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https://github.com/RPCS3/llvm-mirror.git
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24ea01b1d7
The default host target for builtins and runtimes has special behavior on some platforms, e.g. on Linux both i386 and x86_64 targets are being built. Specifying "default" as a target name should lead to the same behavior, which wasn't the case in the past. This patch unifies the configuration between the non-target and "default" target to produce the same behavior by moving the default configuration into a function that can be used from both paths. Differential Revision: https://reviews.llvm.org/D37450 llvm-svn: 312831
479 lines
19 KiB
CMake
479 lines
19 KiB
CMake
# This file handles building LLVM runtime sub-projects.
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# Runtimes are different from tools or other drop-in projects because runtimes
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# should be built with the LLVM toolchain from the build directory. This file is
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# a first step to formalizing runtime build interfaces.
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# In the current state this file only works with compiler-rt, other runtimes
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# will work as the runtime build interface standardizes.
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# Find all subdirectories containing CMake projects
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file(GLOB entries *)
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foreach(entry ${entries})
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if(IS_DIRECTORY ${entry} AND EXISTS ${entry}/CMakeLists.txt)
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list(APPEND runtimes ${entry})
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endif()
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endforeach()
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# If this file is acting as a top-level CMake invocation, this code path is
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# triggered by the external project call for the runtimes target below.
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if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
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function(runtime_register_component name)
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set_property(GLOBAL APPEND PROPERTY SUB_COMPONENTS ${name})
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endfunction()
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cmake_minimum_required(VERSION 3.4.3)
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project(Runtimes C CXX ASM)
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# Add the root project's CMake modules, and the LLVM build's modules to the
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# CMake module path.
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list(INSERT CMAKE_MODULE_PATH 0
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"${CMAKE_CURRENT_SOURCE_DIR}/../cmake"
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"${CMAKE_CURRENT_SOURCE_DIR}/../cmake/modules"
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"${LLVM_LIBRARY_DIR}/cmake/llvm"
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)
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# Some of the runtimes will conditionally use the compiler-rt sanitizers
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# to make this work smoothly we ensure that compiler-rt is added first in
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# the list of sub-projects. This allows other sub-projects to have checks
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# like `if(TARGET asan)` to enable building with asan.
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foreach(entry ${runtimes})
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if("${entry}" MATCHES "compiler-rt")
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set(compiler_rt_path ${entry})
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break()
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endif()
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endforeach()
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if(compiler_rt_path)
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list(REMOVE_ITEM runtimes ${compiler_rt_path})
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if(NOT LLVM_BUILD_COMPILER_RT)
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list(INSERT runtimes 0 ${compiler_rt_path})
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endif()
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endif()
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# LLVMConfig.cmake contains a bunch of CMake variables from the LLVM build.
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# This file is installed as part of LLVM distributions, so this can be used
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# either from a build directory or an installed LLVM.
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include(LLVMConfig)
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# Setting these variables will allow the sub-build to put their outputs into
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# the library and bin directories of the top-level build.
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set(LLVM_LIBRARY_OUTPUT_INTDIR ${LLVM_LIBRARY_DIR})
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set(LLVM_RUNTIME_OUTPUT_INTDIR ${LLVM_TOOLS_BINARY_DIR})
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# This variable makes sure that e.g. llvm-lit is found.
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set(LLVM_MAIN_SRC_DIR ${LLVM_BUILD_MAIN_SRC_DIR})
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if(APPLE)
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set(LLVM_ENABLE_LIBCXX ON CACHE BOOL "")
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endif()
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set(SAFE_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
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set(SAFE_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
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include(CheckLibraryExists)
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include(CheckCCompilerFlag)
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check_library_exists(c fopen "" LLVM_HAS_C_LIB)
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check_c_compiler_flag(-nodefaultlibs LLVM_HAS_NODEFAULTLIBS_FLAG)
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if(LLVM_HAS_NODEFAULTLIBS_FLAG)
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -nodefaultlibs")
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if(LLVM_HAS_C_LIB)
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list(APPEND CMAKE_REQUIRED_LIBRARIES c)
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endif()
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endif()
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# Handle common options used by all runtimes.
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include(AddLLVM)
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include(HandleLLVMOptions)
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set(CMAKE_REQUIRED_FLAGS ${SAFE_CMAKE_REQUIRED_FLAGS})
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set(CMAKE_REQUIRED_LIBRARIES ${SAFE_CMAKE_REQUIRED_LIBRARIES})
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if(NOT LLVM_RUNTIMES_PREFIX)
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set(LLVM_RUNTIMES_PREFIX "${LLVM_RUNTIMES_TARGET}/")
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endif()
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foreach(entry ${runtimes})
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get_filename_component(projName ${entry} NAME)
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# TODO: Clean this up as part of an interface standardization
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string(REPLACE "-" "_" canon_name ${projName})
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string(TOUPPER ${canon_name} canon_name)
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# The subdirectories need to treat this as standalone builds
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set(${canon_name}_STANDALONE_BUILD On)
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if(LLVM_RUNTIMES_TARGET)
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if(NOT "${entry}" MATCHES "compiler-rt")
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set(${canon_name}_INSTALL_PREFIX "lib/${LLVM_RUNTIMES_PREFIX}/" CACHE STRING "" FORCE)
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endif()
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endif()
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# Setting a variable to let sub-projects detect which other projects
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# will be included under here.
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set(HAVE_${canon_name} On)
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endforeach()
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set(SAFE_LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
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set(SAFE_LLVM_LIBRARY_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
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set(SAFE_LLVM_RUNTIMES_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
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# We do this in two loops so that HAVE_* is set for each runtime before the
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# other runtimes are added.
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foreach(entry ${runtimes})
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get_filename_component(projName ${entry} NAME)
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if(LLVM_RUNTIMES_TARGET)
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if(NOT "${entry}" MATCHES "compiler-rt")
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set(LLVM_BINARY_DIR "${LLVM_LIBRARY_DIR}/${LLVM_RUNTIMES_PREFIX}")
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set(LLVM_LIBDIR_SUFFIX "${LLVM_RUNTIMES_LIBDIR_SUFFIX}")
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set(LLVM_LIBRARY_OUTPUT_INTDIR "${LLVM_LIBRARY_DIR}/${LLVM_RUNTIMES_PREFIX}lib${LLVM_RUNTIMES_LIBDIR_SUFFIX}")
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set(LLVM_RUNTIME_OUTPUT_INTDIR "${LLVM_TOOLS_BINARY_DIR}/${LLVM_RUNTIMES_PREFIX}")
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endif()
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endif()
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# Between each sub-project we want to cache and clear the LIT properties
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set_property(GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
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set_property(GLOBAL PROPERTY LLVM_LIT_PARAMS)
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set_property(GLOBAL PROPERTY LLVM_LIT_DEPENDS)
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set_property(GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
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add_subdirectory(${projName})
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get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
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get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
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get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
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get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
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list(APPEND RUNTIMES_LIT_TESTSUITES ${LLVM_LIT_TESTSUITES})
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list(APPEND RUNTIMES_LIT_PARAMS ${LLVM_LIT_PARAMS})
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list(APPEND RUNTIMES_LIT_DEPENDS ${LLVM_LIT_DEPENDS})
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list(APPEND RUNTIMES_LIT_EXTRA_ARGS ${LLVM_LIT_EXTRA_ARGS})
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if(LLVM_RUNTIMES_TARGET)
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if(NOT "${entry}" MATCHES "compiler-rt")
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set(LLVM_BINARY_DIR "${SAFE_LLVM_BINARY_DIR}")
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set(LLVM_LIBRARY_OUTPUT_INTDIR "${SAFE_LLVM_LIBRARY_OUTPUT_INTDIR}")
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set(LLVM_RUNTIME_OUTPUT_INTDIR "${SAFE_LLVM_RUNTIME_OUTPUT_INTDIR}")
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endif()
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endif()
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endforeach()
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if(LLVM_INCLUDE_TESTS)
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# Add a global check rule now that all subdirectories have been traversed
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# and we know the total set of lit testsuites.
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add_lit_target(check-runtimes
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"Running all regression tests"
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${RUNTIMES_LIT_TESTSUITES}
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PARAMS ${RUNTIMES_LIT_PARAMS}
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DEPENDS ${RUNTIMES_LIT_DEPENDS}
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ARGS ${RUNTIMES_LIT_EXTRA_ARGS}
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)
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add_custom_target(runtimes-test-depends DEPENDS ${RUNTIMES_LIT_DEPENDS})
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endif()
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get_property(SUB_COMPONENTS GLOBAL PROPERTY SUB_COMPONENTS)
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if(SUB_COMPONENTS)
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list(REMOVE_DUPLICATES SUB_COMPONENTS)
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foreach(component ${SUB_COMPONENTS})
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if(NOT TARGET ${component})
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message(SEND_ERROR "Missing target for runtime component ${component}!")
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continue()
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endif()
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if(TARGET check-${component})
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list(APPEND SUB_CHECK_TARGETS check-${component})
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endif()
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if(TARGET install-${component})
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list(APPEND SUB_INSTALL_TARGETS install-${component})
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endif()
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endforeach()
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if(LLVM_RUNTIMES_TARGET)
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/Components.cmake.in
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${LLVM_BINARY_DIR}/runtimes/${LLVM_RUNTIMES_TARGET}/Components.cmake)
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else()
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/Components.cmake.in
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${LLVM_BINARY_DIR}/runtimes/Components.cmake)
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endif()
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endif()
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else() # if this is included from LLVM's CMake
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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(builtin_default_target)
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llvm_ExternalProject_Add(builtins
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${CMAKE_CURRENT_SOURCE_DIR}/compiler-rt/lib/builtins
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CMAKE_ARGS -DLLVM_LIBRARY_OUTPUT_INTDIR=${LLVM_LIBRARY_DIR}
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-DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_TOOLS_BINARY_DIR}
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-DCMAKE_C_COMPILER_TARGET=${TARGET_TRIPLE}
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-DCMAKE_ASM_COMPILER_TARGET=${TARGET_TRIPLE}
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PASSTHROUGH_PREFIXES COMPILER_RT
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USE_TOOLCHAIN
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${EXTRA_ARGS})
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endfunction()
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function(builtin_register_target target)
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string(REPLACE "-" ";" builtin_target_list ${target})
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foreach(item ${builtin_target_list})
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string(TOLOWER "${item}" item_lower)
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if(item_lower MATCHES "darwin")
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message(FATAL_ERROR "LLVM_BUILTIN_TARGETS isn't implemented for Darwin platform!")
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endif()
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endforeach()
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get_cmake_property(variableNames VARIABLES)
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foreach(variableName ${variableNames})
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if(variableName MATCHES "^BUILTINS_${target}")
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string(REPLACE "BUILTINS_${target}_" "" new_name ${variableName})
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list(APPEND ${target}_extra_args "-D${new_name}=${${variableName}}")
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endif()
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endforeach()
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llvm_ExternalProject_Add(builtins-${target}
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${CMAKE_CURRENT_SOURCE_DIR}/compiler-rt/lib/builtins
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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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-DCMAKE_C_COMPILER_TARGET=${target}
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-DCMAKE_ASM_COMPILER_TARGET=${target}
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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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TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib
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PASSTHROUGH_PREFIXES COMPILER_RT
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USE_TOOLCHAIN
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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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if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/compiler-rt)
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if(NOT LLVM_BUILTIN_TARGETS)
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builtin_default_target()
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else()
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if("default" IN_LIST LLVM_BUILTIN_TARGETS)
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builtin_default_target()
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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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endif()
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foreach(target ${LLVM_BUILTIN_TARGETS})
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builtin_register_target(${target})
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add_dependencies(builtins builtins-${target})
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add_dependencies(install-builtins install-builtins-${target})
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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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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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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 ${projName})
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endforeach()
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function(runtime_default_target deps prefixes)
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include(${LLVM_BINARY_DIR}/runtimes/Components.cmake OPTIONAL)
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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-${runtime_name})
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if(LLVM_INCLUDE_TESTS)
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list(APPEND test_targets check-${runtime_name})
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endif()
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endforeach()
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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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llvm_ExternalProject_Add(runtimes
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${CMAKE_CURRENT_SOURCE_DIR}
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DEPENDS ${deps}
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# Builtins were built separately above
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CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off
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-DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
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-DLLVM_LIBRARY_DIR=${LLVM_LIBRARY_DIR}
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PASSTHROUGH_PREFIXES ${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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${SUB_INSTALL_TARGETS}
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USE_TOOLCHAIN
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${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 deps prefixes)
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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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set(${name}_deps ${deps})
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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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list(APPEND ${name}_extra_targets
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"${runtime_name}:${runtime_name}-${name}"
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"install-${runtime_name}:install-${runtime_name}-${name}")
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if(LLVM_INCLUDE_TESTS)
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list(APPEND ${name}_test_targets "check-${runtime_name}: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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list(APPEND ${name}_extra_targets "${target_name}:${target_name}-${name}")
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endforeach()
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if(LLVM_INCLUDE_TESTS)
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list(APPEND ${name}_test_targets
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"runtimes-test-depends:runtimes-test-depends-${name}"
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"check-runtimes:check-runtimes-${name}")
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foreach(target_name IN LISTS SUB_CHECK_TARGETS)
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list(APPEND ${name}_test_targets "${target_name}:${target_name}-${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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get_cmake_property(variableNames VARIABLES)
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foreach(variableName ${variableNames})
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if(variableName MATCHES "^RUNTIMES_${name}")
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string(REPLACE "RUNTIMES_${name}_" "" new_name ${variableName})
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list(APPEND ${name}_extra_args "-D${new_name}=${${variableName}}")
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elseif(variableName MATCHES "^RUNTIMES_${target}")
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string(REPLACE "RUNTIMES_${target}_" "" new_name ${variableName})
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list(APPEND ${name}_extra_args "-D${new_name}=${${variableName}}")
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endif()
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endforeach()
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llvm_ExternalProject_Add(runtimes-${name}
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${CMAKE_CURRENT_SOURCE_DIR}
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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=${LLVM_INCLUDE_TESTS}
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-DLLVM_LIBRARY_DIR=${LLVM_LIBRARY_DIR}
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-DCMAKE_C_COMPILER_TARGET=${target}
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-DCMAKE_CXX_COMPILER_TARGET=${target}
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-DCMAKE_ASM_COMPILER_TARGET=${target}
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-DCMAKE_C_COMPILER_WORKS=ON
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-DCMAKE_CXX_COMPILER_WORKS=ON
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-DCMAKE_ASM_COMPILER_WORKS=ON
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-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
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-DLLVM_RUNTIMES_TARGET=${name}
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${${name}_extra_args}
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TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib
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PASSTHROUGH_PREFIXES ${prefixes}
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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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${EXTRA_ARGS})
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endfunction()
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if(runtimes)
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# Create a runtimes target that uses this file as its top-level CMake file.
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# The runtimes target is a configuration of all the runtime libraries
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# together in a single CMake invocaiton.
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if(NOT LLVM_RUNTIME_TARGETS)
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runtime_default_target(${deps} ${prefixes})
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else()
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if("default" IN_LIST LLVM_RUNTIME_TARGETS)
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runtime_default_target(${deps} ${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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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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endif()
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foreach(name ${LLVM_RUNTIME_TARGETS})
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set(target ${name})
|
|
string(REPLACE ":" ";" target_list ${target})
|
|
list(GET target_list 0 name)
|
|
list(LENGTH target_list target_list_len)
|
|
if(${target_list_len} GREATER 1)
|
|
list(GET target_list 1 target)
|
|
endif()
|
|
|
|
runtime_register_target(${name} ${target} ${deps} ${prefixes})
|
|
|
|
add_dependencies(runtimes runtimes-${name})
|
|
add_dependencies(runtimes-configure runtimes-${name}-configure)
|
|
add_dependencies(install-runtimes install-runtimes-${name})
|
|
if(LLVM_INCLUDE_TESTS)
|
|
add_dependencies(check-runtimes check-runtimes-${name})
|
|
add_dependencies(runtimes-test-depends runtimes-test-depends-${name})
|
|
endif()
|
|
endforeach()
|
|
endif()
|
|
|
|
# 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.
|
|
if(NOT LLVM_BUILD_INSTRUMENTED AND CLANG_ENABLE_BOOTSTRAP)
|
|
add_dependencies(clang-bootstrap-deps runtimes-configure)
|
|
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
|
|
)
|
|
foreach(target ${test_targets} ${SUB_CHECK_TARGETS})
|
|
add_dependencies(${target} ${RUNTIMES_TEST_DEPENDS})
|
|
endforeach()
|
|
endif()
|
|
endif()
|
|
endif()
|