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llvm-mirror/runtimes/CMakeLists.txt
Petr Hosek 98bed1a704 [CMake] Use -isystem flag to access libc++ headers 
This is a partial revert of D62155. Rather than copying libc++ headers
into the build directory to be later overwritten by the final headers,
use -isystem flag to access libc++ headers during CMake checks. This
should address the occasional flake we've seen, especially on Windows
builders where CMake fails to overwrite __config with the final version.

Differential Revision: https://reviews.llvm.org/D88454
2020-10-01 12:09:27 -07:00

655 lines
28 KiB
CMake
Raw Blame History

# 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 ${entry})
endif()
endforeach()
# Side-by-side subprojects layout.
set(LLVM_ALL_RUNTIMES "libcxx;libcxxabi;libunwind;compiler-rt")
set(LLVM_ENABLE_RUNTIMES "" CACHE STRING
"Semicolon-separated list of runtimes to build (${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(get_compiler_rt_path path)
foreach(entry ${runtimes})
get_filename_component(projName ${entry} NAME)
if("${projName}" MATCHES "compiler-rt")
set(${path} ${entry} PARENT_SCOPE)
return()
endif()
endforeach()
endfunction()
# If this file is acting as a top-level CMake invocation, this code path is
# triggered by the external project call for the runtimes target below.
if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
function(runtime_register_component name)
set_property(GLOBAL APPEND PROPERTY SUB_COMPONENTS ${name})
endfunction()
cmake_minimum_required(VERSION 3.13.4)
project(Runtimes C CXX ASM)
find_package(LLVM PATHS "${LLVM_BINARY_DIR}" NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
# 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"
)
# 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 ${LLVM_BUILD_MAIN_SRC_DIR})
if(APPLE)
set(LLVM_ENABLE_LIBCXX ON CACHE BOOL "")
endif()
include(CheckLibraryExists)
include(CheckCCompilerFlag)
include(CMakePushCheckState)
cmake_push_check_state()
# We don't have libc++ (yet)...
set(CMAKE_REQUIRED_FLAGS "${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)
cmake_pop_check_state()
# 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 ${canon_name} canon_name)
# The subdirectories need to treat this as standalone builds. D57992 tried
# to get rid of this, but the runtimes treat *_STANDALONE_BUILD=OFF as if
# llvm & clang are configured in the same CMake, and setup dependencies
# against their targets.
set(${canon_name}_STANDALONE_BUILD ON)
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()
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.")
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()
function(builtin_default_target compiler_rt_path)
cmake_parse_arguments(ARG "" "" "DEPENDS" ${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()
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}=${new_value}")
endif()
endforeach()
llvm_ExternalProject_Add(builtins-${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()
foreach(target ${LLVM_BUILTIN_TARGETS})
builtin_register_target(${compiler_rt_path} ${target}
DEPENDS clang-resource-headers)
add_dependencies(builtins builtins-${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()
# 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})
# 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()
string(FIND ${projName} "lib" LIB_IDX)
if(LIB_IDX EQUAL 0)
string(SUBSTRING ${projName} 3 -1 projName)
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
)
endif()
function(runtime_default_target)
cmake_parse_arguments(ARG "" "" "DEPENDS;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 ${component} install-${component} install-${component}-stripped)
endif()
endforeach()
if(LLVM_INCLUDE_TESTS)
list(APPEND test_targets runtimes-test-depends check-runtimes)
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()
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})
endif()
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(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()
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 "${test_targets}" PARENT_SCOPE)
endif()
set(${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}=${new_value}")
endif()
endforeach()
if(NOT "${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}=${new_value}")
endif()
endforeach()
endif()
if(NOT RUNTIMES_${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 ${CMAKE_CURRENT_BINARY_DIR}/llvm-strip-link)
endif()
llvm_ExternalProject_Add(runtimes-${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)
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})
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 ${LLVM_RUNTIME_TARGETS})
runtime_register_target(${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()
endforeach()
endforeach()
endif()
if(NOT LLVM_BUILD_INSTRUMENTED AND CLANG_ENABLE_BOOTSTRAP)
# TODO: This is a hack needed because the libcxx headers are copied into the
# build directory during configuration. Without that step the clang in the
# build directory cannot find the C++ headers in certain configurations.
# I need to build a mechanism for runtime projects to provide CMake code
# that executes at LLVM configuration time to handle this case.
add_dependencies(clang-bootstrap-deps runtimes-configure)
# We need to add the runtimes as a dependency because compiler-rt can be
# built as part of runtimes and we need the profile runtime for PGO
add_dependencies(clang-bootstrap-deps runtimes)
endif()
if(LLVM_INCLUDE_TESTS)
set_property(GLOBAL APPEND PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS runtimes-test-depends)
set_property(GLOBAL APPEND PROPERTY LLVM_ADDITIONAL_TEST_TARGETS check-runtimes)
set(RUNTIMES_TEST_DEPENDS
FileCheck
count
llvm-nm
llvm-objdump
llvm-xray
not
obj2yaml
sancov
sanstats
gtest_main
gtest
)
foreach(target ${test_targets} ${SUB_CHECK_TARGETS})
add_dependencies(${target} ${RUNTIMES_TEST_DEPENDS})
endforeach()
endif()
endif()
endif()
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