diff --git a/llvm/runtimes/CMakeLists.txt b/llvm/runtimes/CMakeLists.txt --- a/llvm/runtimes/CMakeLists.txt +++ b/llvm/runtimes/CMakeLists.txt @@ -1,26 +1,13 @@ -# This file handles building LLVM runtime sub-projects. - -# Runtimes are different from tools or other drop-in projects because runtimes -# should be built with the LLVM toolchain from the build directory. This file is -# a first step to formalizing runtime build interfaces. - -# Setting CMake minimum required version should be at the very top of the file -# if this is the entry point. -if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) - cmake_minimum_required(VERSION 3.13.4) - project(Runtimes C CXX ASM) -endif() - -# Find all subdirectories containing CMake projects -file(GLOB entries *) -foreach(entry ${entries}) - if(IS_DIRECTORY ${entry} AND EXISTS ${entry}/CMakeLists.txt) - list(APPEND runtimes ${entry}) - endif() -endforeach() - -# Side-by-side subprojects layout. -set(LLVM_ALL_RUNTIMES "libcxx;libcxxabi;libunwind;compiler-rt;openmp") +# TODO: This file assumes the Clang toolchain so it'd be better if it lived in +# Clang, except there already is clang/runtime directory which contains +# similar although simpler functionality. We should figure out how to merge +# the two files. + +# TODO: Selecting runtimes should be always performed inside the runtimes +# build, see runtimes/CMakeLists.txt, except that we currently check whether +# compiler-rt is being built to determine whether to first build builtins +# or not so we need that information in this file as well. +set(LLVM_ALL_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind;openmp") set(LLVM_ENABLE_RUNTIMES "" CACHE STRING "Semicolon-separated list of runtimes to build (${LLVM_ALL_RUNTIMES}), or \"all\".") if(LLVM_ENABLE_RUNTIMES STREQUAL "all" ) @@ -48,612 +35,436 @@ endforeach() endfunction() -# If this file is acting as a top-level CMake invocation, this code path is -# triggered by the external project call for the runtimes target below. -if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}) - - function(runtime_register_component name) - set_property(GLOBAL APPEND PROPERTY SUB_COMPONENTS ${name}) - endfunction() - - cmake_minimum_required(VERSION 3.13.4) - project(Runtimes C CXX ASM) +include(LLVMExternalProjectUtils) - find_package(LLVM PATHS "${LLVM_BINARY_DIR}" NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH) - find_package(Clang PATHS "${LLVM_BINARY_DIR}" NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH) +if(NOT LLVM_BUILD_RUNTIMES) + set(EXTRA_ARGS EXCLUDE_FROM_ALL) +endif() - # Add the root project's CMake modules, and the LLVM build's modules to the - # CMake module path. - list(INSERT CMAKE_MODULE_PATH 0 - "${CMAKE_CURRENT_SOURCE_DIR}/../cmake" - "${CMAKE_CURRENT_SOURCE_DIR}/../cmake/modules" - ) +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.") - # Some of the runtimes will conditionally use the compiler-rt sanitizers - # to make this work smoothly we ensure that compiler-rt is added first in - # the list of sub-projects. This allows other sub-projects to have checks - # like `if(TARGET asan)` to enable building with asan. - get_compiler_rt_path(compiler_rt_path) - if(compiler_rt_path) - list(REMOVE_ITEM runtimes ${compiler_rt_path}) - if(NOT DEFINED LLVM_BUILD_COMPILER_RT OR LLVM_BUILD_COMPILER_RT) - list(INSERT runtimes 0 ${compiler_rt_path}) + 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() - endif() - - # Setting these variables will allow the sub-build to put their outputs into - # the library and bin directories of the top-level build. - set(LLVM_LIBRARY_OUTPUT_INTDIR ${LLVM_LIBRARY_DIR}) - set(LLVM_RUNTIME_OUTPUT_INTDIR ${LLVM_TOOLS_BINARY_DIR}) - - # This variable makes sure that e.g. llvm-lit is found. - set(LLVM_MAIN_SRC_DIR ${LLVM_BUILD_MAIN_SRC_DIR}) - set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules) - - # This variable is used by individual runtimes to locate LLVM files. - set(LLVM_PATH ${LLVM_BUILD_MAIN_SRC_DIR}) - - if(APPLE) - set(LLVM_ENABLE_LIBCXX ON CACHE BOOL "") - endif() - - include(CheckLibraryExists) - include(CheckCCompilerFlag) - - # We don't have libc++ (yet)... - set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -nostdinc++ -nostdlib++") - - # ...but we need access to libc++ headers for CMake checks to succeed. - if (LLVM_EXTERNAL_LIBCXX_SOURCE_DIR AND "libcxx" IN_LIST LLVM_ENABLE_RUNTIMES) - set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -isystem ${LLVM_EXTERNAL_LIBCXX_SOURCE_DIR}/include") - endif() - - # Avoid checking whether the compiler is working. - set(LLVM_COMPILER_CHECKED ON) - - # Handle common options used by all runtimes. - include(AddLLVM) - include(HandleLLVMOptions) - include(FindPythonInterp) + endforeach() +endfunction() - # Remove the -nostdlib++ option we've added earlier. - string(REPLACE "-nostdlib++" "" CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}") +function(builtin_default_target compiler_rt_path) + cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN}) - # Use libtool instead of ar if you are both on an Apple host, and targeting Apple. - if(CMAKE_HOST_APPLE AND APPLE) - include(UseLibtool) + set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default ON) + # AIX should fold 32-bit & 64-bit arch libraries into a single archive. + if (TARGET_TRIPLE MATCHES "aix") + set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default OFF) endif() - # This can be used to detect whether we're in the runtimes build. - set(RUNTIMES_BUILD ON) + 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=${LLVM_TOOLS_BINARY_DIR} + -DLLVM_DEFAULT_TARGET_TRIPLE=${TARGET_TRIPLE} + -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default} + -DCMAKE_C_COMPILER_TARGET=${TARGET_TRIPLE} + -DCMAKE_ASM_COMPILER_TARGET=${TARGET_TRIPLE} + -DCMAKE_C_COMPILER_WORKS=ON + -DCMAKE_ASM_COMPILER_WORKS=ON + ${BUILTINS_CMAKE_ARGS} + PASSTHROUGH_PREFIXES COMPILER_RT + USE_TOOLCHAIN + ${EXTRA_ARGS}) +endfunction() - foreach(entry ${runtimes}) - get_filename_component(projName ${entry} NAME) +function(builtin_register_target compiler_rt_path target) + cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN}) - # TODO: Clean this up as part of an interface standardization - string(REPLACE "-" "_" canon_name ${projName}) - string(TOUPPER ${canon_name} canon_name) - - # The subdirectories need to treat this as standalone builds. D57992 tried - # to get rid of this, but the runtimes treat *_STANDALONE_BUILD=OFF as if - # llvm & clang are configured in the same CMake, and setup dependencies - # against their targets. OpenMP has fixed the issue so we don't set the - # variable. - if (NOT ${canon_name} STREQUAL "OPENMP") - set(${canon_name}_STANDALONE_BUILD ON) - endif() + check_apple_target(${target} builtin) - if(LLVM_RUNTIMES_LIBDIR_SUBDIR) - set(${canon_name}_LIBDIR_SUBDIR "${LLVM_RUNTIMES_LIBDIR_SUBDIR}" CACHE STRING "" FORCE) + get_cmake_property(variableNames VARIABLES) + foreach(variableName ${variableNames}) + string(FIND "${variableName}" "BUILTINS_${target}" out) + if("${out}" EQUAL 0) + string(REPLACE "BUILTINS_${target}_" "" new_name ${variableName}) + string(REPLACE ";" "|" new_value "${${variableName}}") + list(APPEND ${target}_extra_args "-D${new_name}=${new_value}") endif() - - # Setting a variable to let sub-projects detect which other projects - # will be included under here. - set(HAVE_${canon_name} ON) endforeach() - # We do this in two loops so that HAVE_* is set for each runtime before the - # other runtimes are added. - foreach(entry ${runtimes}) - get_filename_component(projName ${entry} NAME) - - # Between each sub-project we want to cache and clear the LIT properties - set_property(GLOBAL PROPERTY LLVM_LIT_TESTSUITES) - set_property(GLOBAL PROPERTY LLVM_LIT_PARAMS) - set_property(GLOBAL PROPERTY LLVM_LIT_DEPENDS) - set_property(GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS) - - add_subdirectory(${entry} ${projName}) - - get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES) - get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS) - get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS) - get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS) - - list(APPEND RUNTIMES_LIT_TESTSUITES ${LLVM_LIT_TESTSUITES}) - list(APPEND RUNTIMES_LIT_PARAMS ${LLVM_LIT_PARAMS}) - list(APPEND RUNTIMES_LIT_DEPENDS ${LLVM_LIT_DEPENDS}) - list(APPEND RUNTIMES_LIT_EXTRA_ARGS ${LLVM_LIT_EXTRA_ARGS}) - endforeach() - - if(LLVM_INCLUDE_TESTS) - # Add a global check rule now that all subdirectories have been traversed - # and we know the total set of lit testsuites. - - add_lit_target(check-runtimes - "Running all regression tests" - ${RUNTIMES_LIT_TESTSUITES} - PARAMS ${RUNTIMES_LIT_PARAMS} - DEPENDS ${RUNTIMES_LIT_DEPENDS} - ARGS ${RUNTIMES_LIT_EXTRA_ARGS} - ) - add_custom_target(runtimes-test-depends DEPENDS ${RUNTIMES_LIT_DEPENDS}) - endif() - - get_property(SUB_COMPONENTS GLOBAL PROPERTY SUB_COMPONENTS) - if(SUB_COMPONENTS) - list(REMOVE_DUPLICATES SUB_COMPONENTS) - foreach(component ${SUB_COMPONENTS}) - if(NOT TARGET ${component}) - message(SEND_ERROR "Missing target for runtime component ${component}!") - continue() - endif() - - if(TARGET check-${component}) - list(APPEND SUB_CHECK_TARGETS check-${component}) - endif() - - if(TARGET install-${component}) - list(APPEND SUB_INSTALL_TARGETS install-${component}) - endif() - if(TARGET install-${component}-stripped) - list(APPEND SUB_INSTALL_TARGETS install-${component}-stripped) - endif() - endforeach() + llvm_ExternalProject_Add(builtins-${target} + ${compiler_rt_path}/lib/builtins + DEPENDS ${ARG_DEPENDS} + CMAKE_ARGS -DLLVM_LIBRARY_OUTPUT_INTDIR=${LLVM_LIBRARY_DIR} + -DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_TOOLS_BINARY_DIR} + -DLLVM_DEFAULT_TARGET_TRIPLE=${target} + -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON + -DCMAKE_C_COMPILER_TARGET=${target} + -DCMAKE_ASM_COMPILER_TARGET=${target} + -DCMAKE_C_COMPILER_WORKS=ON + -DCMAKE_ASM_COMPILER_WORKS=ON + -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON + ${${target}_extra_args} + USE_TOOLCHAIN + ${EXTRA_ARGS}) +endfunction() - if(LLVM_RUNTIMES_TARGET) - configure_file( - ${CMAKE_CURRENT_SOURCE_DIR}/Components.cmake.in - ${LLVM_BINARY_DIR}/runtimes/${LLVM_RUNTIMES_TARGET}/Components.cmake) +# 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() - configure_file( - ${CMAKE_CURRENT_SOURCE_DIR}/Components.cmake.in - ${LLVM_BINARY_DIR}/runtimes/Components.cmake) + add_custom_target(builtins) + add_custom_target(install-builtins) + add_custom_target(install-builtins-stripped) endif() - endif() -else() # if this is included from LLVM's CMake - 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.") + foreach(target ${LLVM_BUILTIN_TARGETS}) + builtin_register_target(${compiler_rt_path} ${target} + DEPENDS clang-resource-headers) - 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 "${error}") - endif() + add_dependencies(builtins builtins-${target}) + add_dependencies(install-builtins install-builtins-${target}) + add_dependencies(install-builtins-stripped install-builtins-${target}-stripped) endforeach() - endfunction() - - function(builtin_default_target compiler_rt_path) - cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN}) + endif() + set(deps 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() - set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default ON) - # AIX should fold 32-bit & 64-bit arch libraries into a single archive. - if (TARGET_TRIPLE MATCHES "aix") - set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default OFF) - endif() +# We create a list 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_ rather than COMPILER_RT_, + # so when compiler-rt is enabled, consider both. + if(canon_name STREQUAL "COMPILER_RT") + list(APPEND prefixes SANITIZER) + endif() - 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=${LLVM_TOOLS_BINARY_DIR} - -DLLVM_DEFAULT_TARGET_TRIPLE=${TARGET_TRIPLE} - -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default} - -DCMAKE_C_COMPILER_TARGET=${TARGET_TRIPLE} - -DCMAKE_ASM_COMPILER_TARGET=${TARGET_TRIPLE} - -DCMAKE_C_COMPILER_WORKS=ON - -DCMAKE_ASM_COMPILER_WORKS=ON - ${BUILTINS_CMAKE_ARGS} - PASSTHROUGH_PREFIXES COMPILER_RT - USE_TOOLCHAIN - ${EXTRA_ARGS}) - endfunction() - - function(builtin_register_target compiler_rt_path target) - cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN}) - - check_apple_target(${target} builtin) - - get_cmake_property(variableNames VARIABLES) - foreach(variableName ${variableNames}) - string(FIND "${variableName}" "BUILTINS_${target}" out) - if("${out}" EQUAL 0) - string(REPLACE "BUILTINS_${target}_" "" new_name ${variableName}) - string(REPLACE ";" "|" new_value "${${variableName}}") - list(APPEND ${target}_extra_args "-D${new_name}=${new_value}") - endif() - endforeach() + string(FIND ${projName} "lib" LIB_IDX) + if(LIB_IDX EQUAL 0) + string(SUBSTRING ${projName} 3 -1 projName) + endif() + list(APPEND runtime_names ${projName}) +endforeach() - llvm_ExternalProject_Add(builtins-${target} - ${compiler_rt_path}/lib/builtins - DEPENDS ${ARG_DEPENDS} - CMAKE_ARGS -DLLVM_LIBRARY_OUTPUT_INTDIR=${LLVM_LIBRARY_DIR} - -DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_TOOLS_BINARY_DIR} - -DLLVM_DEFAULT_TARGET_TRIPLE=${target} - -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON - -DCMAKE_C_COMPILER_TARGET=${target} - -DCMAKE_ASM_COMPILER_TARGET=${target} - -DCMAKE_C_COMPILER_WORKS=ON - -DCMAKE_ASM_COMPILER_WORKS=ON - -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON - ${${target}_extra_args} - USE_TOOLCHAIN - ${EXTRA_ARGS}) - endfunction() - - # If compiler-rt is present we need to build the builtin libraries first. This - # is required because the other runtimes need the builtin libraries present - # before the just-built compiler can pass the configuration tests. - get_compiler_rt_path(compiler_rt_path) - if(compiler_rt_path) - if(NOT LLVM_BUILTIN_TARGETS) - builtin_default_target(${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() +if(LLVM_RUNTIME_BUILD_ID_LINK_TARGETS) + configure_file( + ${CMAKE_CURRENT_SOURCE_DIR}/llvm-strip-link.in + ${CMAKE_CURRENT_BINARY_DIR}/llvm-strip-link + @ONLY + ) +endif() - foreach(target ${LLVM_BUILTIN_TARGETS}) - builtin_register_target(${compiler_rt_path} ${target} - DEPENDS clang-resource-headers) +function(runtime_default_target) + cmake_parse_arguments(ARG "" "" "DEPENDS;PREFIXES" ${ARGN}) - add_dependencies(builtins builtins-${target}) - add_dependencies(install-builtins install-builtins-${target}) - add_dependencies(install-builtins-stripped install-builtins-${target}-stripped) - endforeach() - endif() - set(deps 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() + 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) - # We create a list 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_ rather than COMPILER_RT_, - # so when compiler-rt is enabled, consider both. - if(canon_name STREQUAL "COMPILER_RT") - list(APPEND prefixes SANITIZER) + 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() - - string(FIND ${projName} "lib" LIB_IDX) - if(LIB_IDX EQUAL 0) - string(SUBSTRING ${projName} 3 -1 projName) + endforeach() + foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS}) + if(NOT ${component} IN_LIST SUB_COMPONENTS) + list(APPEND extra_targets ${component} install-${component} install-${component}-stripped) endif() - list(APPEND runtime_names ${projName}) endforeach() - if(LLVM_RUNTIME_BUILD_ID_LINK_TARGETS) - configure_file( - ${CMAKE_CURRENT_SOURCE_DIR}/llvm-strip-link.in - ${CMAKE_CURRENT_BINARY_DIR}/llvm-strip-link - @ONLY - ) + if(LLVM_INCLUDE_TESTS) + list(APPEND test_targets runtimes-test-depends check-runtimes) endif() - function(runtime_default_target) - cmake_parse_arguments(ARG "" "" "DEPENDS;PREFIXES" ${ARGN}) + set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default ON) + # AIX should fold 32-bit & 64-bit arch libraries into a single archive. + if (TARGET_TRIPLE MATCHES "aix") + set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default OFF) + endif() - include(${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) + 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=${TARGET_TRIPLE} + -DLLVM_ENABLE_PROJECTS_USED=${LLVM_ENABLE_PROJECTS_USED} + -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default} + -DCMAKE_C_COMPILER_TARGET=${TARGET_TRIPLE} + -DCMAKE_CXX_COMPILER_TARGET=${TARGET_TRIPLE} + -DCMAKE_ASM_COMPILER_TARGET=${TARGET_TRIPLE} + -DCMAKE_C_COMPILER_WORKS=ON + -DCMAKE_CXX_COMPILER_WORKS=ON + -DCMAKE_ASM_COMPILER_WORKS=ON + ${RUNTIMES_CMAKE_ARGS} + PASSTHROUGH_PREFIXES LLVM_ENABLE_RUNTIMES + ${ARG_PREFIXES} + EXTRA_TARGETS ${extra_targets} + ${test_targets} + ${SUB_COMPONENTS} + ${SUB_CHECK_TARGETS} + ${SUB_INSTALL_TARGETS} + USE_TOOLCHAIN + ${EXTRA_ARGS}) +endfunction() - 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 ${component} install-${component} install-${component}-stripped) - endif() - endforeach() +# runtime_register_target(target) +# Utility function to register external runtime target. +function(runtime_register_target name target) + cmake_parse_arguments(ARG "" "" "DEPENDS;CMAKE_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) - if(LLVM_INCLUDE_TESTS) - list(APPEND test_targets runtimes-test-depends check-runtimes) - endif() + check_apple_target(${target} runtime) - set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default ON) - # AIX should fold 32-bit & 64-bit arch libraries into a single archive. - if (TARGET_TRIPLE MATCHES "aix") - set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default OFF) - endif() + set(${name}_deps ${ARG_DEPENDS}) + if(NOT name STREQUAL target) + list(APPEND ${name}_deps runtimes-${target}) + endif() - llvm_ExternalProject_Add(runtimes - ${CMAKE_CURRENT_SOURCE_DIR} - 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=${TARGET_TRIPLE} - -DLLVM_ENABLE_PROJECTS_USED=${LLVM_ENABLE_PROJECTS_USED} - -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default} - -DCMAKE_C_COMPILER_TARGET=${TARGET_TRIPLE} - -DCMAKE_CXX_COMPILER_TARGET=${TARGET_TRIPLE} - -DCMAKE_ASM_COMPILER_TARGET=${TARGET_TRIPLE} - -DCMAKE_C_COMPILER_WORKS=ON - -DCMAKE_CXX_COMPILER_WORKS=ON - -DCMAKE_ASM_COMPILER_WORKS=ON - ${RUNTIMES_CMAKE_ARGS} - PASSTHROUGH_PREFIXES LLVM_ENABLE_RUNTIMES - ${ARG_PREFIXES} - EXTRA_TARGETS ${extra_targets} - ${test_targets} - ${SUB_COMPONENTS} - ${SUB_CHECK_TARGETS} - ${SUB_INSTALL_TARGETS} - USE_TOOLCHAIN - ${EXTRA_ARGS}) - endfunction() - - # runtime_register_target(target) - # Utility function to register external runtime target. - function(runtime_register_target name target) - cmake_parse_arguments(ARG "" "" "DEPENDS;CMAKE_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) - - check_apple_target(${target} runtime) - - set(${name}_deps ${ARG_DEPENDS}) - if(NOT name STREQUAL target) - list(APPEND ${name}_deps runtimes-${target}) + 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(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}-${name}) - endif() - endforeach() + foreach(target_name IN LISTS SUB_COMPONENTS SUB_INSTALL_TARGETS) + set(${target_name}-${name} ${target_name}) + list(APPEND ${name}_extra_targets ${target_name}-${name}) + endforeach() - foreach(target_name IN LISTS SUB_COMPONENTS SUB_INSTALL_TARGETS) - set(${target_name}-${name} ${target_name}) - list(APPEND ${name}_extra_targets ${target_name}-${name}) - endforeach() + foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS}) + set(${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) + endforeach() - foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS}) - set(${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) + if(LLVM_INCLUDE_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-${name}) + foreach(target_name IN LISTS SUB_CHECK_TARGETS) + set(${target_name}-${name} ${target_name}) + list(APPEND ${name}_test_targets ${target_name}-${name}) + list(APPEND test_targets ${target_name}-${name}) endforeach() + set(test_targets "${test_targets}" PARENT_SCOPE) + endif() - if(LLVM_INCLUDE_TESTS) - set(runtimes-test-depends-${name} runtimes-test-depends) - set(check-runtimes-${name} check-runtimes) - list(APPEND ${name}_test_targets runtimes-test-depends-${name} check-runtimes-${name}) - foreach(target_name IN LISTS SUB_CHECK_TARGETS) - set(${target_name}-${name} ${target_name}) - list(APPEND ${name}_test_targets ${target_name}-${name}) - list(APPEND test_targets ${target_name}-${name}) - endforeach() - set(test_targets "${test_targets}" PARENT_SCOPE) + set(${name}_extra_args ${ARG_CMAKE_ARGS}) + get_cmake_property(variableNames VARIABLES) + foreach(variableName ${variableNames}) + string(FIND "${variableName}" "RUNTIMES_${target}_" out) + if("${out}" EQUAL 0) + string(REPLACE "RUNTIMES_${target}_" "" new_name ${variableName}) + string(REPLACE ";" "|" new_value "${${variableName}}") + list(APPEND ${name}_extra_args "-D${new_name}=${new_value}") endif() - - set(${name}_extra_args ${ARG_CMAKE_ARGS}) - get_cmake_property(variableNames VARIABLES) + endforeach() + if(NOT "${name}" STREQUAL "${target}") foreach(variableName ${variableNames}) - string(FIND "${variableName}" "RUNTIMES_${target}_" out) + string(FIND "${variableName}" "RUNTIMES_${name}_" out) if("${out}" EQUAL 0) - string(REPLACE "RUNTIMES_${target}_" "" new_name ${variableName}) + string(REPLACE "RUNTIMES_${name}_" "" new_name ${variableName}) string(REPLACE ";" "|" new_value "${${variableName}}") list(APPEND ${name}_extra_args "-D${new_name}=${new_value}") endif() endforeach() - if(NOT "${name}" STREQUAL "${target}") - foreach(variableName ${variableNames}) - string(FIND "${variableName}" "RUNTIMES_${name}_" out) - if("${out}" EQUAL 0) - string(REPLACE "RUNTIMES_${name}_" "" new_name ${variableName}) - string(REPLACE ";" "|" new_value "${${variableName}}") - list(APPEND ${name}_extra_args "-D${new_name}=${new_value}") - endif() - endforeach() - endif() + endif() - if(NOT RUNTIMES_${name}_LLVM_ENABLE_RUNTIMES AND NOT RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES) - string(REPLACE ";" "|" LLVM_ENABLE_RUNTIMES_PASSTHROUGH "${LLVM_ENABLE_RUNTIMES}") - list(APPEND ${name}_extra_args -DLLVM_ENABLE_RUNTIMES=${LLVM_ENABLE_RUNTIMES_PASSTHROUGH}) - endif() + if(NOT RUNTIMES_${name}_LLVM_ENABLE_RUNTIMES AND NOT RUNTIMES_${target}_LLVM_ENABLE_RUNTIMES) + string(REPLACE ";" "|" LLVM_ENABLE_RUNTIMES_PASSTHROUGH "${LLVM_ENABLE_RUNTIMES}") + list(APPEND ${name}_extra_args -DLLVM_ENABLE_RUNTIMES=${LLVM_ENABLE_RUNTIMES_PASSTHROUGH}) + endif() - if(target IN_LIST LLVM_RUNTIME_BUILD_ID_LINK_TARGETS) - list(APPEND EXTRA_ARGS STRIP_TOOL ${CMAKE_CURRENT_BINARY_DIR}/llvm-strip-link) - endif() + if(target IN_LIST LLVM_RUNTIME_BUILD_ID_LINK_TARGETS) + list(APPEND EXTRA_ARGS STRIP_TOOL ${CMAKE_CURRENT_BINARY_DIR}/llvm-strip-link) + endif() + + llvm_ExternalProject_Add(runtimes-${name} + ${CMAKE_CURRENT_SOURCE_DIR}/../../runtimes + DEPENDS ${${name}_deps} + # Builtins were built separately above + CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off + -DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS} + -DLLVM_DEFAULT_TARGET_TRIPLE=${target} + -DLLVM_ENABLE_PROJECTS_USED=${LLVM_ENABLE_PROJECTS_USED} + -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON + -DCMAKE_C_COMPILER_TARGET=${target} + -DCMAKE_CXX_COMPILER_TARGET=${target} + -DCMAKE_ASM_COMPILER_TARGET=${target} + -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} + ${${name}_extra_args} + EXTRA_TARGETS ${${name}_extra_targets} + ${${name}_test_targets} + USE_TOOLCHAIN + ${EXTRA_ARGS}) +endfunction() - llvm_ExternalProject_Add(runtimes-${name} - ${CMAKE_CURRENT_SOURCE_DIR} - DEPENDS ${${name}_deps} - # Builtins were built separately above - CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off - -DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS} - -DLLVM_DEFAULT_TARGET_TRIPLE=${target} - -DLLVM_ENABLE_PROJECTS_USED=${LLVM_ENABLE_PROJECTS_USED} - -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON - -DCMAKE_C_COMPILER_TARGET=${target} - -DCMAKE_CXX_COMPILER_TARGET=${target} - -DCMAKE_ASM_COMPILER_TARGET=${target} - -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} - ${${name}_extra_args} - EXTRA_TARGETS ${${name}_extra_targets} - ${${name}_test_targets} - USE_TOOLCHAIN - ${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 invocaiton. - if(NOT LLVM_RUNTIME_TARGETS) +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 invocaiton. + if(NOT LLVM_RUNTIME_TARGETS) + runtime_default_target( + DEPENDS ${deps} + PREFIXES ${prefixes}) + set(test_targets check-runtimes) + else() + if("default" IN_LIST LLVM_RUNTIME_TARGETS) runtime_default_target( DEPENDS ${deps} PREFIXES ${prefixes}) - set(test_targets check-runtimes) + list(REMOVE_ITEM LLVM_RUNTIME_TARGETS "default") else() - if("default" IN_LIST LLVM_RUNTIME_TARGETS) - runtime_default_target( - DEPENDS ${deps} - 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) + 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() - 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() + endif() - foreach(name ${LLVM_RUNTIME_TARGETS}) - runtime_register_target(${name} ${name} - DEPENDS ${deps}) - - add_dependencies(runtimes runtimes-${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(name ${LLVM_RUNTIME_TARGETS}) + runtime_register_target(${name} ${name} + DEPENDS ${deps}) + + add_dependencies(runtimes runtimes-${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() + endforeach() - foreach(multilib ${LLVM_RUNTIME_MULTILIBS}) - foreach(name ${LLVM_RUNTIME_MULTILIB_${multilib}_TARGETS}) - runtime_register_target(${name}+${multilib} ${name} - DEPENDS runtimes-${name} - CMAKE_ARGS -DLLVM_RUNTIMES_PREFIX=${name}/ - -DLLVM_RUNTIMES_LIBDIR_SUBDIR=${multilib}) - 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(multilib ${LLVM_RUNTIME_MULTILIBS}) + foreach(name ${LLVM_RUNTIME_MULTILIB_${multilib}_TARGETS}) + runtime_register_target(${name}+${multilib} ${name} + DEPENDS runtimes-${name} + CMAKE_ARGS -DLLVM_RUNTIMES_PREFIX=${name}/ + -DLLVM_RUNTIMES_LIBDIR_SUBDIR=${multilib}) + 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() - endif() + 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(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() + 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} ${RUNTIMES_TEST_DEPENDS}) + endforeach() endif() endif() diff --git a/runtimes/CMakeLists.txt b/runtimes/CMakeLists.txt new file mode 100644 --- /dev/null +++ b/runtimes/CMakeLists.txt @@ -0,0 +1,200 @@ +# This file handles building LLVM runtime sub-projects. +cmake_minimum_required(VERSION 3.13.4) +project(Runtimes C CXX ASM) + +set(LLVM_ALL_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind;openmp") +set(LLVM_ENABLE_RUNTIMES "" CACHE STRING + "Semicolon-separated list of runtimes to build (${LLVM_ALL_RUNTIMES}), or \"all\".") +if(LLVM_ENABLE_RUNTIMES STREQUAL "all" ) + set(LLVM_ENABLE_RUNTIMES ${LLVM_ALL_RUNTIMES}) +endif() + +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(runtime_register_component name) + set_property(GLOBAL APPEND PROPERTY SUB_COMPONENTS ${name}) +endfunction() + +find_package(LLVM PATHS "${LLVM_BINARY_DIR}" NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH) +find_package(Clang PATHS "${LLVM_BINARY_DIR}" NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH) + +# Add path for custom and the LLVM build's modules to the CMake module path. +list(INSERT CMAKE_MODULE_PATH 0 + "${CMAKE_CURRENT_SOURCE_DIR}/cmake" + "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" + "${CMAKE_CURRENT_SOURCE_DIR}/../llvm/cmake" + "${CMAKE_CURRENT_SOURCE_DIR}/../llvm/cmake/modules" +) + +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() + +# Some of the runtimes will conditionally use the compiler-rt sanitizers +# to make this work smoothly we ensure that compiler-rt is added first in +# the list of sub-projects. This allows other sub-projects to have checks +# like `if(TARGET asan)` to enable building with asan. +get_compiler_rt_path(compiler_rt_path) +if(compiler_rt_path) + list(REMOVE_ITEM runtimes ${compiler_rt_path}) + if(NOT DEFINED LLVM_BUILD_COMPILER_RT OR LLVM_BUILD_COMPILER_RT) + list(INSERT runtimes 0 ${compiler_rt_path}) + endif() +endif() + +# Setting these variables will allow the sub-build to put their outputs into +# the library and bin directories of the top-level build. +set(LLVM_LIBRARY_OUTPUT_INTDIR ${LLVM_LIBRARY_DIR}) +set(LLVM_RUNTIME_OUTPUT_INTDIR ${LLVM_TOOLS_BINARY_DIR}) + +# This variable makes sure that e.g. llvm-lit is found. +set(LLVM_MAIN_SRC_DIR ${LLVM_BUILD_MAIN_SRC_DIR}) +set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules) + +# This variable is used by individual runtimes to locate LLVM files. +set(LLVM_PATH ${LLVM_BUILD_MAIN_SRC_DIR}) + +if(APPLE) + set(LLVM_ENABLE_LIBCXX ON CACHE BOOL "") +endif() + +include(CheckLibraryExists) +include(CheckCCompilerFlag) + +# We don't have libc++ (yet)... +set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -nostdinc++ -nostdlib++") + +# ...but we need access to libc++ headers for CMake checks to succeed. +if (LLVM_EXTERNAL_LIBCXX_SOURCE_DIR AND "libcxx" IN_LIST LLVM_ENABLE_RUNTIMES) + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -isystem ${LLVM_EXTERNAL_LIBCXX_SOURCE_DIR}/include") +endif() + +# Avoid checking whether the compiler is working. +set(LLVM_COMPILER_CHECKED ON) + +# Handle common options used by all runtimes. +include(AddLLVM) +include(HandleLLVMOptions) +include(FindPythonInterp) + +# Remove the -nostdlib++ option we've added earlier. +string(REPLACE "-nostdlib++" "" CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}") + +# Use libtool instead of ar if you are both on an Apple host, and targeting Apple. +if(CMAKE_HOST_APPLE AND APPLE) + include(UseLibtool) +endif() + +# This can be used to detect whether we're in the runtimes build. +set(RUNTIMES_BUILD ON) + +foreach(entry ${runtimes}) + get_filename_component(projName ${entry} NAME) + + # TODO: Clean this up as part of an interface standardization + string(REPLACE "-" "_" canon_name ${projName}) + string(TOUPPER ${canon_name} canon_name) + + # The subdirectories need to treat this as standalone builds. D57992 tried + # to get rid of this, but the runtimes treat *_STANDALONE_BUILD=OFF as if + # llvm & clang are configured in the same CMake, and setup dependencies + # against their targets. OpenMP has fixed the issue so we don't set the + # variable. + if (NOT ${canon_name} STREQUAL "OPENMP") + set(${canon_name}_STANDALONE_BUILD ON) + endif() + + if(LLVM_RUNTIMES_LIBDIR_SUBDIR) + set(${canon_name}_LIBDIR_SUBDIR "${LLVM_RUNTIMES_LIBDIR_SUBDIR}" CACHE STRING "" FORCE) + endif() + + # Setting a variable to let sub-projects detect which other projects + # will be included under here. + set(HAVE_${canon_name} ON) +endforeach() + +# We do this in two loops so that HAVE_* is set for each runtime before the +# other runtimes are added. +foreach(entry ${runtimes}) + get_filename_component(projName ${entry} NAME) + + # Between each sub-project we want to cache and clear the LIT properties + set_property(GLOBAL PROPERTY LLVM_LIT_TESTSUITES) + set_property(GLOBAL PROPERTY LLVM_LIT_PARAMS) + set_property(GLOBAL PROPERTY LLVM_LIT_DEPENDS) + set_property(GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS) + + add_subdirectory(${entry} ${projName}) + + get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES) + get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS) + get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS) + get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS) + + list(APPEND RUNTIMES_LIT_TESTSUITES ${LLVM_LIT_TESTSUITES}) + list(APPEND RUNTIMES_LIT_PARAMS ${LLVM_LIT_PARAMS}) + list(APPEND RUNTIMES_LIT_DEPENDS ${LLVM_LIT_DEPENDS}) + list(APPEND RUNTIMES_LIT_EXTRA_ARGS ${LLVM_LIT_EXTRA_ARGS}) +endforeach() + +if(LLVM_INCLUDE_TESTS) + # Add a global check rule now that all subdirectories have been traversed + # and we know the total set of lit testsuites. + + add_lit_target(check-runtimes + "Running all regression tests" + ${RUNTIMES_LIT_TESTSUITES} + PARAMS ${RUNTIMES_LIT_PARAMS} + DEPENDS ${RUNTIMES_LIT_DEPENDS} + ARGS ${RUNTIMES_LIT_EXTRA_ARGS} + ) + add_custom_target(runtimes-test-depends DEPENDS ${RUNTIMES_LIT_DEPENDS}) +endif() + +get_property(SUB_COMPONENTS GLOBAL PROPERTY SUB_COMPONENTS) +if(SUB_COMPONENTS) + list(REMOVE_DUPLICATES SUB_COMPONENTS) + foreach(component ${SUB_COMPONENTS}) + if(NOT TARGET ${component}) + message(SEND_ERROR "Missing target for runtime component ${component}!") + continue() + endif() + + if(TARGET check-${component}) + list(APPEND SUB_CHECK_TARGETS check-${component}) + endif() + + if(TARGET install-${component}) + list(APPEND SUB_INSTALL_TARGETS install-${component}) + endif() + if(TARGET install-${component}-stripped) + list(APPEND SUB_INSTALL_TARGETS install-${component}-stripped) + endif() + endforeach() + + if(LLVM_RUNTIMES_TARGET) + configure_file( + ${CMAKE_CURRENT_SOURCE_DIR}/Components.cmake.in + ${LLVM_BINARY_DIR}/runtimes/${LLVM_RUNTIMES_TARGET}/Components.cmake) + else() + configure_file( + ${CMAKE_CURRENT_SOURCE_DIR}/Components.cmake.in + ${LLVM_BINARY_DIR}/runtimes/Components.cmake) + endif() +endif() diff --git a/llvm/runtimes/Components.cmake.in b/runtimes/Components.cmake.in rename from llvm/runtimes/Components.cmake.in rename to runtimes/Components.cmake.in