# TODO: Set the install directory.
include(ExternalProject)
set(known_subdirs
"libcxx"
)
foreach (dir ${known_subdirs})
if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${dir}/CMakeLists.txt)
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${dir})
endif()
endforeach()
function(get_ext_project_build_command out_var target)
if (CMAKE_GENERATOR MATCHES "Make")
# Use special command for Makefiles to support parallelism.
set(${out_var} "$(MAKE)" "${target}" PARENT_SCOPE)
else()
set(${out_var} ${CMAKE_COMMAND} --build . --target ${target}
--config $<CONFIG> PARENT_SCOPE)
endif()
endfunction()
set(COMPILER_RT_SRC_ROOT ${LLVM_MAIN_SRC_DIR}/projects/compiler-rt)
# Fallback to the external path, if the other one isn't available.
# This is the same behavior (try "internal", then check the LLVM_EXTERNAL_...
# variable) as in add_llvm_external_project
if(NOT EXISTS ${COMPILER_RT_SRC_ROOT})
# We don't want to set it if LLVM_EXTERNAL_COMPILER_RT_SOURCE_DIR is ""
if(LLVM_EXTERNAL_COMPILER_RT_SOURCE_DIR)
set(COMPILER_RT_SRC_ROOT ${LLVM_EXTERNAL_COMPILER_RT_SOURCE_DIR})
endif()
endif()
if(LLVM_BUILD_EXTERNAL_COMPILER_RT AND EXISTS ${COMPILER_RT_SRC_ROOT}/)
# Add compiler-rt as an external project.
set(COMPILER_RT_PREFIX ${CMAKE_BINARY_DIR}/projects/compiler-rt)
set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/compiler-rt-stamps/)
set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/compiler-rt-bins/)
add_custom_target(compiler-rt-clear
COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR}
COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR}
COMMENT "Clobberring compiler-rt build and stamp directories"
)
# Find all variables that start with COMPILER_RT and populate a variable with
# them.
get_cmake_property(variableNames VARIABLES)
foreach(variableName ${variableNames})
if(variableName MATCHES "^COMPILER_RT")
string(REPLACE ";" "\;" value "${${variableName}}")
list(APPEND COMPILER_RT_PASSTHROUGH_VARIABLES
-D${variableName}=${value})
endif()
endforeach()
set(compiler_rt_configure_deps)
if(TARGET cxx-headers)
list(APPEND compiler_rt_configure_deps "cxx-headers")
endif()
if(LLVM_INCLUDE_TESTS)
list(APPEND compiler_rt_configure_deps LLVMTestingSupport)
endif()
include(GetClangResourceDir)
get_clang_resource_dir(output_resource_dir PREFIX ${LLVM_BINARY_DIR})
get_clang_resource_dir(install_resource_dir)
ExternalProject_Add(compiler-rt
DEPENDS llvm-config clang ${compiler_rt_configure_deps}
PREFIX ${COMPILER_RT_PREFIX}
SOURCE_DIR ${COMPILER_RT_SRC_ROOT}
STAMP_DIR ${STAMP_DIR}
BINARY_DIR ${BINARY_DIR}
CMAKE_ARGS ${CLANG_COMPILER_RT_CMAKE_ARGS}
-DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
-DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++
-DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}
-DCMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER}
-DCMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER}
-DLLVM_CONFIG_PATH=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-config
-DLLVM_LIT_ARGS=${LLVM_LIT_ARGS}
-DCOMPILER_RT_OUTPUT_DIR=${output_resource_dir}
-DCOMPILER_RT_EXEC_OUTPUT_DIR=${LLVM_RUNTIME_OUTPUT_INTDIR}
-DCOMPILER_RT_INSTALL_PATH:PATH=${install_resource_dir}
-DCOMPILER_RT_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
-DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
-DLLVM_LIBDIR_SUFFIX=${LLVM_LIBDIR_SUFFIX}
-DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_RUNTIME_OUTPUT_INTDIR}
-DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET}
-DCMAKE_OSX_SYSROOT:PATH=${CMAKE_OSX_SYSROOT}
${COMPILER_RT_PASSTHROUGH_VARIABLES}
INSTALL_COMMAND ""
STEP_TARGETS configure build
USES_TERMINAL_CONFIGURE 1
USES_TERMINAL_BUILD 1
USES_TERMINAL_INSTALL 1
# Always run the build command so that incremental builds are correct.
BUILD_ALWAYS 1
)
get_ext_project_build_command(run_clean_compiler_rt clean)
ExternalProject_Add_Step(compiler-rt clean
COMMAND ${run_clean_compiler_rt}
COMMENT "Cleaning compiler-rt..."
DEPENDEES configure
DEPENDERS build
DEPENDS clang
WORKING_DIRECTORY ${BINARY_DIR}
)
install(CODE "execute_process\(COMMAND \${CMAKE_COMMAND} -DCMAKE_INSTALL_PREFIX=\${CMAKE_INSTALL_PREFIX} -P ${BINARY_DIR}/cmake_install.cmake \)"
COMPONENT compiler-rt)
add_llvm_install_targets(install-compiler-rt
DEPENDS compiler-rt
COMPONENT compiler-rt)
# Add top-level targets that build specific compiler-rt runtimes.
set(COMPILER_RT_RUNTIMES fuzzer asan builtins dfsan lsan msan profile tsan ubsan ubsan-minimal)
foreach(runtime ${COMPILER_RT_RUNTIMES})
get_ext_project_build_command(build_runtime_cmd ${runtime})
add_custom_target(${runtime}
COMMAND ${build_runtime_cmd}
DEPENDS compiler-rt-configure
WORKING_DIRECTORY ${BINARY_DIR}
VERBATIM USES_TERMINAL)
endforeach()
if(LLVM_INCLUDE_TESTS)
# Add binaries that compiler-rt tests depend on.
set(COMPILER_RT_TEST_DEPENDENCIES
FileCheck count not llvm-nm llvm-objdump llvm-symbolizer llvm-jitlink lli split-file)
# Add top-level targets for various compiler-rt test suites.
set(COMPILER_RT_TEST_SUITES
check-asan
check-asan-dynamic
check-cfi
check-cfi-and-supported
check-dfsan
check-fuzzer
check-gwp_asan
check-hwasan
check-lsan
check-msan
check-profile
check-safestack
check-sanitizer
check-tsan
check-ubsan
check-ubsan-minimal
)
foreach(test_suite ${COMPILER_RT_TEST_SUITES})
get_ext_project_build_command(run_test_suite ${test_suite})
add_custom_target(${test_suite}
COMMAND ${run_test_suite}
DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES}
WORKING_DIRECTORY ${BINARY_DIR}
VERBATIM
USES_TERMINAL
)
endforeach()
# Add special target to run all compiler-rt test suites.
get_ext_project_build_command(run_check_compiler_rt check-all)
add_custom_target(check-compiler-rt
COMMAND ${run_check_compiler_rt}
DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES}
WORKING_DIRECTORY ${BINARY_DIR}
VERBATIM USES_TERMINAL)
# Add special target to run all compiler-rt test suites.
get_ext_project_build_command(run_check_compiler_rt compiler-rt-test-depends)
add_custom_target(compiler-rt-test-depends
COMMAND ${run_check_compiler_rt}
DEPENDS compiler-rt-build ${COMPILER_RT_TEST_DEPENDENCIES}
WORKING_DIRECTORY ${BINARY_DIR}
VERBATIM USES_TERMINAL)
set_property(GLOBAL APPEND PROPERTY LLVM_ALL_ADDITIONAL_TEST_DEPENDS compiler-rt-test-depends)
set_property(GLOBAL APPEND PROPERTY LLVM_ALL_ADDITIONAL_TEST_TARGETS check-compiler-rt)
endif()
endif()
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