mirror of
https://github.com/fmtlib/fmt.git
synced 2026-04-30 19:09:22 +08:00
Cleanup CMake config more
This commit is contained in:
Victor Zverovich
parent
e3a149f23c
commit
43d4810ba9
154
CMakeLists.txt
154
CMakeLists.txt
@ -26,23 +26,12 @@ function(join result_var)
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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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# set_verbose(<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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function(set_verbose variable value _cache type)
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join(doc ${ARGN})
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set(${var} ${val} CACHE ${type} ${doc})
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set(${variable} ${value} CACHE ${type} ${doc})
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endfunction()
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# Set the default CMAKE_BUILD_TYPE to Release.
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@ -73,16 +62,6 @@ if (CMAKE_VERSION VERSION_GREATER_EQUAL 3.28 AND
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endif ()
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endif ()
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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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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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@ -92,12 +71,23 @@ option(FMT_OS "Include OS-specific APIs." ON)
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option(FMT_MODULE "Build a module library." ${FMT_USE_CMAKE_MODULES})
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option(FMT_SYSTEM_HEADERS "Expose headers with marking them as system." OFF)
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option(FMT_UNICODE "Enable Unicode support." ON)
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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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set(FMT_SYSTEM_HEADERS_ATTRIBUTE "")
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if (FMT_SYSTEM_HEADERS)
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set(FMT_SYSTEM_HEADERS_ATTRIBUTE SYSTEM)
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endif ()
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include(GNUInstallDirs) # CMAKE_INSTALL_INCLUDEDIR
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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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set(FMT_DEBUG_POSTFIX d CACHE STRING "Debug library postfix.")
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# Get version from base.h
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file(READ include/fmt/base.h base_h)
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if (NOT base_h MATCHES "FMT_VERSION ([0-9]+)([0-9][0-9])([0-9][0-9])")
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@ -124,7 +114,7 @@ include(JoinPaths)
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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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"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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@ -132,7 +122,7 @@ 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 "
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"functions")
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"functions.")
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endif ()
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if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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@ -202,31 +192,42 @@ if (FMT_MASTER_PROJECT AND CMAKE_GENERATOR MATCHES "Visual Studio")
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${CMAKE_MAKE_PROGRAM} -p:FrameworkPathOverride=\"${netfxpath}\" %*")
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endif ()
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function(set_include_directories target kind)
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# Sets up a top-level fmt target. Targets that depend on other top-level targets
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# should call this because they'll automatically get the required properties.
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function(setup_target target kind)
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add_library(fmt::${target} ALIAS ${target})
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target_include_directories(${target}
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${FMT_SYSTEM_HEADERS_ATTRIBUTE} BEFORE ${kind}
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:${FMT_INC_DIR}>)
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if (NOT MSVC)
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# Unicode is always supported on compilers other than MSVC.
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elseif (FMT_UNICODE)
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# Unicode support requires compiling with /utf-8.
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target_compile_options(${target} ${kind}
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CXX_COMPILER_ID:MSVC>>:/utf-8>)
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else ()
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target_compile_definitions(${target} ${kind} FMT_UNICODE=0)
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endif ()
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set_target_properties(${target} PROPERTIES
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VERSION ${FMT_VERSION}
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SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR}
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DEBUG_POSTFIX "${FMT_DEBUG_POSTFIX}")
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endfunction()
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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 configuration macros.
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set(FMT_HEADERS)
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add_headers(FMT_HEADERS args.h base.h chrono.h color.h compile.h core.h format.h
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format-inl.h os.h ostream.h printf.h ranges.h std.h
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xchar.h)
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set(FMT_SOURCES src/format.cc)
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foreach (header args.h base.h chrono.h color.h compile.h core.h format.h
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format-inl.h os.h ostream.h printf.h ranges.h std.h xchar.h)
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set(FMT_HEADERS ${FMT_HEADERS} include/fmt/${header})
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endforeach()
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add_library(fmt ${FMT_SOURCES} ${FMT_HEADERS} README.md ChangeLog.md)
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add_library(fmt::fmt ALIAS fmt)
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set_include_directories(fmt PUBLIC)
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# Add the main fmt library.
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add_library(fmt src/format.cc ${FMT_HEADERS} README.md ChangeLog.md)
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setup_target(fmt PUBLIC)
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set_target_properties(fmt PROPERTIES PUBLIC_HEADER "${FMT_HEADERS}")
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if (FMT_OS)
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target_sources(fmt PRIVATE src/os.cc)
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@ -247,21 +248,6 @@ else ()
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message(WARNING "Feature cxx_std_11 is unknown for the CXX compiler")
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endif ()
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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 ${CPACK_PACKAGE_VERSION_MAJOR}
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PUBLIC_HEADER "${FMT_HEADERS}"
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DEBUG_POSTFIX "${FMT_DEBUG_POSTFIX}"
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# Workaround for Visual Studio 2017:
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# Ensure the .pdb is created with the same name and in the same directory
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# as the .lib. Newer VS versions already do this by default, but there is no
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# harm in setting it for those too. Ignored by other generators.
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COMPILE_PDB_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}"
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COMPILE_PDB_NAME "fmt"
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COMPILE_PDB_NAME_DEBUG "fmt${FMT_DEBUG_POSTFIX}")
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# Set FMT_LIB_NAME for pkg-config fmt.pc. We cannot use the OUTPUT_NAME target
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# property because it's not set by default.
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set(FMT_LIB_NAME fmt)
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@ -276,20 +262,7 @@ if (FMT_SAFE_DURATION_CAST)
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target_compile_definitions(fmt PUBLIC FMT_SAFE_DURATION_CAST)
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endif ()
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# DEPRECATED! Should be merged into add_module_library.
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function(enable_module target)
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if (MSVC)
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if (NOT CMAKE_GENERATOR STREQUAL "Ninja")
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set(BMI_DIR "${CMAKE_CURRENT_BINARY_DIR}")
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file(TO_NATIVE_PATH "${BMI_DIR}/${target}.ifc" BMI)
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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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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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endif ()
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endif ()
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endfunction()
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include(CMakeParseArguments)
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# Adds a library compiled with C++20 module support.
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#
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@ -305,6 +278,18 @@ function(add_module_library name)
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# Modules require C++20.
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target_compile_features(${name} PUBLIC cxx_std_20)
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if (MSVC)
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if (NOT CMAKE_GENERATOR STREQUAL "Ninja")
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set(BMI_DIR "${CMAKE_CURRENT_BINARY_DIR}")
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file(TO_NATIVE_PATH "${BMI_DIR}/${name}.ifc" BMI)
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target_compile_options(${name}
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PRIVATE /interface /ifcOutput ${BMI}
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INTERFACE /reference fmt=${BMI})
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set_target_properties(${name} PROPERTIES ADDITIONAL_CLEAN_FILES ${BMI})
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set_source_files_properties(${BMI} PROPERTIES GENERATED ON)
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endif ()
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endif ()
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if (${AML_USE_CMAKE_MODULES})
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target_sources(${name} PUBLIC FILE_SET fmt TYPE CXX_MODULES
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FILES ${sources})
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@ -362,35 +347,14 @@ endfunction()
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if (FMT_MODULE)
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add_module_library(fmt-module src/fmt.cc
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USE_CMAKE_MODULES ${FMT_USE_CMAKE_MODULES})
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add_library(fmt::fmt-module ALIAS fmt-module)
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set_include_directories(fmt-module PUBLIC)
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enable_module(fmt-module)
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set_target_properties(fmt-module PROPERTIES
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VERSION ${FMT_VERSION}
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SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR}
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DEBUG_POSTFIX "${FMT_DEBUG_POSTFIX}")
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setup_target(fmt-module PUBLIC)
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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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if (NOT MSVC)
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# Unicode is always supported on compilers other than MSVC.
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elseif (FMT_UNICODE)
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# Unicode support requires compiling with /utf-8.
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target_compile_options(fmt PUBLIC $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CXX_COMPILER_ID:MSVC>>:/utf-8>)
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target_compile_options(fmt-header-only INTERFACE $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CXX_COMPILER_ID:MSVC>>:/utf-8>)
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if (FMT_MODULE)
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target_compile_options(fmt-module PUBLIC $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CXX_COMPILER_ID:MSVC>>:/utf-8>)
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endif ()
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else ()
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target_compile_definitions(fmt PUBLIC FMT_UNICODE=0)
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endif ()
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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 cxx_std_11)
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set_include_directories(fmt-header-only INTERFACE)
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setup_target(fmt-header-only INTERFACE)
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add_library(fmt-c STATIC src/fmt-c.cc)
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target_compile_features(fmt-c INTERFACE c_std_11)
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