diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 147 |
1 files changed, 105 insertions, 42 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 0a17358f..f21cf456 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,10 +1,8 @@ -cmake_minimum_required(VERSION 3.1.0) +cmake_minimum_required(VERSION 3.1...3.18) -# Use newer policies if available, up to most recent tested version of CMake. -if(${CMAKE_VERSION} VERSION_LESS 3.11) +# Fallback for using newer policies on CMake <3.12. +if(${CMAKE_VERSION} VERSION_LESS 3.12) cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}) -else() - cmake_policy(VERSION 3.11) endif() # Determine if fmt is built as a subproject (using add_subdirectory) @@ -24,15 +22,40 @@ function(join result_var) set(${result_var} "${result}" PARENT_SCOPE) 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 (MASTER_PROJECT AND NOT CMAKE_BUILD_TYPE) - join(doc "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or " - "CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.") - set(CMAKE_BUILD_TYPE Release CACHE STRING ${doc}) + 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) @@ -42,8 +65,8 @@ option(FMT_DOC "Generate the doc target." ${MASTER_PROJECT}) option(FMT_INSTALL "Generate the install target." ${MASTER_PROJECT}) option(FMT_TEST "Generate the test target." ${MASTER_PROJECT}) option(FMT_FUZZ "Generate the fuzz target." OFF) - -project(FMT CXX) +option(FMT_CUDA_TEST "Generate the cuda-test target." OFF) +option(FMT_OS "Include core requiring OS (Windows/Posix) " ON) # Get version from core.h file(READ include/fmt/core.h core_h) @@ -60,26 +83,35 @@ message(STATUS "Version: ${FMT_VERSION}") message(STATUS "Build type: ${CMAKE_BUILD_TYPE}") -set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin) +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(CheckCXXCompilerFlag) +include(JoinPaths) -set(FMT_REQUIRED_FEATURES cxx_auto_type cxx_variadic_templates) +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 (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 -Wnon-virtual-dtor + -Wcast-align -Wctor-dtor-privacy -Wdisabled-optimization -Winvalid-pch -Woverloaded-virtual - -Wconversion -Wswitch-enum - -Wno-ctor-dtor-privacy -Wno-format-nonliteral -Wno-shadow) + -Wconversion -Wswitch-enum -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} -Wnoexcept -Wno-dangling-else -Wno-unused-local-typedefs) @@ -97,8 +129,8 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "GNU") endif () if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") - set(PEDANTIC_COMPILE_FLAGS -Wall -Wextra -pedantic -Wconversion - -Wno-sign-conversion -Wdeprecated -Wweak-vtables) + set(PEDANTIC_COMPILE_FLAGS -Wall -Wextra -pedantic -Wconversion -Wundef + -Wdeprecated -Wweak-vtables) check_cxx_compiler_flag(-Wzero-as-null-pointer-constant HAS_NULLPTR_WARNING) if (HAS_NULLPTR_WARNING) set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} @@ -122,7 +154,9 @@ if (MASTER_PROJECT AND CMAKE_GENERATOR MATCHES "Visual Studio") set(MSBUILD_SETUP "call \"${WINSDK_SETENV}\"") endif () # Set FrameworkPathOverride to get rid of MSB3644 warnings. - set(netfxpath "C:\\Program Files\\Reference Assemblies\\Microsoft\\Framework\\.NETFramework\\v4.0") + 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}\" %*") @@ -150,8 +184,12 @@ endfunction() # Define the fmt library, its includes and the needed defines. add_headers(FMT_HEADERS chrono.h color.h compile.h core.h format.h format-inl.h - locale.h ostream.h posix.h printf.h ranges.h) -set(FMT_SOURCES src/format.cc src/posix.cc) + locale.h os.h ostream.h posix.h printf.h ranges.h) +if (FMT_OS) + set(FMT_SOURCES src/format.cc src/os.cc) +else() + set(FMT_SOURCES src/format.cc) +endif () add_library(fmt ${FMT_SOURCES} ${FMT_HEADERS} README.rst ChangeLog.rst) add_library(fmt::fmt ALIAS fmt) @@ -160,6 +198,13 @@ if (HAVE_STRTOD_L) target_compile_definitions(fmt PUBLIC FMT_LOCALE) endif () +if (MINGW) + check_cxx_compiler_flag("Wa,-mbig-obj" FMT_HAS_MBIG_OBJ) + if (${FMT_HAS_MBIG_OBJ}) + target_compile_options(fmt PUBLIC "-Wa,-mbig-obj") + endif() +endif () + if (FMT_WERROR) target_compile_options(fmt PRIVATE ${WERROR_FLAG}) endif () @@ -171,14 +216,24 @@ target_compile_features(fmt INTERFACE ${FMT_REQUIRED_FEATURES}) target_include_directories(fmt PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> - $<INSTALL_INTERFACE: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 ${CPACK_PACKAGE_VERSION_MAJOR} - DEBUG_POSTFIX d) + DEBUG_POSTFIX "${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) - if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS") + if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS" AND + NOT EMSCRIPTEN) # Fix rpmlint warning: # unused-direct-shlib-dependency /usr/lib/libformat.so.1.1.0 /lib/libm.so.6. target_link_libraries(fmt -Wl,--as-needed) @@ -193,43 +248,42 @@ 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 INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include> - $<INSTALL_INTERFACE:include>) + $<INSTALL_INTERFACE:${FMT_INC_DIR}>) # Install targets. if (FMT_INSTALL) - include(GNUInstallDirs) include(CMakePackageConfigHelpers) - set(FMT_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/fmt CACHE STRING - "Installation directory for cmake files, relative to ${CMAKE_INSTALL_PREFIX}.") + 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 (INSTALL_TARGETS fmt) - if (TARGET fmt-header-only) - set(INSTALL_TARGETS ${INSTALL_TARGETS} fmt-header-only) - endif () - - set(FMT_LIB_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING - "Installation directory for libraries, relative to ${CMAKE_INSTALL_PREFIX}.") - - set(FMT_INC_DIR ${CMAKE_INSTALL_INCLUDEDIR}/fmt CACHE STRING - "Installation directory for include files, relative to ${CMAKE_INSTALL_PREFIX}.") + 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(FMT_PKGCONFIG_DIR ${CMAKE_INSTALL_LIBDIR}/pkgconfig CACHE PATH - "Installation directory for pkgconfig (.pc) files, relative to ${CMAKE_INSTALL_PREFIX}.") + 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}" @@ -238,6 +292,8 @@ if (FMT_INSTALL) ${PROJECT_SOURCE_DIR}/support/cmake/fmt-config.cmake.in ${project_config} INSTALL_DESTINATION ${FMT_CMAKE_DIR}) + + set(INSTALL_TARGETS fmt fmt-header-only) # Use a namespace because CMake provides better diagnostics for namespaced # imported targets. export(TARGETS ${INSTALL_TARGETS} NAMESPACE fmt:: @@ -258,7 +314,7 @@ if (FMT_INSTALL) install(FILES $<TARGET_PDB_FILE:${INSTALL_TARGETS}> DESTINATION ${FMT_LIB_DIR} OPTIONAL) - install(FILES ${FMT_HEADERS} DESTINATION ${FMT_INC_DIR}) + install(FILES ${FMT_HEADERS} DESTINATION "${FMT_INC_DIR}/fmt") install(FILES "${pkgconfig}" DESTINATION "${FMT_PKGCONFIG_DIR}") endif () @@ -274,13 +330,20 @@ 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 (MASTER_PROJECT AND EXISTS ${gitignore}) # Get the list of ignored files from .gitignore. file (STRINGS ${gitignore} lines) - LIST(REMOVE_ITEM lines /doc/html) + list(REMOVE_ITEM lines /doc/html) foreach (line ${lines}) string(REPLACE "." "[.]" line "${line}") string(REPLACE "*" ".*" line "${line}") |