_FILE_NAME fmt-${FMT_VERSION}) + set(CPACK_PACKAGE_NAME fmt) + set(CPACK_RESOURCE_FILE_README ${PROJECT_SOURCE_DIR}/README.rst) + include(CPack) +endif () |