f9fac58eb9
Include directories for target fmt was splitted into INTERFACE and PRIVATE. INTERFACE includes was marked as SYSTEM to suppress warnings in targets that are linking fmt:fmt. PRIVATE includes are left as normal includes so that warnings still occur when building fmt. Includes for fmt-header-only are now marked as SYSTEM.
352 lines
12 KiB
CMake
352 lines
12 KiB
CMake
cmake_minimum_required(VERSION 3.1...3.18)
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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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set(MASTER_PROJECT OFF)
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if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
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set(MASTER_PROJECT ON)
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message(STATUS "CMake version: ${CMAKE_VERSION}")
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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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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 (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 "
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"that will be joined to ${CMAKE_INSTALL_PREFIX}, or an arbitrary absolute path.")
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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." ${MASTER_PROJECT})
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option(FMT_INSTALL "Generate the install target." ${MASTER_PROJECT})
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option(FMT_TEST "Generate the test target." ${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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# 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 (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} -Wnoexcept
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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)
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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)
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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 ${PEDANTIC_COMPILE_FLAGS}
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-Wzero-as-null-pointer-constant)
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endif ()
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set(WERROR_FLAG -Werror)
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endif ()
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if (MSVC)
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set(PEDANTIC_COMPILE_FLAGS /W3)
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set(WERROR_FLAG /WX)
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endif ()
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if (MASTER_PROJECT AND CMAKE_GENERATOR MATCHES "Visual Studio")
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# If Microsoft SDK is installed create script run-msbuild.bat that
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# calls SetEnv.cmd to set up build environment and runs msbuild.
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# It is useful when building Visual Studio projects with the SDK
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# toolchain rather than Visual Studio.
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include(FindSetEnv)
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if (WINSDK_SETENV)
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set(MSBUILD_SETUP "call \"${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 chrono.h color.h compile.h core.h format.h format-inl.h
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locale.h os.h ostream.h posix.h printf.h ranges.h)
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if (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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target_compile_options(fmt PUBLIC "-Wa,-mbig-obj")
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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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target_compile_features(fmt INTERFACE ${FMT_REQUIRED_FEATURES})
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target_include_directories(fmt PRIVATE ${PROJECT_SOURCE_DIR}/include)
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target_include_directories(fmt SYSTEM INTERFACE
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$<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 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 ${FMT_REQUIRED_FEATURES})
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target_include_directories(fmt-header-only SYSTEM INTERFACE
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$<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 "
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"that will be joined to ${CMAKE_INSTALL_PREFIX}, or an arbitrary absolute 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 "
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"that will be joined to ${CMAKE_INSTALL_PREFIX}, or an arbitrary 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 path "
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"that will be joined to ${CMAKE_INSTALL_PREFIX}, or an arbitrary absolute path.")
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# Generate the version, config and target files into the build directory.
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write_basic_package_version_file(
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${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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# 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 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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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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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 (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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