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696 lines
27 KiB
696 lines
27 KiB
include(ExternalProject)
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include(CompilerRTUtils)
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include(HandleCompilerRT)
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function(set_target_output_directories target output_dir)
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# For RUNTIME_OUTPUT_DIRECTORY variable, Multi-configuration generators
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# append a per-configuration subdirectory to the specified directory.
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# To avoid the appended folder, the configuration specific variable must be
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# set 'RUNTIME_OUTPUT_DIRECTORY_${CONF}':
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# RUNTIME_OUTPUT_DIRECTORY_DEBUG, RUNTIME_OUTPUT_DIRECTORY_RELEASE, ...
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if(CMAKE_CONFIGURATION_TYPES)
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foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
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string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
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set_target_properties("${target}" PROPERTIES
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"ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir}
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"LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir}
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"RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir})
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endforeach()
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else()
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set_target_properties("${target}" PROPERTIES
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ARCHIVE_OUTPUT_DIRECTORY ${output_dir}
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LIBRARY_OUTPUT_DIRECTORY ${output_dir}
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RUNTIME_OUTPUT_DIRECTORY ${output_dir})
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endif()
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endfunction()
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# Tries to add an "object library" target for a given list of OSs and/or
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# architectures with name "<name>.<arch>" for non-Darwin platforms if
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# architecture can be targeted, and "<name>.<os>" for Darwin platforms.
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# add_compiler_rt_object_libraries(<name>
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# OS <os names>
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# ARCHS <architectures>
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# SOURCES <source files>
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# CFLAGS <compile flags>
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# DEFS <compile definitions>
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# DEPS <dependencies>
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# ADDITIONAL_HEADERS <header files>)
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function(add_compiler_rt_object_libraries name)
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cmake_parse_arguments(LIB "" "" "OS;ARCHS;SOURCES;CFLAGS;DEFS;DEPS;ADDITIONAL_HEADERS"
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${ARGN})
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set(libnames)
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if(APPLE)
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foreach(os ${LIB_OS})
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set(libname "${name}.${os}")
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set(libnames ${libnames} ${libname})
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set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS})
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list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS)
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endforeach()
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else()
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foreach(arch ${LIB_ARCHS})
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set(libname "${name}.${arch}")
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set(libnames ${libnames} ${libname})
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set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS})
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if(NOT CAN_TARGET_${arch})
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message(FATAL_ERROR "Architecture ${arch} can't be targeted")
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return()
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endif()
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endforeach()
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endif()
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# Add headers to LIB_SOURCES for IDEs
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compiler_rt_process_sources(LIB_SOURCES
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${LIB_SOURCES}
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ADDITIONAL_HEADERS
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${LIB_ADDITIONAL_HEADERS}
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)
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foreach(libname ${libnames})
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add_library(${libname} OBJECT ${LIB_SOURCES})
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if(LIB_DEPS)
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add_dependencies(${libname} ${LIB_DEPS})
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endif()
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# Strip out -msse3 if this isn't macOS.
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set(target_flags ${LIB_CFLAGS})
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if(APPLE AND NOT "${libname}" MATCHES ".*\.osx.*")
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list(REMOVE_ITEM target_flags "-msse3")
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endif()
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set_target_compile_flags(${libname}
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${extra_cflags_${libname}} ${target_flags})
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set_property(TARGET ${libname} APPEND PROPERTY
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COMPILE_DEFINITIONS ${LIB_DEFS})
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set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Libraries")
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if(APPLE)
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set_target_properties(${libname} PROPERTIES
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OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}")
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endif()
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endforeach()
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endfunction()
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# Takes a list of object library targets, and a suffix and appends the proper
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# TARGET_OBJECTS string to the output variable.
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# format_object_libs(<output> <suffix> ...)
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macro(format_object_libs output suffix)
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foreach(lib ${ARGN})
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list(APPEND ${output} $<TARGET_OBJECTS:${lib}.${suffix}>)
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endforeach()
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endmacro()
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function(add_compiler_rt_component name)
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add_custom_target(${name})
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set_target_properties(${name} PROPERTIES FOLDER "Compiler-RT Misc")
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if(COMMAND runtime_register_component)
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runtime_register_component(${name})
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endif()
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add_dependencies(compiler-rt ${name})
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endfunction()
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function(add_asm_sources output)
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set(${output} ${ARGN} PARENT_SCOPE)
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# CMake doesn't pass the correct architecture for Apple prior to CMake 3.19. https://gitlab.kitware.com/cmake/cmake/-/issues/20771
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# MinGW didn't work correctly with assembly prior to CMake 3.17. https://gitlab.kitware.com/cmake/cmake/-/merge_requests/4287 and https://reviews.llvm.org/rGb780df052dd2b246a760d00e00f7de9ebdab9d09
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# Workaround these two issues by compiling as C.
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# Same workaround used in libunwind. Also update there if changed here.
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if((APPLE AND CMAKE_VERSION VERSION_LESS 3.19) OR (MINGW AND CMAKE_VERSION VERSION_LESS 3.17))
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set_source_files_properties(${ARGN} PROPERTIES LANGUAGE C)
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endif()
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endfunction()
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macro(set_output_name output name arch)
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if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR)
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set(${output} ${name})
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else()
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if(ANDROID AND ${arch} STREQUAL "i386")
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set(${output} "${name}-i686${COMPILER_RT_OS_SUFFIX}")
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else()
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set(${output} "${name}-${arch}${COMPILER_RT_OS_SUFFIX}")
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endif()
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endif()
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endmacro()
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# Adds static or shared runtime for a list of architectures and operating
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# systems and puts it in the proper directory in the build and install trees.
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# add_compiler_rt_runtime(<name>
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# {OBJECT|STATIC|SHARED}
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# ARCHS <architectures>
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# OS <os list>
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# SOURCES <source files>
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# CFLAGS <compile flags>
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# LINK_FLAGS <linker flags>
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# DEFS <compile definitions>
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# DEPS <dependencies>
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# LINK_LIBS <linked libraries> (only for shared library)
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# OBJECT_LIBS <object libraries to use as sources>
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# PARENT_TARGET <convenience parent target>
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# ADDITIONAL_HEADERS <header files>)
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function(add_compiler_rt_runtime name type)
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if(NOT type MATCHES "^(OBJECT|STATIC|SHARED)$")
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message(FATAL_ERROR "type argument must be OBJECT, STATIC or SHARED")
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return()
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endif()
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cmake_parse_arguments(LIB
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""
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"PARENT_TARGET"
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"OS;ARCHS;SOURCES;CFLAGS;LINK_FLAGS;DEFS;DEPS;LINK_LIBS;OBJECT_LIBS;ADDITIONAL_HEADERS"
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${ARGN})
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set(libnames)
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# Until we support this some other way, build compiler-rt runtime without LTO
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# to allow non-LTO projects to link with it.
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if(COMPILER_RT_HAS_FNO_LTO_FLAG)
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set(NO_LTO_FLAGS "-fno-lto")
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else()
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set(NO_LTO_FLAGS "")
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endif()
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# By default do not instrument or use profdata for compiler-rt.
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set(NO_PGO_FLAGS "")
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if(NOT COMPILER_RT_ENABLE_PGO)
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if(LLVM_PROFDATA_FILE AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG)
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list(APPEND NO_PGO_FLAGS "-fno-profile-instr-use")
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endif()
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if(LLVM_BUILD_INSTRUMENTED MATCHES IR AND COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG)
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list(APPEND NO_PGO_FLAGS "-fno-profile-generate")
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elseif(LLVM_BUILD_INSTRUMENTED AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG)
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list(APPEND NO_PGO_FLAGS "-fno-profile-instr-generate")
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endif()
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endif()
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list(LENGTH LIB_SOURCES LIB_SOURCES_LENGTH)
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if (${LIB_SOURCES_LENGTH} GREATER 0)
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# Add headers to LIB_SOURCES for IDEs. It doesn't make sense to
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# do this for a runtime library that only consists of OBJECT
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# libraries, so only add the headers when source files are present.
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compiler_rt_process_sources(LIB_SOURCES
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${LIB_SOURCES}
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ADDITIONAL_HEADERS
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${LIB_ADDITIONAL_HEADERS}
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)
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endif()
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if(APPLE)
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foreach(os ${LIB_OS})
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# Strip out -msse3 if this isn't macOS.
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list(LENGTH LIB_CFLAGS HAS_EXTRA_CFLAGS)
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if(HAS_EXTRA_CFLAGS AND NOT "${os}" MATCHES "^(osx)$")
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list(REMOVE_ITEM LIB_CFLAGS "-msse3")
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endif()
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if(type STREQUAL "STATIC")
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set(libname "${name}_${os}")
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else()
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set(libname "${name}_${os}_dynamic")
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set(extra_link_flags_${libname} ${DARWIN_${os}_LINK_FLAGS} ${LIB_LINK_FLAGS})
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endif()
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list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS)
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if(LIB_ARCHS_${libname})
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list(APPEND libnames ${libname})
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set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS} ${NO_LTO_FLAGS} ${NO_PGO_FLAGS} ${LIB_CFLAGS})
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set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX})
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set(sources_${libname} ${LIB_SOURCES})
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format_object_libs(sources_${libname} ${os} ${LIB_OBJECT_LIBS})
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get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir_${libname})
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get_compiler_rt_install_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} install_dir_${libname})
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endif()
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endforeach()
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else()
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foreach(arch ${LIB_ARCHS})
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if(NOT CAN_TARGET_${arch})
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message(FATAL_ERROR "Architecture ${arch} can't be targeted")
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return()
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endif()
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if(type STREQUAL "OBJECT")
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set(libname "${name}-${arch}")
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set_output_name(output_name_${libname} ${name}${COMPILER_RT_OS_SUFFIX} ${arch})
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elseif(type STREQUAL "STATIC")
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set(libname "${name}-${arch}")
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set_output_name(output_name_${libname} ${name} ${arch})
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else()
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set(libname "${name}-dynamic-${arch}")
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set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS})
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set(extra_link_flags_${libname} ${TARGET_${arch}_LINK_FLAGS} ${LIB_LINK_FLAGS})
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if(WIN32)
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set_output_name(output_name_${libname} ${name}_dynamic ${arch})
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else()
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set_output_name(output_name_${libname} ${name} ${arch})
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endif()
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endif()
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if(COMPILER_RT_USE_BUILTINS_LIBRARY AND NOT type STREQUAL "OBJECT" AND
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NOT name STREQUAL "clang_rt.builtins")
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get_compiler_rt_target(${arch} target)
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find_compiler_rt_library(builtins ${target} builtins_${libname})
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if(builtins_${libname} STREQUAL "NOTFOUND")
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message(FATAL_ERROR "Cannot find builtins library for the target architecture")
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endif()
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endif()
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set(sources_${libname} ${LIB_SOURCES})
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format_object_libs(sources_${libname} ${arch} ${LIB_OBJECT_LIBS})
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set(libnames ${libnames} ${libname})
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set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${NO_LTO_FLAGS} ${NO_PGO_FLAGS} ${LIB_CFLAGS})
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get_compiler_rt_output_dir(${arch} output_dir_${libname})
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get_compiler_rt_install_dir(${arch} install_dir_${libname})
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endforeach()
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endif()
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if(NOT libnames)
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return()
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endif()
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if(LIB_PARENT_TARGET)
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# If the parent targets aren't created we should create them
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if(NOT TARGET ${LIB_PARENT_TARGET})
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add_custom_target(${LIB_PARENT_TARGET})
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set_target_properties(${LIB_PARENT_TARGET} PROPERTIES
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FOLDER "Compiler-RT Misc")
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endif()
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endif()
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foreach(libname ${libnames})
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# If you are using a multi-configuration generator we don't generate
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# per-library install rules, so we fall back to the parent target COMPONENT
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if(CMAKE_CONFIGURATION_TYPES AND LIB_PARENT_TARGET)
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set(COMPONENT_OPTION COMPONENT ${LIB_PARENT_TARGET})
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else()
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set(COMPONENT_OPTION COMPONENT ${libname})
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endif()
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if(type STREQUAL "OBJECT")
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if(CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_TARGET)
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list(APPEND extra_cflags_${libname} "--target=${CMAKE_C_COMPILER_TARGET}")
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endif()
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if(CMAKE_SYSROOT)
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list(APPEND extra_cflags_${libname} "--sysroot=${CMAKE_SYSROOT}")
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endif()
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string(REPLACE ";" " " extra_cflags_${libname} "${extra_cflags_${libname}}")
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string(REGEX MATCHALL "<[A-Za-z0-9_]*>" substitutions
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${CMAKE_C_COMPILE_OBJECT})
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set(compile_command_${libname} "${CMAKE_C_COMPILE_OBJECT}")
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set(output_file_${libname} ${output_name_${libname}}${CMAKE_C_OUTPUT_EXTENSION})
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foreach(substitution ${substitutions})
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if(substitution STREQUAL "<CMAKE_C_COMPILER>")
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string(REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}"
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compile_command_${libname} ${compile_command_${libname}})
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elseif(substitution STREQUAL "<OBJECT>")
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string(REPLACE "<OBJECT>" "${output_dir_${libname}}/${output_file_${libname}}"
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compile_command_${libname} ${compile_command_${libname}})
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elseif(substitution STREQUAL "<SOURCE>")
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string(REPLACE "<SOURCE>" "${sources_${libname}}"
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compile_command_${libname} ${compile_command_${libname}})
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elseif(substitution STREQUAL "<FLAGS>")
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string(REPLACE "<FLAGS>" "${CMAKE_C_FLAGS} ${extra_cflags_${libname}}"
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compile_command_${libname} ${compile_command_${libname}})
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else()
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string(REPLACE "${substitution}" "" compile_command_${libname}
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${compile_command_${libname}})
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endif()
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endforeach()
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separate_arguments(compile_command_${libname})
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add_custom_command(
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OUTPUT ${output_dir_${libname}}/${output_file_${libname}}
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COMMAND ${compile_command_${libname}}
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DEPENDS ${sources_${libname}}
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COMMENT "Building C object ${output_file_${libname}}")
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add_custom_target(${libname} DEPENDS ${output_dir_${libname}}/${output_file_${libname}})
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install(FILES ${output_dir_${libname}}/${output_file_${libname}}
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DESTINATION ${install_dir_${libname}}
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${COMPONENT_OPTION})
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else()
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add_library(${libname} ${type} ${sources_${libname}})
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set_target_compile_flags(${libname} ${extra_cflags_${libname}})
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set_target_link_flags(${libname} ${extra_link_flags_${libname}})
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set_property(TARGET ${libname} APPEND PROPERTY
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COMPILE_DEFINITIONS ${LIB_DEFS})
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set_target_output_directories(${libname} ${output_dir_${libname}})
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install(TARGETS ${libname}
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ARCHIVE DESTINATION ${install_dir_${libname}}
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${COMPONENT_OPTION}
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LIBRARY DESTINATION ${install_dir_${libname}}
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${COMPONENT_OPTION}
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RUNTIME DESTINATION ${install_dir_${libname}}
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${COMPONENT_OPTION})
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endif()
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if(LIB_DEPS)
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add_dependencies(${libname} ${LIB_DEPS})
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endif()
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set_target_properties(${libname} PROPERTIES
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OUTPUT_NAME ${output_name_${libname}})
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set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Runtime")
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if(LIB_LINK_LIBS)
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target_link_libraries(${libname} PRIVATE ${LIB_LINK_LIBS})
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endif()
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if(builtins_${libname})
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target_link_libraries(${libname} PRIVATE ${builtins_${libname}})
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endif()
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if(${type} STREQUAL "SHARED")
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if(COMMAND llvm_setup_rpath)
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llvm_setup_rpath(${libname})
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endif()
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if(WIN32 AND NOT CYGWIN AND NOT MINGW)
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set_target_properties(${libname} PROPERTIES IMPORT_PREFIX "")
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set_target_properties(${libname} PROPERTIES IMPORT_SUFFIX ".lib")
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endif()
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if(APPLE)
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# Ad-hoc sign the dylibs
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add_custom_command(TARGET ${libname}
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POST_BUILD
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COMMAND codesign --sign - $<TARGET_FILE:${libname}>
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WORKING_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR}
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)
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endif()
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endif()
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set(parent_target_arg)
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if(LIB_PARENT_TARGET)
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set(parent_target_arg PARENT_TARGET ${LIB_PARENT_TARGET})
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endif()
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add_compiler_rt_install_targets(${libname} ${parent_target_arg})
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if(APPLE)
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set_target_properties(${libname} PROPERTIES
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OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}")
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endif()
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if(type STREQUAL "SHARED")
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rt_externalize_debuginfo(${libname})
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endif()
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endforeach()
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if(LIB_PARENT_TARGET)
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add_dependencies(${LIB_PARENT_TARGET} ${libnames})
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|
endif()
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endfunction()
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# Compile and register compiler-rt tests.
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|
# generate_compiler_rt_tests(<output object files> <test_suite> <test_name>
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|
# <test architecture>
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|
# KIND <custom prefix>
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# SUBDIR <subdirectory for testing binary>
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# SOURCES <sources to compile>
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# RUNTIME <tests runtime to link in>
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# CFLAGS <compile-time flags>
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# COMPILE_DEPS <compile-time dependencies>
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# DEPS <dependencies>
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# LINK_FLAGS <flags to use during linking>
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# )
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function(generate_compiler_rt_tests test_objects test_suite testname arch)
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cmake_parse_arguments(TEST "" "KIND;RUNTIME;SUBDIR"
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"SOURCES;COMPILE_DEPS;DEPS;CFLAGS;LINK_FLAGS" ${ARGN})
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foreach(source ${TEST_SOURCES})
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sanitizer_test_compile(
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"${test_objects}" "${source}" "${arch}"
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KIND ${TEST_KIND}
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COMPILE_DEPS ${TEST_COMPILE_DEPS}
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DEPS ${TEST_DEPS}
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CFLAGS ${TEST_CFLAGS}
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)
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endforeach()
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set(TEST_DEPS ${${test_objects}})
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if(NOT "${TEST_RUNTIME}" STREQUAL "")
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list(APPEND TEST_DEPS ${TEST_RUNTIME})
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list(APPEND "${test_objects}" $<TARGET_FILE:${TEST_RUNTIME}>)
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endif()
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add_compiler_rt_test(${test_suite} "${testname}" "${arch}"
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SUBDIR ${TEST_SUBDIR}
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OBJECTS ${${test_objects}}
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DEPS ${TEST_DEPS}
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LINK_FLAGS ${TEST_LINK_FLAGS}
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)
|
|
set("${test_objects}" "${${test_objects}}" PARENT_SCOPE)
|
|
endfunction()
|
|
|
|
# Link objects into a single executable with COMPILER_RT_TEST_COMPILER,
|
|
# using specified link flags. Make executable a part of provided
|
|
# test_suite.
|
|
# add_compiler_rt_test(<test_suite> <test_name> <arch>
|
|
# SUBDIR <subdirectory for binary>
|
|
# OBJECTS <object files>
|
|
# DEPS <deps (e.g. runtime libs)>
|
|
# LINK_FLAGS <link flags>)
|
|
function(add_compiler_rt_test test_suite test_name arch)
|
|
cmake_parse_arguments(TEST "" "SUBDIR" "OBJECTS;DEPS;LINK_FLAGS" "" ${ARGN})
|
|
set(output_dir ${CMAKE_CURRENT_BINARY_DIR})
|
|
if(TEST_SUBDIR)
|
|
set(output_dir "${output_dir}/${TEST_SUBDIR}")
|
|
endif()
|
|
set(output_dir "${output_dir}/${CMAKE_CFG_INTDIR}")
|
|
file(MAKE_DIRECTORY "${output_dir}")
|
|
set(output_bin "${output_dir}/${test_name}")
|
|
if(MSVC)
|
|
set(output_bin "${output_bin}.exe")
|
|
endif()
|
|
|
|
# Use host compiler in a standalone build, and just-built Clang otherwise.
|
|
if(NOT COMPILER_RT_STANDALONE_BUILD)
|
|
list(APPEND TEST_DEPS clang)
|
|
endif()
|
|
|
|
get_target_flags_for_arch(${arch} TARGET_LINK_FLAGS)
|
|
list(APPEND TEST_LINK_FLAGS ${TARGET_LINK_FLAGS})
|
|
|
|
# If we're not on MSVC, include the linker flags from CMAKE but override them
|
|
# with the provided link flags. This ensures that flags which are required to
|
|
# link programs at all are included, but the changes needed for the test
|
|
# trump. With MSVC we can't do that because CMake is set up to run link.exe
|
|
# when linking, not the compiler. Here, we hack it to use the compiler
|
|
# because we want to use -fsanitize flags.
|
|
|
|
# Only add CMAKE_EXE_LINKER_FLAGS when in a standalone bulid.
|
|
# Or else CMAKE_EXE_LINKER_FLAGS contains flags for build compiler of Clang/llvm.
|
|
# This might not be the same as what the COMPILER_RT_TEST_COMPILER supports.
|
|
# eg: the build compiler use lld linker and we build clang with default ld linker
|
|
# then to be tested clang will complain about lld options like --color-diagnostics.
|
|
if(NOT MSVC AND COMPILER_RT_STANDALONE_BUILD)
|
|
set(TEST_LINK_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${TEST_LINK_FLAGS}")
|
|
separate_arguments(TEST_LINK_FLAGS)
|
|
endif()
|
|
if(NOT COMPILER_RT_STANDALONE_BUILD AND COMPILER_RT_HAS_LLD AND "lld" IN_LIST LLVM_ENABLE_PROJECTS)
|
|
# CMAKE_EXE_LINKER_FLAGS may contain -fuse=lld
|
|
# FIXME: -DLLVM_ENABLE_LLD=ON and -DLLVM_ENABLE_PROJECTS without lld case.
|
|
list(APPEND TEST_DEPS lld)
|
|
endif()
|
|
add_custom_command(
|
|
OUTPUT "${output_bin}"
|
|
COMMAND ${COMPILER_RT_TEST_COMPILER} ${TEST_OBJECTS} -o "${output_bin}"
|
|
${TEST_LINK_FLAGS}
|
|
DEPENDS ${TEST_DEPS}
|
|
)
|
|
add_custom_target(T${test_name} DEPENDS "${output_bin}")
|
|
set_target_properties(T${test_name} PROPERTIES FOLDER "Compiler-RT Tests")
|
|
|
|
# Make the test suite depend on the binary.
|
|
add_dependencies(${test_suite} T${test_name})
|
|
endfunction()
|
|
|
|
macro(add_compiler_rt_resource_file target_name file_name component)
|
|
set(src_file "${CMAKE_CURRENT_SOURCE_DIR}/${file_name}")
|
|
set(dst_file "${COMPILER_RT_OUTPUT_DIR}/share/${file_name}")
|
|
add_custom_command(OUTPUT ${dst_file}
|
|
DEPENDS ${src_file}
|
|
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src_file} ${dst_file}
|
|
COMMENT "Copying ${file_name}...")
|
|
add_custom_target(${target_name} DEPENDS ${dst_file})
|
|
# Install in Clang resource directory.
|
|
install(FILES ${file_name}
|
|
DESTINATION ${COMPILER_RT_INSTALL_PATH}/share
|
|
COMPONENT ${component})
|
|
add_dependencies(${component} ${target_name})
|
|
|
|
set_target_properties(${target_name} PROPERTIES FOLDER "Compiler-RT Misc")
|
|
endmacro()
|
|
|
|
macro(add_compiler_rt_script name)
|
|
set(dst ${COMPILER_RT_EXEC_OUTPUT_DIR}/${name})
|
|
set(src ${CMAKE_CURRENT_SOURCE_DIR}/${name})
|
|
add_custom_command(OUTPUT ${dst}
|
|
DEPENDS ${src}
|
|
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst}
|
|
COMMENT "Copying ${name}...")
|
|
add_custom_target(${name} DEPENDS ${dst})
|
|
install(FILES ${dst}
|
|
PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
|
|
DESTINATION ${COMPILER_RT_INSTALL_PATH}/bin)
|
|
endmacro(add_compiler_rt_script src name)
|
|
|
|
# Builds custom version of libc++ and installs it in <prefix>.
|
|
# Can be used to build sanitized versions of libc++ for running unit tests.
|
|
# add_custom_libcxx(<name> <prefix>
|
|
# DEPS <list of build deps>
|
|
# CFLAGS <list of compile flags>
|
|
# USE_TOOLCHAIN)
|
|
macro(add_custom_libcxx name prefix)
|
|
if(NOT COMPILER_RT_LIBCXX_PATH)
|
|
message(FATAL_ERROR "libcxx not found!")
|
|
endif()
|
|
if(NOT COMPILER_RT_LIBCXXABI_PATH)
|
|
message(FATAL_ERROR "libcxxabi not found!")
|
|
endif()
|
|
|
|
cmake_parse_arguments(LIBCXX "USE_TOOLCHAIN" "" "DEPS;CFLAGS;CMAKE_ARGS" ${ARGN})
|
|
|
|
if(LIBCXX_USE_TOOLCHAIN)
|
|
set(compiler_args -DCMAKE_C_COMPILER=${COMPILER_RT_TEST_COMPILER}
|
|
-DCMAKE_CXX_COMPILER=${COMPILER_RT_TEST_CXX_COMPILER})
|
|
if(NOT COMPILER_RT_STANDALONE_BUILD AND NOT RUNTIMES_BUILD)
|
|
set(toolchain_deps $<TARGET_FILE:clang>)
|
|
set(force_deps DEPENDS $<TARGET_FILE:clang>)
|
|
endif()
|
|
else()
|
|
set(compiler_args -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
|
|
-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER})
|
|
endif()
|
|
|
|
set(STAMP_DIR ${prefix}-stamps/)
|
|
set(BINARY_DIR ${prefix}-bins/)
|
|
|
|
add_custom_target(${name}-clear
|
|
COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR}
|
|
COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR}
|
|
COMMENT "Clobbering ${name} build and stamp directories"
|
|
USES_TERMINAL
|
|
)
|
|
set_target_properties(${name}-clear PROPERTIES FOLDER "Compiler-RT Misc")
|
|
|
|
add_custom_command(
|
|
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp
|
|
DEPENDS ${LIBCXX_DEPS} ${toolchain_deps}
|
|
COMMAND ${CMAKE_COMMAND} -E touch ${BINARY_DIR}/CMakeCache.txt
|
|
COMMAND ${CMAKE_COMMAND} -E touch ${STAMP_DIR}/${name}-mkdir
|
|
COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp
|
|
COMMENT "Clobbering bootstrap build and stamp directories"
|
|
)
|
|
|
|
add_custom_target(${name}-clobber
|
|
DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp)
|
|
set_target_properties(${name}-clobber PROPERTIES FOLDER "Compiler-RT Misc")
|
|
|
|
set(PASSTHROUGH_VARIABLES
|
|
CMAKE_C_COMPILER_TARGET
|
|
CMAKE_CXX_COMPILER_TARGET
|
|
CMAKE_SHARED_LINKER_FLAGS
|
|
CMAKE_MODULE_LINKER_FLAGS
|
|
CMAKE_EXE_LINKER_FLAGS
|
|
CMAKE_INSTALL_PREFIX
|
|
CMAKE_MAKE_PROGRAM
|
|
CMAKE_LINKER
|
|
CMAKE_AR
|
|
CMAKE_RANLIB
|
|
CMAKE_NM
|
|
CMAKE_OBJCOPY
|
|
CMAKE_OBJDUMP
|
|
CMAKE_STRIP
|
|
CMAKE_SYSROOT
|
|
PYTHON_EXECUTABLE
|
|
Python3_EXECUTABLE
|
|
Python2_EXECUTABLE
|
|
CMAKE_SYSTEM_NAME)
|
|
foreach(variable ${PASSTHROUGH_VARIABLES})
|
|
get_property(is_value_set CACHE ${variable} PROPERTY VALUE SET)
|
|
if(${is_value_set})
|
|
get_property(value CACHE ${variable} PROPERTY VALUE)
|
|
list(APPEND CMAKE_PASSTHROUGH_VARIABLES -D${variable}=${value})
|
|
endif()
|
|
endforeach()
|
|
|
|
string(REPLACE ";" " " LIBCXX_C_FLAGS "${LIBCXX_CFLAGS}")
|
|
get_property(C_FLAGS CACHE CMAKE_C_FLAGS PROPERTY VALUE)
|
|
set(LIBCXX_C_FLAGS "${LIBCXX_C_FLAGS} ${C_FLAGS}")
|
|
|
|
string(REPLACE ";" " " LIBCXX_CXX_FLAGS "${LIBCXX_CFLAGS}")
|
|
get_property(CXX_FLAGS CACHE CMAKE_CXX_FLAGS PROPERTY VALUE)
|
|
set(LIBCXX_CXX_FLAGS "${LIBCXX_CXX_FLAGS} ${CXX_FLAGS}")
|
|
|
|
ExternalProject_Add(${name}
|
|
DEPENDS ${name}-clobber ${LIBCXX_DEPS}
|
|
PREFIX ${prefix}
|
|
SOURCE_DIR ${COMPILER_RT_SOURCE_DIR}/cmake/Modules/CustomLibcxx
|
|
STAMP_DIR ${STAMP_DIR}
|
|
BINARY_DIR ${BINARY_DIR}
|
|
CMAKE_ARGS ${CMAKE_PASSTHROUGH_VARIABLES}
|
|
${compiler_args}
|
|
-DCMAKE_C_FLAGS=${LIBCXX_C_FLAGS}
|
|
-DCMAKE_CXX_FLAGS=${LIBCXX_CXX_FLAGS}
|
|
-DCMAKE_BUILD_TYPE=Release
|
|
-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY
|
|
-DLLVM_PATH=${LLVM_MAIN_SRC_DIR}
|
|
-DLLVM_BINARY_DIR=${prefix}
|
|
-DLLVM_LIBRARY_OUTPUT_INTDIR=${prefix}/lib
|
|
-DCOMPILER_RT_LIBCXX_PATH=${COMPILER_RT_LIBCXX_PATH}
|
|
-DCOMPILER_RT_LIBCXXABI_PATH=${COMPILER_RT_LIBCXXABI_PATH}
|
|
${LIBCXX_CMAKE_ARGS}
|
|
INSTALL_COMMAND ""
|
|
STEP_TARGETS configure build
|
|
BUILD_ALWAYS 1
|
|
USES_TERMINAL_CONFIGURE 1
|
|
USES_TERMINAL_BUILD 1
|
|
USES_TERMINAL_INSTALL 1
|
|
EXCLUDE_FROM_ALL TRUE
|
|
BUILD_BYPRODUCTS "${prefix}/lib/libc++.a" "${prefix}/lib/libc++abi.a"
|
|
)
|
|
|
|
if (CMAKE_GENERATOR MATCHES "Make")
|
|
set(run_clean "$(MAKE)" "-C" "${BINARY_DIR}" "clean")
|
|
else()
|
|
set(run_clean ${CMAKE_COMMAND} --build ${BINARY_DIR} --target clean
|
|
--config "$<CONFIG>")
|
|
endif()
|
|
|
|
ExternalProject_Add_Step(${name} clean
|
|
COMMAND ${run_clean}
|
|
COMMENT "Cleaning ${name}..."
|
|
DEPENDEES configure
|
|
${force_deps}
|
|
WORKING_DIRECTORY ${BINARY_DIR}
|
|
EXCLUDE_FROM_MAIN 1
|
|
USES_TERMINAL 1
|
|
)
|
|
ExternalProject_Add_StepTargets(${name} clean)
|
|
|
|
if(LIBCXX_USE_TOOLCHAIN)
|
|
add_dependencies(${name}-clean ${name}-clobber)
|
|
set_target_properties(${name}-clean PROPERTIES
|
|
SOURCES ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp)
|
|
endif()
|
|
endmacro()
|
|
|
|
function(rt_externalize_debuginfo name)
|
|
if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO)
|
|
return()
|
|
endif()
|
|
|
|
if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO_SKIP_STRIP)
|
|
set(strip_command COMMAND xcrun strip -Sl $<TARGET_FILE:${name}>)
|
|
endif()
|
|
|
|
if(APPLE)
|
|
if(CMAKE_CXX_FLAGS MATCHES "-flto"
|
|
OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto")
|
|
|
|
set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o)
|
|
set_property(TARGET ${name} APPEND_STRING PROPERTY
|
|
LINK_FLAGS " -Wl,-object_path_lto -Wl,${lto_object}")
|
|
endif()
|
|
add_custom_command(TARGET ${name} POST_BUILD
|
|
COMMAND xcrun dsymutil $<TARGET_FILE:${name}>
|
|
${strip_command})
|
|
else()
|
|
message(FATAL_ERROR "COMPILER_RT_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!")
|
|
endif()
|
|
endfunction()
|
|
|
|
|
|
# Configure lit configuration files, including compiler-rt specific variables.
|
|
function(configure_compiler_rt_lit_site_cfg input output)
|
|
set_llvm_build_mode()
|
|
|
|
get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir)
|
|
|
|
string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} COMPILER_RT_RESOLVED_TEST_COMPILER ${COMPILER_RT_TEST_COMPILER})
|
|
string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} COMPILER_RT_RESOLVED_LIBRARY_OUTPUT_DIR ${output_dir})
|
|
|
|
configure_lit_site_cfg(${input} ${output})
|
|
endfunction()
|