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410 lines
14 KiB
410 lines
14 KiB
cmake_minimum_required(VERSION 3.1...3.18) |
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|
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# Fallback for using newer policies on CMake <3.12. |
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if(${CMAKE_VERSION} VERSION_LESS 3.12) |
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cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}) |
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endif() |
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# Determine if fmt is built as a subproject (using add_subdirectory) |
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# or if it is the master project. |
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if (NOT DEFINED FMT_MASTER_PROJECT) |
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set(FMT_MASTER_PROJECT OFF) |
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if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR) |
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set(FMT_MASTER_PROJECT ON) |
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message(STATUS "CMake version: ${CMAKE_VERSION}") |
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endif () |
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endif () |
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# Joins arguments and places the results in ${result_var}. |
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function(join result_var) |
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set(result "") |
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foreach (arg ${ARGN}) |
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set(result "${result}${arg}") |
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endforeach () |
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set(${result_var} "${result}" PARENT_SCOPE) |
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endfunction() |
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function(enable_module target) |
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if (MSVC) |
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set(BMI ${CMAKE_CURRENT_BINARY_DIR}/${target}.ifc) |
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target_compile_options(${target} |
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PRIVATE /interface /ifcOutput ${BMI} |
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INTERFACE /reference fmt=${BMI}) |
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endif () |
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set_target_properties(${target} PROPERTIES ADDITIONAL_CLEAN_FILES ${BMI}) |
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set_source_files_properties(${BMI} PROPERTIES GENERATED ON) |
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endfunction() |
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include(CMakeParseArguments) |
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# Sets a cache variable with a docstring joined from multiple arguments: |
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# set(<variable> <value>... CACHE <type> <docstring>...) |
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# This allows splitting a long docstring for readability. |
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function(set_verbose) |
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# cmake_parse_arguments is broken in CMake 3.4 (cannot parse CACHE) so use |
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# list instead. |
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list(GET ARGN 0 var) |
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list(REMOVE_AT ARGN 0) |
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list(GET ARGN 0 val) |
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list(REMOVE_AT ARGN 0) |
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list(REMOVE_AT ARGN 0) |
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list(GET ARGN 0 type) |
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list(REMOVE_AT ARGN 0) |
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join(doc ${ARGN}) |
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set(${var} ${val} CACHE ${type} ${doc}) |
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endfunction() |
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# Set the default CMAKE_BUILD_TYPE to Release. |
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# This should be done before the project command since the latter can set |
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# CMAKE_BUILD_TYPE itself (it does so for nmake). |
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if (FMT_MASTER_PROJECT AND NOT CMAKE_BUILD_TYPE) |
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set_verbose(CMAKE_BUILD_TYPE Release CACHE STRING |
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"Choose the type of build, options are: None(CMAKE_CXX_FLAGS or " |
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"CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.") |
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endif () |
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project(FMT CXX) |
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include(GNUInstallDirs) |
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set_verbose(FMT_INC_DIR ${CMAKE_INSTALL_INCLUDEDIR} CACHE STRING |
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"Installation directory for include files, a relative path that " |
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"will be joined with ${CMAKE_INSTALL_PREFIX} or an absolute path.") |
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|
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option(FMT_PEDANTIC "Enable extra warnings and expensive tests." OFF) |
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option(FMT_WERROR "Halt the compilation with an error on compiler warnings." |
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OFF) |
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# Options that control generation of various targets. |
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option(FMT_DOC "Generate the doc target." ${FMT_MASTER_PROJECT}) |
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option(FMT_INSTALL "Generate the install target." ${FMT_MASTER_PROJECT}) |
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option(FMT_TEST "Generate the test target." ${FMT_MASTER_PROJECT}) |
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option(FMT_FUZZ "Generate the fuzz target." OFF) |
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option(FMT_CUDA_TEST "Generate the cuda-test target." OFF) |
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option(FMT_OS "Include core requiring OS (Windows/Posix) " ON) |
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option(FMT_MODULE "Build a module instead of a traditional library." OFF) |
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set(FMT_CAN_MODULE OFF) |
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if (CMAKE_CXX_STANDARD GREATER 17 AND |
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# msvc 16.10-pre4 |
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MSVC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 19.29.30035) |
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set(FMT_CAN_MODULE ON) |
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endif () |
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if (NOT FMT_CAN_MODULE) |
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set(FMT_MODULE OFF) |
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message(STATUS "Module support is disabled.") |
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endif () |
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if (FMT_TEST AND FMT_MODULE) |
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# The tests require {fmt} to be compiled as traditional library |
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message(STATUS "Testing is incompatible with build mode 'module'.") |
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endif () |
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|
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# Get version from core.h |
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file(READ include/fmt/core.h core_h) |
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if (NOT core_h MATCHES "FMT_VERSION ([0-9]+)([0-9][0-9])([0-9][0-9])") |
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message(FATAL_ERROR "Cannot get FMT_VERSION from core.h.") |
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endif () |
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# Use math to skip leading zeros if any. |
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math(EXPR CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1}) |
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math(EXPR CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2}) |
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math(EXPR CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3}) |
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join(FMT_VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}. |
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${CPACK_PACKAGE_VERSION_PATCH}) |
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message(STATUS "Version: ${FMT_VERSION}") |
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message(STATUS "Build type: ${CMAKE_BUILD_TYPE}") |
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if (NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY) |
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin) |
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endif () |
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} |
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"${CMAKE_CURRENT_SOURCE_DIR}/support/cmake") |
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include(cxx14) |
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include(CheckCXXCompilerFlag) |
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include(JoinPaths) |
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list(FIND CMAKE_CXX_COMPILE_FEATURES "cxx_variadic_templates" index) |
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if (${index} GREATER -1) |
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# Use cxx_variadic_templates instead of more appropriate cxx_std_11 for |
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# compatibility with older CMake versions. |
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set(FMT_REQUIRED_FEATURES cxx_variadic_templates) |
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endif () |
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message(STATUS "Required features: ${FMT_REQUIRED_FEATURES}") |
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if (FMT_MASTER_PROJECT AND NOT DEFINED CMAKE_CXX_VISIBILITY_PRESET) |
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set_verbose(CMAKE_CXX_VISIBILITY_PRESET hidden CACHE STRING |
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"Preset for the export of private symbols") |
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set_property(CACHE CMAKE_CXX_VISIBILITY_PRESET PROPERTY STRINGS |
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hidden default) |
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endif () |
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if (FMT_MASTER_PROJECT AND NOT DEFINED CMAKE_VISIBILITY_INLINES_HIDDEN) |
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set_verbose(CMAKE_VISIBILITY_INLINES_HIDDEN ON CACHE BOOL |
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"Whether to add a compile flag to hide symbols of inline functions") |
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endif () |
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if (CMAKE_CXX_COMPILER_ID MATCHES "GNU") |
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set(PEDANTIC_COMPILE_FLAGS -pedantic-errors -Wall -Wextra -pedantic |
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-Wold-style-cast -Wundef |
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-Wredundant-decls -Wwrite-strings -Wpointer-arith |
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-Wcast-qual -Wformat=2 -Wmissing-include-dirs |
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-Wcast-align |
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-Wctor-dtor-privacy -Wdisabled-optimization |
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-Winvalid-pch -Woverloaded-virtual |
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-Wconversion -Wswitch-enum -Wundef |
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-Wno-ctor-dtor-privacy -Wno-format-nonliteral) |
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6) |
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set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} |
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-Wno-dangling-else -Wno-unused-local-typedefs) |
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endif () |
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) |
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set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wdouble-promotion |
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-Wtrampolines -Wzero-as-null-pointer-constant -Wuseless-cast |
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-Wvector-operation-performance -Wsized-deallocation -Wshadow) |
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endif () |
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0) |
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set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wshift-overflow=2 |
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-Wnull-dereference -Wduplicated-cond) |
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endif () |
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set(WERROR_FLAG -Werror) |
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endif () |
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") |
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set(PEDANTIC_COMPILE_FLAGS -Wall -Wextra -pedantic -Wconversion -Wundef |
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-Wdeprecated -Wweak-vtables -Wshadow |
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-Wno-gnu-zero-variadic-macro-arguments) |
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check_cxx_compiler_flag(-Wzero-as-null-pointer-constant HAS_NULLPTR_WARNING) |
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if (HAS_NULLPTR_WARNING) |
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set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} |
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-Wzero-as-null-pointer-constant) |
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endif () |
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set(WERROR_FLAG -Werror) |
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endif () |
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if (MSVC) |
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set(PEDANTIC_COMPILE_FLAGS /W3) |
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set(WERROR_FLAG /WX) |
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endif () |
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if (FMT_MASTER_PROJECT AND CMAKE_GENERATOR MATCHES "Visual Studio") |
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# If Microsoft SDK is installed create script run-msbuild.bat that |
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# calls SetEnv.cmd to set up build environment and runs msbuild. |
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# It is useful when building Visual Studio projects with the SDK |
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# toolchain rather than Visual Studio. |
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include(FindSetEnv) |
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if (WINSDK_SETENV) |
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set(MSBUILD_SETUP "call \"${WINSDK_SETENV}\"") |
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endif () |
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# Set FrameworkPathOverride to get rid of MSB3644 warnings. |
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join(netfxpath |
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"C:\\Program Files\\Reference Assemblies\\Microsoft\\Framework\\" |
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".NETFramework\\v4.0") |
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file(WRITE run-msbuild.bat " |
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${MSBUILD_SETUP} |
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${CMAKE_MAKE_PROGRAM} -p:FrameworkPathOverride=\"${netfxpath}\" %*") |
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endif () |
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set(strtod_l_headers stdlib.h) |
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if (APPLE) |
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set(strtod_l_headers ${strtod_l_headers} xlocale.h) |
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endif () |
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include(CheckSymbolExists) |
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if (WIN32) |
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check_symbol_exists(_strtod_l "${strtod_l_headers}" HAVE_STRTOD_L) |
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else () |
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check_symbol_exists(strtod_l "${strtod_l_headers}" HAVE_STRTOD_L) |
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endif () |
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function(add_headers VAR) |
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set(headers ${${VAR}}) |
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foreach (header ${ARGN}) |
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set(headers ${headers} include/fmt/${header}) |
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endforeach() |
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set(${VAR} ${headers} PARENT_SCOPE) |
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endfunction() |
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# Define the fmt library, its includes and the needed defines. |
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add_headers(FMT_HEADERS args.h chrono.h color.h compile.h core.h format.h |
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format-inl.h locale.h os.h ostream.h printf.h ranges.h |
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xchar.h) |
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if (FMT_MODULE) |
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set(FMT_SOURCES src/fmt.cc) |
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elseif (FMT_OS) |
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set(FMT_SOURCES src/format.cc src/os.cc) |
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else() |
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set(FMT_SOURCES src/format.cc) |
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endif () |
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add_library(fmt ${FMT_SOURCES} ${FMT_HEADERS} README.rst ChangeLog.rst) |
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add_library(fmt::fmt ALIAS fmt) |
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if (HAVE_STRTOD_L) |
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target_compile_definitions(fmt PUBLIC FMT_LOCALE) |
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endif () |
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if (MINGW) |
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check_cxx_compiler_flag("Wa,-mbig-obj" FMT_HAS_MBIG_OBJ) |
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if (${FMT_HAS_MBIG_OBJ}) |
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target_compile_options(fmt PUBLIC "-Wa,-mbig-obj") |
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endif() |
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endif () |
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if (FMT_WERROR) |
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target_compile_options(fmt PRIVATE ${WERROR_FLAG}) |
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endif () |
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if (FMT_PEDANTIC) |
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target_compile_options(fmt PRIVATE ${PEDANTIC_COMPILE_FLAGS}) |
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endif () |
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if (FMT_MODULE) |
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enable_module(fmt) |
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endif () |
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target_compile_features(fmt INTERFACE ${FMT_REQUIRED_FEATURES}) |
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target_include_directories(fmt PUBLIC |
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> |
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$<INSTALL_INTERFACE:${FMT_INC_DIR}>) |
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set(FMT_DEBUG_POSTFIX d CACHE STRING "Debug library postfix.") |
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set_target_properties(fmt PROPERTIES |
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VERSION ${FMT_VERSION} SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR} |
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DEBUG_POSTFIX "${FMT_DEBUG_POSTFIX}") |
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# Set FMT_LIB_NAME for pkg-config fmt.pc. We cannot use the OUTPUT_NAME target |
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# property because it's not set by default. |
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set(FMT_LIB_NAME fmt) |
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if (CMAKE_BUILD_TYPE STREQUAL "Debug") |
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set(FMT_LIB_NAME ${FMT_LIB_NAME}${FMT_DEBUG_POSTFIX}) |
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endif () |
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if (BUILD_SHARED_LIBS) |
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if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS" AND |
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NOT EMSCRIPTEN) |
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# Fix rpmlint warning: |
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# unused-direct-shlib-dependency /usr/lib/libformat.so.1.1.0 /lib/libm.so.6. |
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target_link_libraries(fmt -Wl,--as-needed) |
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endif () |
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target_compile_definitions(fmt PRIVATE FMT_EXPORT INTERFACE FMT_SHARED) |
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endif () |
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if (FMT_SAFE_DURATION_CAST) |
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target_compile_definitions(fmt PUBLIC FMT_SAFE_DURATION_CAST) |
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endif() |
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add_library(fmt-header-only INTERFACE) |
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add_library(fmt::fmt-header-only ALIAS fmt-header-only) |
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target_compile_definitions(fmt-header-only INTERFACE FMT_HEADER_ONLY=1) |
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target_compile_features(fmt-header-only INTERFACE ${FMT_REQUIRED_FEATURES}) |
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target_include_directories(fmt-header-only INTERFACE |
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> |
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$<INSTALL_INTERFACE:${FMT_INC_DIR}>) |
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# Install targets. |
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if (FMT_INSTALL) |
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include(CMakePackageConfigHelpers) |
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set_verbose(FMT_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/fmt CACHE STRING |
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"Installation directory for cmake files, a relative path that " |
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"will be joined with ${CMAKE_INSTALL_PREFIX} or an absolute " |
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"path.") |
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set(version_config ${PROJECT_BINARY_DIR}/fmt-config-version.cmake) |
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set(project_config ${PROJECT_BINARY_DIR}/fmt-config.cmake) |
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set(pkgconfig ${PROJECT_BINARY_DIR}/fmt.pc) |
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set(targets_export_name fmt-targets) |
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set_verbose(FMT_LIB_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING |
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"Installation directory for libraries, a relative path that " |
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"will be joined to ${CMAKE_INSTALL_PREFIX} or an absolute path.") |
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set_verbose(FMT_PKGCONFIG_DIR ${CMAKE_INSTALL_LIBDIR}/pkgconfig CACHE PATH |
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"Installation directory for pkgconfig (.pc) files, a relative " |
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"path that will be joined with ${CMAKE_INSTALL_PREFIX} or an " |
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"absolute path.") |
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# Generate the version, config and target files into the build directory. |
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write_basic_package_version_file( |
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${version_config} |
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VERSION ${FMT_VERSION} |
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COMPATIBILITY AnyNewerVersion) |
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join_paths(libdir_for_pc_file "\${exec_prefix}" "${FMT_LIB_DIR}") |
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join_paths(includedir_for_pc_file "\${prefix}" "${FMT_INC_DIR}") |
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configure_file( |
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"${PROJECT_SOURCE_DIR}/support/cmake/fmt.pc.in" |
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"${pkgconfig}" |
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@ONLY) |
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configure_package_config_file( |
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${PROJECT_SOURCE_DIR}/support/cmake/fmt-config.cmake.in |
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${project_config} |
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INSTALL_DESTINATION ${FMT_CMAKE_DIR}) |
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set(INSTALL_TARGETS fmt fmt-header-only) |
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# Install the library and headers. |
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install(TARGETS ${INSTALL_TARGETS} EXPORT ${targets_export_name} |
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LIBRARY DESTINATION ${FMT_LIB_DIR} |
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ARCHIVE DESTINATION ${FMT_LIB_DIR} |
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}) |
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# Use a namespace because CMake provides better diagnostics for namespaced |
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# imported targets. |
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export(TARGETS ${INSTALL_TARGETS} NAMESPACE fmt:: |
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FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake) |
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# Install version, config and target files. |
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install( |
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FILES ${project_config} ${version_config} |
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DESTINATION ${FMT_CMAKE_DIR}) |
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install(EXPORT ${targets_export_name} DESTINATION ${FMT_CMAKE_DIR} |
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NAMESPACE fmt::) |
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install(FILES $<TARGET_PDB_FILE:${INSTALL_TARGETS}> |
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DESTINATION ${FMT_LIB_DIR} OPTIONAL) |
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install(FILES ${FMT_HEADERS} DESTINATION "${FMT_INC_DIR}/fmt") |
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install(FILES "${pkgconfig}" DESTINATION "${FMT_PKGCONFIG_DIR}") |
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endif () |
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if (FMT_DOC) |
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add_subdirectory(doc) |
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endif () |
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if (FMT_TEST) |
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enable_testing() |
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add_subdirectory(test) |
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endif () |
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# Control fuzzing independent of the unit tests. |
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if (FMT_FUZZ) |
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add_subdirectory(test/fuzzing) |
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# The FMT_FUZZ macro is used to prevent resource exhaustion in fuzzing |
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# mode and make fuzzing practically possible. It is similar to |
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# FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION but uses a different name to |
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# avoid interfering with fuzzing of projects that use {fmt}. |
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# See also https://llvm.org/docs/LibFuzzer.html#fuzzer-friendly-build-mode. |
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target_compile_definitions(fmt PUBLIC FMT_FUZZ) |
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endif () |
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set(gitignore ${PROJECT_SOURCE_DIR}/.gitignore) |
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if (FMT_MASTER_PROJECT AND EXISTS ${gitignore}) |
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# Get the list of ignored files from .gitignore. |
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file (STRINGS ${gitignore} lines) |
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list(REMOVE_ITEM lines /doc/html) |
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foreach (line ${lines}) |
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string(REPLACE "." "[.]" line "${line}") |
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string(REPLACE "*" ".*" line "${line}") |
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set(ignored_files ${ignored_files} "${line}$" "${line}/") |
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endforeach () |
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set(ignored_files ${ignored_files} |
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/.git /breathe /format-benchmark sphinx/ .buildinfo .doctrees) |
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set(CPACK_SOURCE_GENERATOR ZIP) |
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set(CPACK_SOURCE_IGNORE_FILES ${ignored_files}) |
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set(CPACK_SOURCE_PACKAGE_FILE_NAME fmt-${FMT_VERSION}) |
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set(CPACK_PACKAGE_NAME fmt) |
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set(CPACK_RESOURCE_FILE_README ${PROJECT_SOURCE_DIR}/README.rst) |
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include(CPack) |
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endif ()
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