f9db0d2c43
When doing a runtimes build with LTO using ld.bfd (or ld.gold), the build starts failing with ninja 1.12, which added a new critical path scheduler. The reason is that LLVMgold.so is not available yet at the point where runtimes start being build, leading to configuration failures in the nested cmake invocation. Fix this by adding an explicit dependency on LLVMgold.so if it is available. (It may not always be necessary, e.g. if the used linker is lld, but it would be hard to detect when exactly it may or may not be needed, so always adding the dependency is safer.)
437 lines
16 KiB
CMake
437 lines
16 KiB
CMake
include(ExternalProject)
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# llvm_ExternalProject_BuildCmd(out_var target)
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# Utility function for constructing command lines for external project targets
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function(llvm_ExternalProject_BuildCmd out_var target bin_dir)
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cmake_parse_arguments(ARG "" "CONFIGURATION" "" ${ARGN})
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if(NOT ARG_CONFIGURATION)
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set(ARG_CONFIGURATION "$<CONFIG>")
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endif()
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if (CMAKE_GENERATOR MATCHES "Make")
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# Use special command for Makefiles to support parallelism.
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set(${out_var} "$(MAKE)" "-C" "${bin_dir}" "${target}" PARENT_SCOPE)
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else()
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set(tool_args "${LLVM_EXTERNAL_PROJECT_BUILD_TOOL_ARGS}")
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if(NOT tool_args STREQUAL "")
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string(CONFIGURE "${tool_args}" tool_args @ONLY)
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string(PREPEND tool_args "-- ")
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separate_arguments(tool_args UNIX_COMMAND "${tool_args}")
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endif()
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set(${out_var} ${CMAKE_COMMAND} --build ${bin_dir} --target ${target}
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--config ${ARG_CONFIGURATION} ${tool_args} PARENT_SCOPE)
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endif()
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endfunction()
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# is_msvc_triple(out_var triple)
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# Checks whether the passed triple refers to an MSVC environment
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function(is_msvc_triple out_var triple)
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if (triple MATCHES ".*-windows-msvc.*")
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set(${out_var} TRUE PARENT_SCOPE)
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else()
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set(${out_var} FALSE PARENT_SCOPE)
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endif()
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endfunction()
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# llvm_ExternalProject_Add(name source_dir ...
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# USE_TOOLCHAIN
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# Use just-built tools (see TOOLCHAIN_TOOLS)
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# EXCLUDE_FROM_ALL
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# Exclude this project from the all target
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# NO_INSTALL
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# Don't generate install targets for this project
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# ALWAYS_CLEAN
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# Always clean the sub-project before building
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# CMAKE_ARGS arguments...
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# Optional cmake arguments to pass when configuring the project
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# TOOLCHAIN_TOOLS targets...
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# Targets for toolchain tools (defaults to clang;lld)
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# DEPENDS targets...
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# Targets that this project depends on
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# EXTRA_TARGETS targets...
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# Extra targets in the subproject to generate targets for
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# PASSTHROUGH_PREFIXES prefix...
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# Extra variable prefixes (name is always included) to pass down
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# STRIP_TOOL path
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# Use provided strip tool instead of the default one.
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# TARGET_TRIPLE triple
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# Optional target triple to pass to the compiler
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# FOLDER
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# For IDEs, the Folder to put the targets into.
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# )
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function(llvm_ExternalProject_Add name source_dir)
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cmake_parse_arguments(ARG
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"USE_TOOLCHAIN;EXCLUDE_FROM_ALL;NO_INSTALL;ALWAYS_CLEAN"
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"SOURCE_DIR;FOLDER"
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"CMAKE_ARGS;TOOLCHAIN_TOOLS;RUNTIME_LIBRARIES;DEPENDS;EXTRA_TARGETS;PASSTHROUGH_PREFIXES;STRIP_TOOL;TARGET_TRIPLE"
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${ARGN})
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canonicalize_tool_name(${name} nameCanon)
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foreach(arg ${ARG_CMAKE_ARGS})
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if(arg MATCHES "^-DCMAKE_SYSTEM_NAME=")
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string(REGEX REPLACE "^-DCMAKE_SYSTEM_NAME=(.*)$" "\\1" _cmake_system_name "${arg}")
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endif()
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endforeach()
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# If CMAKE_SYSTEM_NAME is not set explicitly in the arguments passed to us,
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# reflect CMake's own default.
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if (NOT _cmake_system_name)
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set(_cmake_system_name "${CMAKE_HOST_SYSTEM_NAME}")
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endif()
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if(NOT ARG_TARGET_TRIPLE)
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set(target_triple ${LLVM_DEFAULT_TARGET_TRIPLE})
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else()
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set(target_triple ${ARG_TARGET_TRIPLE})
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endif()
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is_msvc_triple(is_msvc_target "${target_triple}")
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if(NOT ARG_TOOLCHAIN_TOOLS)
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set(ARG_TOOLCHAIN_TOOLS clang)
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# AIX 64-bit XCOFF and big AR format is not yet supported in some of these tools.
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if(NOT _cmake_system_name STREQUAL AIX)
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list(APPEND ARG_TOOLCHAIN_TOOLS lld llvm-ar llvm-ranlib llvm-nm llvm-objdump)
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if(_cmake_system_name STREQUAL Darwin)
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list(APPEND ARG_TOOLCHAIN_TOOLS llvm-libtool-darwin llvm-lipo)
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elseif(is_msvc_target)
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list(APPEND ARG_TOOLCHAIN_TOOLS llvm-lib llvm-rc)
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if (LLVM_ENABLE_LIBXML2)
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list(APPEND ARG_TOOLCHAIN_TOOLS llvm-mt)
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endif()
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else()
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# TODO: These tools don't fully support Mach-O format yet.
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list(APPEND ARG_TOOLCHAIN_TOOLS llvm-objcopy llvm-strip llvm-readelf)
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endif()
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endif()
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endif()
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foreach(tool ${ARG_TOOLCHAIN_TOOLS})
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if(TARGET ${tool})
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list(APPEND TOOLCHAIN_TOOLS ${tool})
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# $<TARGET_FILE:tgt> only works on add_executable or add_library targets
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# The below logic mirrors cmake's own implementation
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get_target_property(target_type "${tool}" TYPE)
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if(NOT target_type STREQUAL "OBJECT_LIBRARY" AND
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NOT target_type STREQUAL "UTILITY" AND
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NOT target_type STREQUAL "GLOBAL_TARGET" AND
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NOT target_type STREQUAL "INTERFACE_LIBRARY")
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list(APPEND TOOLCHAIN_BINS $<TARGET_FILE:${tool}>)
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endif()
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endif()
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endforeach()
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if(NOT ARG_RUNTIME_LIBRARIES)
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set(ARG_RUNTIME_LIBRARIES compiler-rt libcxx)
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endif()
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foreach(lib ${ARG_RUNTIME_LIBRARIES})
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if(TARGET ${lib})
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list(APPEND RUNTIME_LIBRARIES ${lib})
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endif()
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endforeach()
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if(ARG_ALWAYS_CLEAN)
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set(always_clean clean)
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endif()
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if(clang IN_LIST TOOLCHAIN_TOOLS)
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set(CLANG_IN_TOOLCHAIN On)
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endif()
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if(RUNTIME_LIBRARIES AND CLANG_IN_TOOLCHAIN)
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list(APPEND TOOLCHAIN_BINS ${RUNTIME_LIBRARIES})
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endif()
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set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/${name}-stamps/)
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set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${name}-bins/)
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add_custom_target(${name}-clear
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COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR}
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COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR}
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COMMENT "Clobbering ${name} build and stamp directories"
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USES_TERMINAL
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)
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if (ARG_FOLDER)
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set_target_properties(${name}-clear PROPERTIES FOLDER "${ARG_FOLDER}")
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endif ()
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# Find all variables that start with a prefix and propagate them through
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get_cmake_property(variableNames VARIABLES)
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list(APPEND ARG_PASSTHROUGH_PREFIXES ${nameCanon})
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foreach(prefix ${ARG_PASSTHROUGH_PREFIXES})
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foreach(variableName ${variableNames})
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if(variableName MATCHES "^${prefix}")
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string(REPLACE ";" "|" value "${${variableName}}")
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list(APPEND PASSTHROUGH_VARIABLES
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-D${variableName}=${value})
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endif()
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endforeach()
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endforeach()
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# Populate the non-project-specific passthrough variables
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foreach(variableName ${LLVM_EXTERNAL_PROJECT_PASSTHROUGH})
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if(DEFINED ${variableName})
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if("${${variableName}}" STREQUAL "")
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set(value "")
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else()
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string(REPLACE ";" "|" value "${${variableName}}")
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endif()
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list(APPEND PASSTHROUGH_VARIABLES
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-D${variableName}=${value})
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endif()
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endforeach()
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if(ARG_USE_TOOLCHAIN AND NOT CMAKE_CROSSCOMPILING)
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if(CLANG_IN_TOOLCHAIN)
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if(is_msvc_target)
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set(compiler_args -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang-cl${CMAKE_EXECUTABLE_SUFFIX}
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-DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang-cl${CMAKE_EXECUTABLE_SUFFIX}
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-DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang-cl${CMAKE_EXECUTABLE_SUFFIX})
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else()
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set(compiler_args -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang${CMAKE_EXECUTABLE_SUFFIX}
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-DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++${CMAKE_EXECUTABLE_SUFFIX}
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-DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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endif()
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if(lld IN_LIST TOOLCHAIN_TOOLS)
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if(is_msvc_target)
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list(APPEND compiler_args -DCMAKE_LINKER=${LLVM_RUNTIME_OUTPUT_INTDIR}/lld-link${CMAKE_EXECUTABLE_SUFFIX})
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elseif(NOT _cmake_system_name STREQUAL Darwin)
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list(APPEND compiler_args -DCMAKE_LINKER=${LLVM_RUNTIME_OUTPUT_INTDIR}/ld.lld${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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endif()
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if(llvm-ar IN_LIST TOOLCHAIN_TOOLS)
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if(is_msvc_target)
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list(APPEND compiler_args -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-lib${CMAKE_EXECUTABLE_SUFFIX})
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else()
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list(APPEND compiler_args -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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endif()
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if(llvm-libtool-darwin IN_LIST TOOLCHAIN_TOOLS)
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list(APPEND compiler_args -DCMAKE_LIBTOOL=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-libtool-darwin${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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if(llvm-lipo IN_LIST TOOLCHAIN_TOOLS)
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list(APPEND compiler_args -DCMAKE_LIPO=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-lipo${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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if(llvm-ranlib IN_LIST TOOLCHAIN_TOOLS)
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list(APPEND compiler_args -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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if(llvm-nm IN_LIST TOOLCHAIN_TOOLS)
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list(APPEND compiler_args -DCMAKE_NM=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-nm${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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if(llvm-objdump IN_LIST TOOLCHAIN_TOOLS)
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list(APPEND compiler_args -DCMAKE_OBJDUMP=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-objdump${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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if(llvm-objcopy IN_LIST TOOLCHAIN_TOOLS)
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list(APPEND compiler_args -DCMAKE_OBJCOPY=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-objcopy${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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if(llvm-strip IN_LIST TOOLCHAIN_TOOLS AND NOT ARG_STRIP_TOOL)
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list(APPEND compiler_args -DCMAKE_STRIP=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-strip${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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if(llvm-readelf IN_LIST TOOLCHAIN_TOOLS)
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list(APPEND compiler_args -DCMAKE_READELF=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-readelf${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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if(llvm-mt IN_LIST TOOLCHAIN_TOOLS AND is_msvc_target)
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list(APPEND compiler_args -DCMAKE_MT=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-mt${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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if(llvm-rc IN_LIST TOOLCHAIN_TOOLS AND is_msvc_target)
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list(APPEND compiler_args -DCMAKE_RC_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-rc${CMAKE_EXECUTABLE_SUFFIX})
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endif()
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list(APPEND ARG_DEPENDS ${TOOLCHAIN_TOOLS})
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# Add LLVMgold.so dependency if it is available, as clang may need it for
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# LTO.
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if(CLANG_IN_TOOLCHAIN AND TARGET LLVMgold)
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list(APPEND ARG_DEPENDS LLVMgold)
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endif()
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endif()
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if(ARG_STRIP_TOOL)
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list(APPEND compiler_args -DCMAKE_STRIP=${ARG_STRIP_TOOL})
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endif()
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add_custom_command(
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OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp
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DEPENDS ${ARG_DEPENDS}
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COMMAND ${CMAKE_COMMAND} -E touch ${BINARY_DIR}/CMakeCache.txt
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COMMAND ${CMAKE_COMMAND} -E touch ${STAMP_DIR}/${name}-mkdir
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COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp
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COMMENT "Clobbering bootstrap build and stamp directories"
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)
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add_custom_target(${name}-clobber
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DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp)
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if (ARG_FOLDER)
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set_target_properties(${name}-clobber PROPERTIES FOLDER "${ARG_FOLDER}")
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endif ()
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if(ARG_EXCLUDE_FROM_ALL)
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set(exclude EXCLUDE_FROM_ALL 1)
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endif()
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if(CMAKE_SYSROOT)
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set(sysroot_arg -DCMAKE_SYSROOT=${CMAKE_SYSROOT})
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endif()
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if(CMAKE_CROSSCOMPILING)
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set(compiler_args -DCMAKE_ASM_COMPILER=${CMAKE_ASM_COMPILER}
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-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
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-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
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-DCMAKE_LINKER=${CMAKE_LINKER}
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-DCMAKE_AR=${CMAKE_AR}
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-DCMAKE_RANLIB=${CMAKE_RANLIB}
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-DCMAKE_NM=${CMAKE_NM}
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-DCMAKE_OBJCOPY=${CMAKE_OBJCOPY}
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-DCMAKE_OBJDUMP=${CMAKE_OBJDUMP}
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-DCMAKE_STRIP=${CMAKE_STRIP}
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-DCMAKE_READELF=${CMAKE_READELF})
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set(llvm_config_path ${LLVM_CONFIG_PATH})
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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string(REGEX MATCH "^[0-9]+" CLANG_VERSION_MAJOR
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${PACKAGE_VERSION})
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if(DEFINED CLANG_RESOURCE_DIR AND NOT CLANG_RESOURCE_DIR STREQUAL "")
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set(resource_dir ${LLVM_TOOLS_BINARY_DIR}/${CLANG_RESOURCE_DIR})
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else()
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set(resource_dir "${LLVM_LIBRARY_DIR}/clang/${CLANG_VERSION_MAJOR}")
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endif()
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set(flag_types ASM C CXX MODULE_LINKER SHARED_LINKER EXE_LINKER)
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foreach(type ${flag_types})
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set(${type}_flag -DCMAKE_${type}_FLAGS_INIT=-resource-dir=${resource_dir})
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endforeach()
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string(REPLACE ";" "|" flag_string "${flag_types}")
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foreach(arg ${ARG_CMAKE_ARGS})
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if(arg MATCHES "^-DCMAKE_(${flag_string})_FLAGS")
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foreach(type ${flag_types})
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if(arg MATCHES "^-DCMAKE_${type}_FLAGS")
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string(REGEX REPLACE "^-DCMAKE_${type}_FLAGS=(.*)$" "\\1" flag_value "${arg}")
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set(${type}_flag "${${type}_flag} ${flag_value}")
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endif()
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endforeach()
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else()
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list(APPEND cmake_args ${arg})
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endif()
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endforeach()
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foreach(type ${flag_types})
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list(APPEND cmake_args ${${type}_flag})
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endforeach()
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else()
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set(cmake_args ${ARG_CMAKE_ARGS})
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endif()
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else()
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set(llvm_config_path "$<TARGET_FILE:llvm-config>")
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set(cmake_args ${ARG_CMAKE_ARGS})
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endif()
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if(ARG_TARGET_TRIPLE)
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list(APPEND compiler_args -DCMAKE_C_COMPILER_TARGET=${ARG_TARGET_TRIPLE})
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list(APPEND compiler_args -DCMAKE_CXX_COMPILER_TARGET=${ARG_TARGET_TRIPLE})
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list(APPEND compiler_args -DCMAKE_ASM_COMPILER_TARGET=${ARG_TARGET_TRIPLE})
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endif()
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if(CMAKE_VERBOSE_MAKEFILE)
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set(verbose -DCMAKE_VERBOSE_MAKEFILE=ON)
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endif()
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ExternalProject_Add(${name}
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DEPENDS ${ARG_DEPENDS} llvm-config
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${name}-clobber
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PREFIX ${CMAKE_BINARY_DIR}/projects/${name}
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SOURCE_DIR ${source_dir}
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STAMP_DIR ${STAMP_DIR}
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BINARY_DIR ${BINARY_DIR}
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${exclude}
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CMAKE_ARGS ${${nameCanon}_CMAKE_ARGS}
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--no-warn-unused-cli
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${compiler_args}
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${verbose}
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-DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
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${sysroot_arg}
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-DLLVM_BINARY_DIR=${PROJECT_BINARY_DIR}
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-DLLVM_CONFIG_PATH=${llvm_config_path}
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-DLLVM_ENABLE_WERROR=${LLVM_ENABLE_WERROR}
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-DLLVM_HOST_TRIPLE=${LLVM_HOST_TRIPLE}
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-DLLVM_HAVE_LINK_VERSION_SCRIPT=${LLVM_HAVE_LINK_VERSION_SCRIPT}
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-DLLVM_USE_RELATIVE_PATHS_IN_DEBUG_INFO=${LLVM_USE_RELATIVE_PATHS_IN_DEBUG_INFO}
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-DLLVM_USE_RELATIVE_PATHS_IN_FILES=${LLVM_USE_RELATIVE_PATHS_IN_FILES}
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-DLLVM_LIT_ARGS=${LLVM_LIT_ARGS}
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-DLLVM_SOURCE_PREFIX=${LLVM_SOURCE_PREFIX}
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-DPACKAGE_VERSION=${PACKAGE_VERSION}
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-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
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-DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}
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-DCMAKE_EXPORT_COMPILE_COMMANDS=1
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${cmake_args}
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${PASSTHROUGH_VARIABLES}
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INSTALL_COMMAND ""
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STEP_TARGETS configure build
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BUILD_ALWAYS 1
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USES_TERMINAL_CONFIGURE 1
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USES_TERMINAL_BUILD 1
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USES_TERMINAL_INSTALL 1
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LIST_SEPARATOR |
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)
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if (ARG_FOLDER)
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set_target_properties(
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${name} ${name}-clobber ${name}-build ${name}-configure
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PROPERTIES FOLDER "${ARG_FOLDER}"
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)
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endif ()
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if(ARG_USE_TOOLCHAIN)
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set(force_deps DEPENDS ${TOOLCHAIN_BINS})
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endif()
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llvm_ExternalProject_BuildCmd(run_clean clean ${BINARY_DIR})
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ExternalProject_Add_Step(${name} clean
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COMMAND ${run_clean}
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COMMENT "Cleaning ${name}..."
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DEPENDEES configure
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${force_deps}
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WORKING_DIRECTORY ${BINARY_DIR}
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EXCLUDE_FROM_MAIN 1
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USES_TERMINAL 1
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)
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ExternalProject_Add_StepTargets(${name} clean)
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if (ARG_FOLDER)
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set_target_properties(${name}-clean PROPERTIES FOLDER "${ARG_FOLDER}")
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endif ()
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if(ARG_USE_TOOLCHAIN)
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add_dependencies(${name}-clean ${name}-clobber)
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set_target_properties(${name}-clean PROPERTIES
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SOURCES ${CMAKE_CURRENT_BINARY_DIR}/${name}-clobber-stamp)
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endif()
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if(NOT ARG_NO_INSTALL)
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install(CODE "execute_process\(COMMAND \${CMAKE_COMMAND} -DCMAKE_INSTALL_PREFIX=\${CMAKE_INSTALL_PREFIX} -DCMAKE_INSTALL_DO_STRIP=\${CMAKE_INSTALL_DO_STRIP} -P ${BINARY_DIR}/cmake_install.cmake\)"
|
|
COMPONENT ${name})
|
|
|
|
add_llvm_install_targets(install-${name}
|
|
DEPENDS ${name}
|
|
COMPONENT ${name})
|
|
if (ARG_FOLDER)
|
|
set_target_properties(install-${name} PROPERTIES FOLDER "${ARG_FOLDER}")
|
|
endif ()
|
|
endif()
|
|
|
|
# Add top-level targets
|
|
foreach(target ${ARG_EXTRA_TARGETS})
|
|
if(DEFINED ${target})
|
|
set(external_target "${${target}}")
|
|
else()
|
|
set(external_target "${target}")
|
|
endif()
|
|
llvm_ExternalProject_BuildCmd(build_runtime_cmd ${external_target} ${BINARY_DIR})
|
|
add_custom_target(${target}
|
|
COMMAND ${build_runtime_cmd}
|
|
DEPENDS ${name}-configure
|
|
WORKING_DIRECTORY ${BINARY_DIR}
|
|
VERBATIM
|
|
USES_TERMINAL)
|
|
if (ARG_FOLDER)
|
|
set_target_properties(${target} PROPERTIES FOLDER "${ARG_FOLDER}")
|
|
endif ()
|
|
endforeach()
|
|
endfunction()
|