# TODO: This file assumes the Clang toolchain so it'd be better if it lived in # Clang, except there already is clang/runtime directory which contains # similar although simpler functionality. We should figure out how to merge # the two files. set(COMMON_CMAKE_ARGS "-DHAVE_LLVM_LIT=ON") foreach(proj ${LLVM_ENABLE_RUNTIMES}) set(proj_dir "${CMAKE_CURRENT_SOURCE_DIR}/../../${proj}") if(IS_DIRECTORY ${proj_dir} AND EXISTS ${proj_dir}/CMakeLists.txt) list(APPEND runtimes ${proj_dir}) else() message(FATAL_ERROR "LLVM_ENABLE_RUNTIMES requests ${proj} but directory not found: ${proj_dir}") endif() string(TOUPPER "${proj}" canon_name) STRING(REGEX REPLACE "-" "_" canon_name ${canon_name}) set(LLVM_EXTERNAL_${canon_name}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../${proj}") endforeach() function(get_compiler_rt_path path) foreach(entry ${runtimes}) get_filename_component(projName ${entry} NAME) if("${projName}" MATCHES "compiler-rt") set(${path} ${entry} PARENT_SCOPE) return() endif() endforeach() endfunction() include(LLVMExternalProjectUtils) if(NOT LLVM_BUILD_RUNTIMES) set(EXTRA_ARGS EXCLUDE_FROM_ALL) endif() function(check_apple_target triple builtin_or_runtime) set(error "\ compiler-rt for Darwin builds for all platforms and architectures using a \ single configuration. Specify only a single darwin triple (e.g. x86_64-apple-darwin) \ in your targets list (and not a triple for a specific platform such as macos). \ You can use variables such as COMPILER_RT_ENABLE_IOS and DARWIN_ios_ARCHS to \ control the specific platforms and architectures to build.") set(seen_property ${builtin_or_runtime}_darwin_triple_seen) string(REPLACE "-" ";" triple_components ${triple}) foreach(component ${triple_components}) string(TOLOWER "${component}" component_lower) if(component_lower MATCHES "^darwin") get_property(darwin_triple_seen GLOBAL PROPERTY ${seen_property}) if(darwin_triple_seen) message(FATAL_ERROR "${error}") endif() set_property(GLOBAL PROPERTY ${seen_property} YES) if(NOT RUNTIMES_BUILD_ALLOW_DARWIN) message(FATAL_ERROR "\ ${error} Set RUNTIMES_BUILD_ALLOW_DARWIN to allow a single darwin triple.") endif() elseif(component_lower MATCHES "^ios|^macos|^tvos|^watchos") message(FATAL_ERROR "${error}") endif() endforeach() endfunction() macro(set_enable_per_target_runtime_dir) # May have been set by llvm/CMakeLists.txt. if (NOT DEFINED LLVM_ENABLE_PER_TARGET_RUNTIME_DIR) # AIX should fold 32-bit & 64-bit arch libraries into a single archive. if (LLVM_TARGET_TRIPLE MATCHES "aix") set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR OFF) else() set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR ON) endif() endif() endmacro() function(builtin_default_target compiler_rt_path) cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN}) set_enable_per_target_runtime_dir() llvm_ExternalProject_Add(builtins ${compiler_rt_path}/lib/builtins DEPENDS ${ARG_DEPENDS} CMAKE_ARGS -DLLVM_LIBRARY_OUTPUT_INTDIR=${LLVM_LIBRARY_DIR} -DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_TOOLS_BINARY_DIR} -DLLVM_DEFAULT_TARGET_TRIPLE=${LLVM_TARGET_TRIPLE} -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR} -DCMAKE_C_COMPILER_WORKS=ON -DCMAKE_ASM_COMPILER_WORKS=ON ${COMMON_CMAKE_ARGS} ${BUILTINS_CMAKE_ARGS} PASSTHROUGH_PREFIXES COMPILER_RT DARWIN SANITIZER USE_TOOLCHAIN TARGET_TRIPLE ${LLVM_TARGET_TRIPLE} ${EXTRA_ARGS}) endfunction() function(builtin_register_target compiler_rt_path name) cmake_parse_arguments(ARG "" "" "DEPENDS;CMAKE_ARGS;EXTRA_ARGS" ${ARGN}) set(${name}_extra_args ${ARG_CMAKE_ARGS}) get_cmake_property(variable_names VARIABLES) foreach(variable_name ${variable_names}) string(FIND "${variable_name}" "BUILTINS_${name}" out) if("${out}" EQUAL 0) string(REPLACE "BUILTINS_${name}_" "" new_name ${variable_name}) string(REPLACE ";" "|" new_value "${${variable_name}}") list(APPEND ${name}_extra_args "-D${new_name}=${new_value}") endif() endforeach() llvm_ExternalProject_Add(builtins-${name} ${compiler_rt_path}/lib/builtins DEPENDS ${ARG_DEPENDS} CMAKE_ARGS -DLLVM_LIBRARY_OUTPUT_INTDIR=${LLVM_LIBRARY_DIR} -DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_TOOLS_BINARY_DIR} -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON -DCMAKE_C_COMPILER_WORKS=ON -DCMAKE_ASM_COMPILER_WORKS=ON -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON ${COMMON_CMAKE_ARGS} ${${name}_extra_args} USE_TOOLCHAIN ${EXTRA_ARGS} ${ARG_EXTRA_ARGS}) endfunction() # If compiler-rt is present we need to build the builtin libraries first. This # is required because the other runtimes need the builtin libraries present # before the just-built compiler can pass the configuration tests. get_compiler_rt_path(compiler_rt_path) if(compiler_rt_path) if(NOT LLVM_BUILTIN_TARGETS) builtin_default_target(${compiler_rt_path} DEPENDS clang-resource-headers) else() if("default" IN_LIST LLVM_BUILTIN_TARGETS) builtin_default_target(${compiler_rt_path} DEPENDS clang-resource-headers) list(REMOVE_ITEM LLVM_BUILTIN_TARGETS "default") else() add_custom_target(builtins) add_custom_target(install-builtins) add_custom_target(install-builtins-stripped) endif() foreach(target ${LLVM_BUILTIN_TARGETS}) check_apple_target(${target} builtin) builtin_register_target(${compiler_rt_path} ${target} DEPENDS clang-resource-headers CMAKE_ARGS -DLLVM_DEFAULT_TARGET_TRIPLE=${target} EXTRA_ARGS TARGET_TRIPLE ${target}) add_dependencies(builtins builtins-${target}) add_dependencies(install-builtins install-builtins-${target}) add_dependencies(install-builtins-stripped install-builtins-${target}-stripped) endforeach() endif() set(builtins_dep builtins) # We don't need to depend on the builtins if we're building instrumented # because the next stage will use the same compiler used to build this stage. if(NOT LLVM_BUILD_INSTRUMENTED AND CLANG_ENABLE_BOOTSTRAP) add_dependencies(clang-bootstrap-deps builtins) endif() endif() # Create a list with the names of all the runtime projects in all uppercase and # with dashes turned to underscores. This gives us the CMake variable `prefixes` # for all variables that will apply to runtimes. foreach(entry ${runtimes}) get_filename_component(projName ${entry} NAME) string(REPLACE "-" "_" canon_name ${projName}) string(TOUPPER ${canon_name} canon_name) list(APPEND prefixes ${canon_name}) if (${canon_name} STREQUAL "OPENMP") list(APPEND prefixes "LIBOMP" "LIBOMPTARGET") endif() # Many compiler-rt options start with SANITIZER_ and DARWIN_ rather than # COMPILER_RT_, so when compiler-rt is enabled, consider both. if(canon_name STREQUAL "COMPILER_RT") list(APPEND prefixes SANITIZER DARWIN) endif() if(canon_name STREQUAL "LIBC") list(APPEND prefixes "LLVM_LIBC") list(APPEND prefixes "LIBC_") # The `libc` project may require '-DCUDAToolkit_ROOT' in GPU mode. if(LIBC_GPU_BUILD OR LIBC_GPU_ARCHITECTURES) list(APPEND prefixes "CUDA") endif() endif() string(FIND ${projName} "lib" LIB_IDX) if(LIB_IDX EQUAL 0 AND NOT projName STREQUAL "libc") string(SUBSTRING ${projName} 3 -1 projName) endif() list(APPEND runtime_names ${projName}) endforeach() function(runtime_default_target) cmake_parse_arguments(ARG "" "" "DEPENDS;CMAKE_ARGS;PREFIXES" ${ARGN}) include(${LLVM_BINARY_DIR}/runtimes/Components.cmake OPTIONAL) set(SUB_CHECK_TARGETS ${SUB_CHECK_TARGETS} PARENT_SCOPE) set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${LLVM_BINARY_DIR}/runtimes/Components.cmake) foreach(runtime_name ${runtime_names}) list(APPEND extra_targets ${runtime_name} install-${runtime_name} install-${runtime_name}-stripped) if(LLVM_INCLUDE_TESTS) list(APPEND test_targets check-${runtime_name}) endif() endforeach() foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS}) if(NOT ${component} IN_LIST SUB_COMPONENTS) list(APPEND extra_targets install-${component} install-${component}-stripped) endif() endforeach() if(LLVM_INCLUDE_TESTS) set_property(GLOBAL APPEND PROPERTY LLVM_ALL_LIT_TESTSUITES "@${LLVM_BINARY_DIR}/runtimes/runtimes-bins/lit.tests") list(APPEND test_targets runtimes-test-depends check-runtimes) endif() set_enable_per_target_runtime_dir() llvm_ExternalProject_Add(runtimes ${CMAKE_CURRENT_SOURCE_DIR}/../../runtimes DEPENDS ${ARG_DEPENDS} # Builtins were built separately above CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off -DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS} -DLLVM_DEFAULT_TARGET_TRIPLE=${LLVM_TARGET_TRIPLE} -DLLVM_ENABLE_PROJECTS_USED=${LLVM_ENABLE_PROJECTS_USED} -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR} -DLLVM_BUILD_TOOLS=${LLVM_BUILD_TOOLS} -DCMAKE_C_COMPILER_WORKS=ON -DCMAKE_CXX_COMPILER_WORKS=ON -DCMAKE_ASM_COMPILER_WORKS=ON ${COMMON_CMAKE_ARGS} ${RUNTIMES_CMAKE_ARGS} ${ARG_CMAKE_ARGS} PASSTHROUGH_PREFIXES LLVM_ENABLE_RUNTIMES LLVM_USE_LINKER ${ARG_PREFIXES} EXTRA_TARGETS ${extra_targets} ${test_targets} ${SUB_COMPONENTS} ${SUB_CHECK_TARGETS} ${SUB_INSTALL_TARGETS} USE_TOOLCHAIN TARGET_TRIPLE ${LLVM_TARGET_TRIPLE} ${EXTRA_ARGS}) endfunction() # runtime_register_target(name) # Utility function to register external runtime target. function(runtime_register_target name) cmake_parse_arguments(ARG "" "BASE_NAME" "DEPENDS;CMAKE_ARGS;EXTRA_ARGS" ${ARGN}) include(${LLVM_BINARY_DIR}/runtimes/${name}/Components.cmake OPTIONAL) set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${LLVM_BINARY_DIR}/runtimes/${name}/Components.cmake) foreach(runtime_name ${runtime_names}) set(${runtime_name}-${name} ${runtime_name}) set(install-${runtime_name}-${name} install-${runtime_name}) set(install-${runtime_name}-${name}-stripped install-${runtime_name}-stripped) list(APPEND ${name}_extra_targets ${runtime_name}-${name} install-${runtime_name}-${name} install-${runtime_name}-${name}-stripped) if(LLVM_INCLUDE_TESTS) set(check-${runtime_name}-${name} check-${runtime_name} ) list(APPEND ${name}_test_targets check-${runtime_name}-${name}) endif() endforeach() foreach(component IN LISTS SUB_COMPONENTS) set(${component}-${name} ${component}) list(APPEND ${name}_extra_targets ${component}-${name}) endforeach() foreach(target IN LISTS SUB_INSTALL_TARGETS) set(${target}-${name} ${target}) set(${target}-${name}-stripped ${target}-stripped) list(APPEND ${name}_extra_targets ${target}-${name} ${target}-${name}-stripped) endforeach() foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS}) if(NOT component IN_LIST SUB_COMPONENTS) set(${component}-${name} ${component}) set(install-${component}-${name} install-${component}) set(install-${component}-${name}-stripped install-${component}-stripped) list(APPEND ${name}_extra_targets ${component}-${name} install-${component}-${name} install-${component}-${name}-stripped) endif() endforeach() if(LLVM_INCLUDE_TESTS) set_property(GLOBAL APPEND PROPERTY LLVM_ALL_LIT_TESTSUITES "@${LLVM_BINARY_DIR}/runtimes/runtimes-${name}-bins/lit.tests") set(runtimes-test-depends-${name} runtimes-test-depends) set(check-runtimes-${name} check-runtimes) list(APPEND ${name}_test_targets runtimes-test-depends-${name} check-runtimes-${name}) list(APPEND test_targets ${${name}_test_targets}) set(component_check_targets) foreach(component IN LISTS LLVM_RUNTIME_DISTRIBUTION_COMPONENTS) if(NOT "check-${component}" IN_LIST SUB_CHECK_TARGETS) list(APPEND component_check_targets "check-${component}") endif() endforeach() foreach(target IN LISTS SUB_CHECK_TARGETS component_check_targets) set(${target}-${name} ${target}) list(APPEND ${name}_test_targets ${target}-${name}) list(APPEND test_targets ${target}-${name}) endforeach() set(test_targets "${test_targets}" PARENT_SCOPE) endif() set(${name}_extra_args ${ARG_CMAKE_ARGS}) string(REPLACE ";" "|" LLVM_ENABLE_RUNTIMES_PASSTHROUGH "${LLVM_ENABLE_RUNTIMES}") list(APPEND ${name}_extra_args -DLLVM_ENABLE_RUNTIMES=${LLVM_ENABLE_RUNTIMES_PASSTHROUGH}) list(APPEND ${name}_extra_args -DLLVM_USE_LINKER=${LLVM_USE_LINKER}) get_cmake_property(variable_names VARIABLES) foreach(extra_name IN ITEMS ${ARG_BASE_NAME} ${name}) foreach(variable_name ${variable_names}) string(FIND "${variable_name}" "RUNTIMES_${extra_name}_" out) if("${out}" EQUAL 0) string(REPLACE "RUNTIMES_${extra_name}_" "" new_name ${variable_name}) string(REPLACE ";" "|" new_value "${${variable_name}}") list(APPEND ${name}_extra_args "-D${new_name}=${new_value}") endif() endforeach() endforeach() set_enable_per_target_runtime_dir() llvm_ExternalProject_Add(runtimes-${name} ${CMAKE_CURRENT_SOURCE_DIR}/../../runtimes DEPENDS ${ARG_DEPENDS} # Builtins were built separately above CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=OFF -DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS} -DLLVM_ENABLE_PROJECTS_USED=${LLVM_ENABLE_PROJECTS_USED} -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR} -DCMAKE_C_COMPILER_WORKS=ON -DCMAKE_CXX_COMPILER_WORKS=ON -DCMAKE_ASM_COMPILER_WORKS=ON -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON -DLLVM_RUNTIMES_TARGET=${name} ${COMMON_CMAKE_ARGS} ${${name}_extra_args} EXTRA_TARGETS ${${name}_extra_targets} ${${name}_test_targets} USE_TOOLCHAIN ${EXTRA_ARGS} ${ARG_EXTRA_ARGS}) endfunction() if(runtimes) # Create a runtimes target that uses this file as its top-level CMake file. # The runtimes target is a configuration of all the runtime libraries # together in a single CMake invocation. set(extra_deps "") if("openmp" IN_LIST LLVM_ENABLE_RUNTIMES) foreach(dep opt llvm-link llvm-extract clang clang-offload-packager) if(TARGET ${dep} AND OPENMP_ENABLE_LIBOMPTARGET) list(APPEND extra_deps ${dep}) endif() endforeach() endif() if("libc" IN_LIST LLVM_ENABLE_RUNTIMES AND (LLVM_LIBC_FULL_BUILD OR LIBC_GPU_BUILD OR LIBC_GPU_ARCHITECTURES)) if(TARGET libc-hdrgen) set(libc_tools libc-hdrgen) set(libc_cmake_args "-DLIBC_HDRGEN_EXE=$" "-DLLVM_LIBC_FULL_BUILD=ON") list(APPEND extra_deps ${libc_tools}) else() # We want to build the libc build tools before we can build the libc # itself. So, the libc project should be included in LLVM_ENABLE_PROJECTS. # This should have been done in llvm/CMakeLists.txt automatically when # "libc" is detected in LLVM_ENABLE_RUNTIMES. message(FATAL_ERROR "libc-hdrgen target missing unexpectedly") endif() if(LIBC_GPU_BUILD OR LIBC_GPU_ARCHITECTURES) foreach(dep clang-offload-packager nvptx-arch amdgpu-arch) if(TARGET ${dep}) list(APPEND extra_deps ${dep}) endif() endforeach() endif() endif() if(NOT LLVM_RUNTIME_TARGETS) runtime_default_target( DEPENDS ${builtins_dep} ${extra_deps} CMAKE_ARGS ${libc_cmake_args} PREFIXES ${prefixes}) set(test_targets check-runtimes) else() if("default" IN_LIST LLVM_RUNTIME_TARGETS) runtime_default_target( DEPENDS ${builtins_dep} ${extra_deps} CMAKE_ARGS ${libc_cmake_args} PREFIXES ${prefixes}) list(REMOVE_ITEM LLVM_RUNTIME_TARGETS "default") else() add_custom_target(runtimes) add_custom_target(runtimes-configure) add_custom_target(install-runtimes) add_custom_target(install-runtimes-stripped) if(LLVM_INCLUDE_TESTS) add_custom_target(check-runtimes) add_custom_target(runtimes-test-depends) set(test_targets "") endif() foreach(runtime_name ${runtime_names}) add_custom_target(${runtime_name}) add_custom_target(install-${runtime_name}) add_custom_target(install-${runtime_name}-stripped) endforeach() if(LLVM_RUNTIME_DISTRIBUTION_COMPONENTS) foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS}) add_custom_target(${component}) add_custom_target(install-${component}) add_custom_target(install-${component}-stripped) endforeach() endif() endif() foreach(name ${LLVM_RUNTIME_TARGETS}) if(builtins_dep) if (LLVM_BUILTIN_TARGETS) set(builtins_dep_name "${builtins_dep}-${name}") else() set(builtins_dep_name ${builtins_dep}) endif() endif() check_apple_target(${name} runtime) runtime_register_target(${name} DEPENDS ${builtins_dep_name} ${libc_tools} CMAKE_ARGS -DLLVM_DEFAULT_TARGET_TRIPLE=${name} ${libc_cmake_args} EXTRA_ARGS TARGET_TRIPLE ${name}) add_dependencies(runtimes runtimes-${name}) add_dependencies(runtimes-configure runtimes-${name}-configure) add_dependencies(install-runtimes install-runtimes-${name}) add_dependencies(install-runtimes-stripped install-runtimes-${name}-stripped) if(LLVM_INCLUDE_TESTS) add_dependencies(check-runtimes check-runtimes-${name}) add_dependencies(runtimes-test-depends runtimes-test-depends-${name}) endif() foreach(runtime_name ${runtime_names}) add_dependencies(${runtime_name} ${runtime_name}-${name}) add_dependencies(install-${runtime_name} install-${runtime_name}-${name}) add_dependencies(install-${runtime_name}-stripped install-${runtime_name}-${name}-stripped) endforeach() foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS}) add_dependencies(${component} ${component}-${name}) add_dependencies(install-${component} install-${component}-${name}) add_dependencies(install-${component}-stripped install-${component}-${name}-stripped) endforeach() endforeach() foreach(multilib ${LLVM_RUNTIME_MULTILIBS}) foreach(name ${LLVM_RUNTIME_MULTILIB_${multilib}_TARGETS}) runtime_register_target(${name}+${multilib} DEPENDS runtimes-${name} CMAKE_ARGS -DLLVM_DEFAULT_TARGET_TRIPLE=${name} -DLLVM_RUNTIMES_PREFIX=${name}/ -DLLVM_RUNTIMES_LIBDIR_SUBDIR=${multilib} BASE_NAME ${name} EXTRA_ARGS TARGET_TRIPLE ${name}) add_dependencies(runtimes runtimes-${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() foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS}) add_dependencies(${component} ${component}-${name}+${multilib}) add_dependencies(install-${component} install-${component}-${name}+${multilib}) add_dependencies(install-${component}-stripped install-${component}-${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_ALL_ADDITIONAL_TEST_DEPENDS runtimes-test-depends) set(RUNTIMES_TEST_DEPENDS FileCheck count llvm-cov llvm-nm llvm-objdump llvm-profdata llvm-xray not obj2yaml sancov sanstats llvm_gtest_main llvm_gtest split-file ) foreach(target ${test_targets} ${SUB_CHECK_TARGETS}) add_dependencies(${target} ${RUNTIMES_TEST_DEPENDS}) endforeach() set_property(GLOBAL APPEND PROPERTY LLVM_ALL_ADDITIONAL_TEST_TARGETS runtimes ${RUNTIMES_TEST_DEPENDS}) endif() endif()