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1f9792a0bf
This is possible as the default libc build now works under runtimes build. Differential Revision: https://reviews.llvm.org/D99101
459 lines
20 KiB
CMake
459 lines
20 KiB
CMake
# TODO: This file assumes the Clang toolchain so it'd be better if it lived in
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# Clang, except there already is clang/runtime directory which contains
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# similar although simpler functionality. We should figure out how to merge
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# the two files.
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# TODO: Selecting runtimes should be always performed inside the runtimes
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# build, see runtimes/CMakeLists.txt, except that we currently check whether
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# compiler-rt is being built to determine whether to first build builtins
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# or not so we need that information in this file as well.
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set(LLVM_ALL_RUNTIMES "compiler-rt;libc;libcxx;libcxxabi;libunwind;openmp")
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set(LLVM_ENABLE_RUNTIMES "" CACHE STRING
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"Semicolon-separated list of runtimes to build (${LLVM_ALL_RUNTIMES}), or \"all\".")
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if(LLVM_ENABLE_RUNTIMES STREQUAL "all" )
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set(LLVM_ENABLE_RUNTIMES ${LLVM_ALL_RUNTIMES})
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endif()
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foreach(proj ${LLVM_ENABLE_RUNTIMES})
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set(proj_dir "${CMAKE_CURRENT_SOURCE_DIR}/../../${proj}")
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if(IS_DIRECTORY ${proj_dir} AND EXISTS ${proj_dir}/CMakeLists.txt)
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list(APPEND runtimes ${proj_dir})
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else()
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message(FATAL_ERROR "LLVM_ENABLE_RUNTIMES requests ${proj} but directory not found: ${proj_dir}")
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endif()
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string(TOUPPER "${proj}" canon_name)
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STRING(REGEX REPLACE "-" "_" canon_name ${canon_name})
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set(LLVM_EXTERNAL_${canon_name}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../${proj}")
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endforeach()
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function(get_compiler_rt_path path)
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foreach(entry ${runtimes})
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get_filename_component(projName ${entry} NAME)
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if("${projName}" MATCHES "compiler-rt")
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set(${path} ${entry} PARENT_SCOPE)
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return()
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endif()
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endforeach()
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endfunction()
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include(LLVMExternalProjectUtils)
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if(NOT LLVM_BUILD_RUNTIMES)
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set(EXTRA_ARGS EXCLUDE_FROM_ALL)
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endif()
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function(check_apple_target triple builtin_or_runtime)
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set(error "\
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compiler-rt for Darwin builds for all platforms and architectures using a \
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single configuration. Specify only a single darwin triple (e.g. x86_64-apple-darwin) \
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in your targets list (and not a triple for a specific platform such as macos). \
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You can use variables such as COMPILER_RT_ENABLE_IOS and DARWIN_ios_ARCHS to \
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control the specific platforms and architectures to build.")
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set(seen_property ${builtin_or_runtime}_darwin_triple_seen)
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string(REPLACE "-" ";" triple_components ${triple})
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foreach(component ${triple_components})
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string(TOLOWER "${component}" component_lower)
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if(component_lower MATCHES "^darwin")
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get_property(darwin_triple_seen GLOBAL PROPERTY ${seen_property})
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if(darwin_triple_seen)
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message(FATAL_ERROR "${error}")
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endif()
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set_property(GLOBAL PROPERTY ${seen_property} YES)
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if(NOT RUNTIMES_BUILD_ALLOW_DARWIN)
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message(FATAL_ERROR "\
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${error} Set RUNTIMES_BUILD_ALLOW_DARWIN to allow a single darwin triple.")
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endif()
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elseif(component_lower MATCHES "^ios|^macos|^tvos|^watchos")
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message(FATAL_ERROR "${error}")
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endif()
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endforeach()
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endfunction()
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function(builtin_default_target compiler_rt_path)
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cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN})
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set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default ON)
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# AIX should fold 32-bit & 64-bit arch libraries into a single archive.
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if (TARGET_TRIPLE MATCHES "aix")
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set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default OFF)
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endif()
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llvm_ExternalProject_Add(builtins
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${compiler_rt_path}/lib/builtins
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DEPENDS ${ARG_DEPENDS}
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CMAKE_ARGS -DLLVM_LIBRARY_OUTPUT_INTDIR=${LLVM_LIBRARY_DIR}
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-DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_TOOLS_BINARY_DIR}
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-DLLVM_DEFAULT_TARGET_TRIPLE=${TARGET_TRIPLE}
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-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default}
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-DCMAKE_C_COMPILER_WORKS=ON
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-DCMAKE_ASM_COMPILER_WORKS=ON
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${BUILTINS_CMAKE_ARGS}
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PASSTHROUGH_PREFIXES COMPILER_RT
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USE_TOOLCHAIN
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TARGET_TRIPLE ${TARGET_TRIPLE}
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${EXTRA_ARGS})
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endfunction()
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function(builtin_register_target compiler_rt_path target)
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cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN})
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check_apple_target(${target} builtin)
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get_cmake_property(variableNames VARIABLES)
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foreach(variableName ${variableNames})
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string(FIND "${variableName}" "BUILTINS_${target}" out)
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if("${out}" EQUAL 0)
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string(REPLACE "BUILTINS_${target}_" "" new_name ${variableName})
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string(REPLACE ";" "|" new_value "${${variableName}}")
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list(APPEND ${target}_extra_args "-D${new_name}=${new_value}")
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endif()
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endforeach()
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llvm_ExternalProject_Add(builtins-${target}
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${compiler_rt_path}/lib/builtins
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DEPENDS ${ARG_DEPENDS}
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CMAKE_ARGS -DLLVM_LIBRARY_OUTPUT_INTDIR=${LLVM_LIBRARY_DIR}
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-DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_TOOLS_BINARY_DIR}
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-DLLVM_DEFAULT_TARGET_TRIPLE=${target}
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-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
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-DCMAKE_C_COMPILER_WORKS=ON
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-DCMAKE_ASM_COMPILER_WORKS=ON
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-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
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${${target}_extra_args}
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USE_TOOLCHAIN
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TARGET_TRIPLE ${target}
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${EXTRA_ARGS})
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endfunction()
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# If compiler-rt is present we need to build the builtin libraries first. This
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# is required because the other runtimes need the builtin libraries present
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# before the just-built compiler can pass the configuration tests.
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get_compiler_rt_path(compiler_rt_path)
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if(compiler_rt_path)
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if(NOT LLVM_BUILTIN_TARGETS)
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builtin_default_target(${compiler_rt_path}
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DEPENDS clang-resource-headers)
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else()
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if("default" IN_LIST LLVM_BUILTIN_TARGETS)
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builtin_default_target(${compiler_rt_path}
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DEPENDS clang-resource-headers)
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list(REMOVE_ITEM LLVM_BUILTIN_TARGETS "default")
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else()
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add_custom_target(builtins)
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add_custom_target(install-builtins)
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add_custom_target(install-builtins-stripped)
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endif()
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foreach(target ${LLVM_BUILTIN_TARGETS})
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builtin_register_target(${compiler_rt_path} ${target}
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DEPENDS clang-resource-headers)
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add_dependencies(builtins builtins-${target})
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add_dependencies(install-builtins install-builtins-${target})
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add_dependencies(install-builtins-stripped install-builtins-${target}-stripped)
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endforeach()
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endif()
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set(deps builtins)
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# We don't need to depend on the builtins if we're building instrumented
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# because the next stage will use the same compiler used to build this stage.
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if(NOT LLVM_BUILD_INSTRUMENTED AND CLANG_ENABLE_BOOTSTRAP)
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add_dependencies(clang-bootstrap-deps builtins)
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endif()
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endif()
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# We create a list the names of all the runtime projects in all uppercase and
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# with dashes turned to underscores. This gives us the CMake variable prefixes
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# for all variables that will apply to runtimes.
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foreach(entry ${runtimes})
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get_filename_component(projName ${entry} NAME)
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if(projName STREQUAL "libc")
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# For now, we will use the name "llvmlibc" for the libc project as it is
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# not a full libc yet. Also, if we leave it as is, the "lib" prefix gets
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# stripped below and the targets endup having the name "c", "check-c" etc.
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set(projName "llvmlibc")
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endif()
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string(REPLACE "-" "_" canon_name ${projName})
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string(TOUPPER ${canon_name} canon_name)
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list(APPEND prefixes ${canon_name})
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if (${canon_name} STREQUAL "OPENMP")
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list(APPEND prefixes "LIBOMP" "LIBOMPTARGET")
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endif()
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# Many compiler-rt options start with SANITIZER_ rather than COMPILER_RT_,
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# so when compiler-rt is enabled, consider both.
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if(canon_name STREQUAL "COMPILER_RT")
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list(APPEND prefixes SANITIZER)
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endif()
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string(FIND ${projName} "lib" LIB_IDX)
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if(LIB_IDX EQUAL 0)
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string(SUBSTRING ${projName} 3 -1 projName)
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endif()
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list(APPEND runtime_names ${projName})
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endforeach()
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function(runtime_default_target)
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cmake_parse_arguments(ARG "" "" "DEPENDS;PREFIXES" ${ARGN})
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include(${LLVM_BINARY_DIR}/runtimes/Components.cmake OPTIONAL)
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set(SUB_CHECK_TARGETS ${SUB_CHECK_TARGETS} PARENT_SCOPE)
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${LLVM_BINARY_DIR}/runtimes/Components.cmake)
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foreach(runtime_name ${runtime_names})
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list(APPEND extra_targets
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${runtime_name}
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install-${runtime_name}
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install-${runtime_name}-stripped)
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if(LLVM_INCLUDE_TESTS)
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list(APPEND test_targets check-${runtime_name})
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endif()
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endforeach()
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foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS})
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if(NOT ${component} IN_LIST SUB_COMPONENTS)
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list(APPEND extra_targets ${component} install-${component} install-${component}-stripped)
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endif()
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endforeach()
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if(LLVM_INCLUDE_TESTS)
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list(APPEND test_targets runtimes-test-depends check-runtimes)
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endif()
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set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default ON)
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# AIX should fold 32-bit & 64-bit arch libraries into a single archive.
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if (TARGET_TRIPLE MATCHES "aix")
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set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default OFF)
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endif()
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llvm_ExternalProject_Add(runtimes
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${CMAKE_CURRENT_SOURCE_DIR}/../../runtimes
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DEPENDS ${ARG_DEPENDS}
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# Builtins were built separately above
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CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off
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-DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
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-DLLVM_DEFAULT_TARGET_TRIPLE=${TARGET_TRIPLE}
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-DLLVM_ENABLE_PROJECTS_USED=${LLVM_ENABLE_PROJECTS_USED}
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-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default}
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-DCMAKE_C_COMPILER_WORKS=ON
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-DCMAKE_CXX_COMPILER_WORKS=ON
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-DCMAKE_ASM_COMPILER_WORKS=ON
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${RUNTIMES_CMAKE_ARGS}
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PASSTHROUGH_PREFIXES LLVM_ENABLE_RUNTIMES
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${ARG_PREFIXES}
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EXTRA_TARGETS ${extra_targets}
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${test_targets}
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${SUB_COMPONENTS}
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${SUB_CHECK_TARGETS}
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${SUB_INSTALL_TARGETS}
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USE_TOOLCHAIN
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TARGET_TRIPLE ${TARGET_TRIPLE}
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${EXTRA_ARGS})
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endfunction()
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# runtime_register_target(target)
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# Utility function to register external runtime target.
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function(runtime_register_target name target)
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cmake_parse_arguments(ARG "" "" "DEPENDS;CMAKE_ARGS" ${ARGN})
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include(${LLVM_BINARY_DIR}/runtimes/${name}/Components.cmake OPTIONAL)
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${LLVM_BINARY_DIR}/runtimes/${name}/Components.cmake)
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check_apple_target(${target} runtime)
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set(${name}_deps ${ARG_DEPENDS})
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if(NOT name STREQUAL target)
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list(APPEND ${name}_deps runtimes-${target})
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endif()
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foreach(runtime_name ${runtime_names})
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set(${runtime_name}-${name} ${runtime_name})
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set(install-${runtime_name}-${name} install-${runtime_name})
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set(install-${runtime_name}-${name}-stripped install-${runtime_name}-stripped)
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list(APPEND ${name}_extra_targets ${runtime_name}-${name} install-${runtime_name}-${name} install-${runtime_name}-${name}-stripped)
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if(LLVM_INCLUDE_TESTS)
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set(check-${runtime_name}-${name} check-${runtime_name} )
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list(APPEND ${name}_test_targets check-${runtime_name}-${name})
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endif()
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endforeach()
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foreach(target_name IN LISTS SUB_COMPONENTS SUB_INSTALL_TARGETS)
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set(${target_name}-${name} ${target_name})
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list(APPEND ${name}_extra_targets ${target_name}-${name})
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endforeach()
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foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS})
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set(${component}-${name} ${component})
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set(install-${component}-${name} install-${component})
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set(install-${component}-${name}-stripped install-${component}-stripped)
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list(APPEND ${name}_extra_targets ${component}-${name} install-${component}-${name} install-${component}-${name}-stripped)
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endforeach()
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if(LLVM_INCLUDE_TESTS)
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set(runtimes-test-depends-${name} runtimes-test-depends)
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set(check-runtimes-${name} check-runtimes)
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list(APPEND ${name}_test_targets runtimes-test-depends-${name} check-runtimes-${name})
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foreach(target_name IN LISTS SUB_CHECK_TARGETS)
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set(${target_name}-${name} ${target_name})
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list(APPEND ${name}_test_targets ${target_name}-${name})
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list(APPEND test_targets ${target_name}-${name})
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endforeach()
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set(test_targets "${test_targets}" PARENT_SCOPE)
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endif()
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set(${name}_extra_args ${ARG_CMAKE_ARGS})
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get_cmake_property(variableNames VARIABLES)
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foreach(variableName ${variableNames})
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string(FIND "${variableName}" "RUNTIMES_${target}_" out)
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if("${out}" EQUAL 0)
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string(REPLACE "RUNTIMES_${target}_" "" new_name ${variableName})
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string(REPLACE ";" "|" new_value "${${variableName}}")
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list(APPEND ${name}_extra_args "-D${new_name}=${new_value}")
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endif()
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endforeach()
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if(NOT "${name}" STREQUAL "${target}")
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foreach(variableName ${variableNames})
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string(FIND "${variableName}" "RUNTIMES_${name}_" out)
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if("${out}" EQUAL 0)
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string(REPLACE "RUNTIMES_${name}_" "" new_name ${variableName})
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string(REPLACE ";" "|" new_value "${${variableName}}")
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list(APPEND ${name}_extra_args "-D${new_name}=${new_value}")
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endif()
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endforeach()
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endif()
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if(NOT RUNTIMES_${name}_LLVM_ENABLE_RUNTIMES AND NOT RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES)
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string(REPLACE ";" "|" LLVM_ENABLE_RUNTIMES_PASSTHROUGH "${LLVM_ENABLE_RUNTIMES}")
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list(APPEND ${name}_extra_args -DLLVM_ENABLE_RUNTIMES=${LLVM_ENABLE_RUNTIMES_PASSTHROUGH})
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endif()
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llvm_ExternalProject_Add(runtimes-${name}
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${CMAKE_CURRENT_SOURCE_DIR}/../../runtimes
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DEPENDS ${${name}_deps}
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# Builtins were built separately above
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CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off
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-DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
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-DLLVM_DEFAULT_TARGET_TRIPLE=${target}
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-DLLVM_ENABLE_PROJECTS_USED=${LLVM_ENABLE_PROJECTS_USED}
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-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
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-DCMAKE_C_COMPILER_WORKS=ON
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-DCMAKE_CXX_COMPILER_WORKS=ON
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-DCMAKE_ASM_COMPILER_WORKS=ON
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-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
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-DLLVM_RUNTIMES_TARGET=${name}
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${${name}_extra_args}
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EXTRA_TARGETS ${${name}_extra_targets}
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${${name}_test_targets}
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USE_TOOLCHAIN
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TARGET_TRIPLE ${target}
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${EXTRA_ARGS})
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endfunction()
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if(runtimes)
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# Create a runtimes target that uses this file as its top-level CMake file.
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# The runtimes target is a configuration of all the runtime libraries
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# together in a single CMake invocaiton.
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if(NOT LLVM_RUNTIME_TARGETS)
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runtime_default_target(
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DEPENDS ${deps}
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PREFIXES ${prefixes})
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set(test_targets check-runtimes)
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else()
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if("default" IN_LIST LLVM_RUNTIME_TARGETS)
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runtime_default_target(
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DEPENDS ${deps}
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PREFIXES ${prefixes})
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list(REMOVE_ITEM LLVM_RUNTIME_TARGETS "default")
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else()
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add_custom_target(runtimes)
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add_custom_target(runtimes-configure)
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add_custom_target(install-runtimes)
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add_custom_target(install-runtimes-stripped)
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if(LLVM_INCLUDE_TESTS)
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add_custom_target(check-runtimes)
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add_custom_target(runtimes-test-depends)
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set(test_targets "")
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endif()
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foreach(runtime_name ${runtime_names})
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add_custom_target(${runtime_name})
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add_custom_target(install-${runtime_name})
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add_custom_target(install-${runtime_name}-stripped)
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endforeach()
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if(LLVM_RUNTIME_DISTRIBUTION_COMPONENTS)
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foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS})
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add_custom_target(${component})
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add_custom_target(install-${component})
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add_custom_target(install-${component}-stripped)
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endforeach()
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endif()
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endif()
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foreach(name ${LLVM_RUNTIME_TARGETS})
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runtime_register_target(${name} ${name}
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DEPENDS ${deps})
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add_dependencies(runtimes runtimes-${name})
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add_dependencies(runtimes-configure runtimes-${name}-configure)
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add_dependencies(install-runtimes install-runtimes-${name})
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add_dependencies(install-runtimes-stripped install-runtimes-${name}-stripped)
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if(LLVM_INCLUDE_TESTS)
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add_dependencies(check-runtimes check-runtimes-${name})
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add_dependencies(runtimes-test-depends runtimes-test-depends-${name})
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endif()
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foreach(runtime_name ${runtime_names})
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add_dependencies(${runtime_name} ${runtime_name}-${name})
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add_dependencies(install-${runtime_name} install-${runtime_name}-${name})
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add_dependencies(install-${runtime_name}-stripped install-${runtime_name}-${name}-stripped)
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endforeach()
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endforeach()
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foreach(multilib ${LLVM_RUNTIME_MULTILIBS})
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foreach(name ${LLVM_RUNTIME_MULTILIB_${multilib}_TARGETS})
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runtime_register_target(${name}+${multilib} ${name}
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DEPENDS runtimes-${name}
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CMAKE_ARGS -DLLVM_RUNTIMES_PREFIX=${name}/
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-DLLVM_RUNTIMES_LIBDIR_SUBDIR=${multilib})
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add_dependencies(runtimes runtimes-${name}+${multilib})
|
|
add_dependencies(runtimes-configure runtimes-${name}+${multilib}-configure)
|
|
add_dependencies(install-runtimes install-runtimes-${name}+${multilib})
|
|
add_dependencies(install-runtimes-stripped install-runtimes-${name}+${multilib}-stripped)
|
|
foreach(runtime_name ${runtime_names})
|
|
add_dependencies(${runtime_name} ${runtime_name}-${name}+${multilib})
|
|
add_dependencies(install-${runtime_name} install-${runtime_name}-${name}+${multilib})
|
|
add_dependencies(install-${runtime_name}-stripped install-${runtime_name}-${name}+${multilib}-stripped)
|
|
endforeach()
|
|
endforeach()
|
|
endforeach()
|
|
endif()
|
|
|
|
if(NOT LLVM_BUILD_INSTRUMENTED AND CLANG_ENABLE_BOOTSTRAP)
|
|
# TODO: This is a hack needed because the libcxx headers are copied into the
|
|
# build directory during configuration. Without that step the clang in the
|
|
# build directory cannot find the C++ headers in certain configurations.
|
|
# I need to build a mechanism for runtime projects to provide CMake code
|
|
# that executes at LLVM configuration time to handle this case.
|
|
add_dependencies(clang-bootstrap-deps runtimes-configure)
|
|
# We need to add the runtimes as a dependency because compiler-rt can be
|
|
# built as part of runtimes and we need the profile runtime for PGO
|
|
add_dependencies(clang-bootstrap-deps runtimes)
|
|
endif()
|
|
|
|
if(LLVM_INCLUDE_TESTS)
|
|
set_property(GLOBAL APPEND PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS runtimes-test-depends)
|
|
set_property(GLOBAL APPEND PROPERTY LLVM_ADDITIONAL_TEST_TARGETS check-runtimes)
|
|
|
|
set(RUNTIMES_TEST_DEPENDS
|
|
FileCheck
|
|
count
|
|
llvm-nm
|
|
llvm-objdump
|
|
llvm-xray
|
|
not
|
|
obj2yaml
|
|
sancov
|
|
sanstats
|
|
gtest_main
|
|
gtest
|
|
)
|
|
foreach(target ${test_targets} ${SUB_CHECK_TARGETS})
|
|
add_dependencies(${target} ${RUNTIMES_TEST_DEPENDS})
|
|
endforeach()
|
|
endif()
|
|
endif()
|