136 lines
6.0 KiB
CMake
136 lines
6.0 KiB
CMake
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if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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message (STATUS "The simdjson repository appears to be standalone.")
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option(SIMDJSON_JUST_LIBRARY "Build just the library, omit tests, tools and benchmarks" OFF)
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message (STATUS "By default, we attempt to build everything.")
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else()
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message (STATUS "The simdjson repository appears to be used as a subdirectory.")
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option(SIMDJSON_JUST_LIBRARY "Build just the library, omit tests, tools and benchmarks" ON)
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message (STATUS "By default, we just build the library.")
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endif()
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if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git)
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set(SIMDJSON_IS_UNDER_GIT ON CACHE BOOL "Whether cmake is under git control")
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message( STATUS "The simdjson repository appears to be under git." )
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else()
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set(SIMDJSON_IS_UNDER_GIT OFF CACHE BOOL "Whether cmake is under git control")
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message( STATUS "The simdjson repository does not appear to be under git." )
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endif()
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#
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# Flags used by exes and by the simdjson library (project-wide flags)
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#
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add_library(simdjson-flags INTERFACE)
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add_library(simdjson-internal-flags INTERFACE)
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target_link_libraries(simdjson-internal-flags INTERFACE simdjson-flags)
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option(SIMDJSON_SANITIZE "Sanitize addresses" OFF)
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if(SIMDJSON_SANITIZE)
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target_compile_options(simdjson-flags INTERFACE -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined -fno-sanitize-recover=all)
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target_link_libraries(simdjson-flags INTERFACE -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined -fno-sanitize-recover=all)
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# Ubuntu bug for GCC 5.0+ (safe for all versions)
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if (CMAKE_COMPILER_IS_GNUCC)
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target_link_libraries(simdjson-flags INTERFACE -fuse-ld=gold)
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endif()
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endif()
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if (NOT CMAKE_BUILD_TYPE)
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message(STATUS "No build type selected, default to Release")
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set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
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if(SIMDJSON_SANITIZE)
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message(WARNING "No build type selected and you have enabled the sanitizer. Consider setting CMAKE_BUILD_TYPE to Debug to help identify the eventual problems.")
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endif()
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endif()
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if(MSVC)
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option(SIMDJSON_BUILD_STATIC "Build a static library" ON) # turning it on disables the production of a dynamic library
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else()
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option(SIMDJSON_BUILD_STATIC "Build a static library" OFF) # turning it on disables the production of a dynamic library
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option(SIMDJSON_USE_LIBCPP "Use the libc++ library" OFF)
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endif()
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option(SIMDJSON_COMPETITION "Compile competitive benchmarks" ON)
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option(SIMDJSON_GOOGLE_BENCHMARKS "compile the Google Benchmark benchmarks" ON)
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set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/tools/cmake")
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# We compile tools, tests, etc. with C++ 17. Override yourself if you need on a target.
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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set(CMAKE_MACOSX_RPATH OFF)
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set(CMAKE_THREAD_PREFER_PTHREAD ON)
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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# LTO seems to create all sorts of fun problems. Let us
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# disable temporarily.
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#include(CheckIPOSupported)
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#check_ipo_supported(RESULT ltoresult)
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#if(ltoresult)
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# set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
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#endif()
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if(MSVC)
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target_compile_options(simdjson-internal-flags INTERFACE /WX /W3 /sdl)
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else()
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target_compile_options(simdjson-internal-flags INTERFACE -fPIC)
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target_compile_options(simdjson-internal-flags INTERFACE -Werror -Wall -Wextra -Weffc++)
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target_compile_options(simdjson-internal-flags INTERFACE -Wsign-compare -Wshadow -Wwrite-strings -Wpointer-arith -Winit-self -Wconversion -Wno-sign-conversion)
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endif()
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# Optional flags
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option(SIMDJSON_IMPLEMENTATION_HASWELL "Include the haswell implementation" ON)
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if(NOT SIMDJSON_IMPLEMENTATION_HASWELL)
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target_compile_definitions(simdjson-internal-flags INTERFACE SIMDJSON_IMPLEMENTATION_HASWELL=0)
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endif()
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option(SIMDJSON_IMPLEMENTATION_WESTMERE "Include the westmere implementation" ON)
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if(NOT SIMDJSON_IMPLEMENTATION_WESTMERE)
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target_compile_definitions(simdjson-internal-flags INTERFACE SIMDJSON_IMPLEMENTATION_WESTMERE=0)
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endif()
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option(SIMDJSON_IMPLEMENTATION_ARM64 "Include the arm64 implementation" ON)
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if(NOT SIMDJSON_IMPLEMENTATION_ARM64)
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target_compile_definitions(simdjson-internal-flags INTERFACE SIMDJSON_IMPLEMENTATION_ARM64=0)
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endif()
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option(SIMDJSON_IMPLEMENTATION_FALLBACK "Include the fallback implementation" ON)
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if(NOT SIMDJSON_IMPLEMENTATION_FALLBACK)
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target_compile_definitions(simdjson-internal-flags INTERFACE SIMDJSON_IMPLEMENTATION_FALLBACK=0)
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endif()
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option(SIMDJSON_EXCEPTIONS "Enable simdjson's exception-throwing interface" ON)
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if(NOT SIMDJSON_EXCEPTIONS)
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message(STATUS "simdjson exception interface turned off. Code that does not check error codes will not compile.")
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target_compile_definitions(simdjson-internal-flags INTERFACE SIMDJSON_EXCEPTIONS=0)
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endif()
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option(SIMDJSON_ENABLE_THREADS "Enable threaded operation" ON)
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if(SIMDJSON_ENABLE_THREADS)
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set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
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set(THREADS_PREFER_PTHREAD_FLAG TRUE)
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find_package(Threads REQUIRED)
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target_link_libraries(simdjson-flags INTERFACE Threads::Threads)
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target_link_libraries(simdjson-flags INTERFACE ${CMAKE_THREAD_LIBS_INIT})
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target_compile_options(simdjson-flags INTERFACE ${CMAKE_THREAD_LIBS_INIT})
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target_compile_definitions(simdjson-flags INTERFACE SIMDJSON_THREADS_ENABLED=1)
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endif()
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if(SIMDJSON_USE_LIBCPP)
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target_link_libraries(simdjson-flags INTERFACE -stdlib=libc++ -lc++abi)
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# instead of the above line, we could have used
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# set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -lc++abi")
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# The next line is needed empirically.
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
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# we update CMAKE_SHARED_LINKER_FLAGS, this gets updated later as well
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -lc++abi")
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endif(SIMDJSON_USE_LIBCPP)
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# prevent shared libraries from depending on Intel provided libraries
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if(${CMAKE_C_COMPILER_ID} MATCHES "Intel") # icc / icpc
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -static-intel")
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endif()
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install(TARGETS simdjson-flags EXPORT simdjson-config)
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install(TARGETS simdjson-internal-flags EXPORT simdjson-config)
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