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# 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 $<CONFIGURATION> PARENT_SCOPE)
endif()
endfunction()
set(COMPILER_RT_SRC_ROOT ${LLVM_MAIN_SRC_DIR}/projects/compiler-rt)
if(LLVM_BUILD_EXTERNAL_COMPILER_RT AND EXISTS ${COMPILER_RT_SRC_ROOT}/)
if(CMAKE_GENERATOR MATCHES "Ninja")
message(FATAL_ERROR
"Ninja generator can't build compiler-rt as ExternalProject."
"Unset LLVM_BUILD_EXTERNAL_COMPILER_RT, or don't use Ninja."
"See http://www.cmake.org/Bug/view.php?id=14771")
endif()
# Add compiler-rt as an external project.
set(COMPILER_RT_PREFIX ${CMAKE_BINARY_DIR}/projects/compiler-rt)
ExternalProject_Add(compiler-rt
PREFIX ${COMPILER_RT_PREFIX}
SOURCE_DIR ${COMPILER_RT_SRC_ROOT}
CMAKE_ARGS -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
-DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++
-DCMAKE_BUILD_TYPE=Release
-DLLVM_CONFIG_PATH=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-config
-DCOMPILER_RT_OUTPUT_DIR=${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION}
-DCOMPILER_RT_EXEC_OUTPUT_DIR=${LLVM_RUNTIME_OUTPUT_INTDIR}
-DCOMPILER_RT_INSTALL_PATH=lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION}
-DCOMPILER_RT_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
-DCOMPILER_RT_ENABLE_WERROR=ON
INSTALL_COMMAND ""
STEP_TARGETS configure build
)
# Due to a bug, DEPENDS in ExternalProject_Add doesn't work
# in CMake 2.8.9 and 2.8.10.
add_dependencies(compiler-rt llvm-config clang)
# Add a custom step to always re-configure compiler-rt (in case some of its
# sources have changed).
ExternalProject_Add_Step(compiler-rt force-reconfigure
DEPENDERS configure
ALWAYS 1
)
ExternalProject_Add_Step(compiler-rt clobber
COMMAND ${CMAKE_COMMAND} -E remove_directory <BINARY_DIR>
COMMAND ${CMAKE_COMMAND} -E make_directory <BINARY_DIR>
COMMENT "Clobberring compiler-rt build directory..."
DEPENDERS configure
DEPENDS ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang
)
ExternalProject_Get_Property(compiler-rt BINARY_DIR)
set(COMPILER_RT_BINARY_DIR ${BINARY_DIR})
# Add top-level targets that build specific compiler-rt runtimes.
set(COMPILER_RT_RUNTIMES asan builtins dfsan lsan msan profile tsan ubsan)
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 ${COMPILER_RT_BINARY_DIR}
VERBATIM)
endforeach()
# Add binaries that compiler-rt tests depend on.
set(COMPILER_RT_TEST_DEPENDENCIES
FileCheck count not llvm-nm llvm-symbolizer)
# Add top-level targets for various compiler-rt test suites.
set(COMPILER_RT_TEST_SUITES check-asan check-asan-dynamic check-dfsan
check-lsan check-msan check-sanitizer check-tsan check-ubsan)
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 ${COMPILER_RT_BINARY_DIR}
VERBATIM)
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 ${COMPILER_RT_BINARY_DIR}
VERBATIM)
endif()
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