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add_subdirectory(tools)
# By default, libcxx and libcxxabi share a library directory.
if (NOT LIBCXX_CXX_ABI_LIBRARY_PATH)
set(LIBCXX_CXX_ABI_LIBRARY_PATH "${LIBCXX_LIBRARY_DIR}" CACHE PATH
"The path to libc++abi library.")
endif()
set(LIBCXX_EXECUTOR "\\\"${Python3_EXECUTABLE}\\\" ${CMAKE_CURRENT_LIST_DIR}/../utils/run.py" CACHE STRING
"Executor to use when running tests.")
set(AUTO_GEN_COMMENT "## Autogenerated by libcxx configuration.\n# Do not edit!")
set(SERIALIZED_LIT_PARAMS "# Lit parameters serialized here for llvm-lit to pick them up\n")
macro(serialize_lit_param param value)
string(APPEND SERIALIZED_LIT_PARAMS "config.${param} = ${value}\n")
endmacro()
if (NOT LIBCXX_ENABLE_EXCEPTIONS)
serialize_lit_param(enable_exceptions False)
endif()
if (NOT LIBCXX_ENABLE_RTTI)
serialize_lit_param(enable_rtti False)
endif()
if (LIBCXX_ENABLE_ASSERTIONS)
serialize_lit_param(enable_assertions True)
endif()
serialize_lit_param(hardening_mode "\"${LIBCXX_HARDENING_MODE}\"")
if (CMAKE_CXX_COMPILER_TARGET)
serialize_lit_param(target_triple "\"${CMAKE_CXX_COMPILER_TARGET}\"")
else()
serialize_lit_param(target_triple "\"${LLVM_DEFAULT_TARGET_TRIPLE}\"")
endif()
if (LLVM_USE_SANITIZER)
serialize_lit_param(use_sanitizer "\"${LLVM_USE_SANITIZER}\"")
endif()
foreach(param IN LISTS LIBCXX_TEST_PARAMS)
string(REGEX REPLACE "(.+)=(.+)" "\\1" name "${param}")
string(REGEX REPLACE "(.+)=(.+)" "\\2" value "${param}")
serialize_lit_param("${name}" "\"${value}\"")
endforeach()
if (NOT DEFINED LIBCXX_TEST_DEPS)
message(FATAL_ERROR "Expected LIBCXX_TEST_DEPS to be defined")
endif()
if (LIBCXX_INCLUDE_TESTS)
include(AddLLVM) # for configure_lit_site_cfg and add_lit_testsuite
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/configs/cmake-bridge.cfg.in"
"${CMAKE_CURRENT_BINARY_DIR}/cmake-bridge.cfg"
@ONLY)
configure_lit_site_cfg(
"${LIBCXX_TEST_CONFIG}"
${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
MAIN_CONFIG "${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py")
add_custom_target(cxx-test-depends
DEPENDS cxx ${LIBCXX_TEST_DEPS}
COMMENT "Builds dependencies required to run the test suite.")
add_lit_testsuite(check-cxx
"Running libcxx tests"
${CMAKE_CURRENT_BINARY_DIR}
DEPENDS cxx-test-depends)
if(LIBCXX_ENABLE_STD_MODULES)
# Generates the modules used in the test.
# Note the test will regenerate this with the proper setting
# - the right DCMAKE_CXX_STANDARD
# - the right test compilation flags
# Since modules depend on these flags there currently is no way to
# avoid generating these for the tests. The advantage of the
# pre generation is that less build information needs to be shared
# in the bridge.
add_custom_command(
OUTPUT "${CMAKE_BINARY_DIR}/test/__config_module__/CMakeCache.txt"
COMMAND
${CMAKE_COMMAND}
"-G${CMAKE_GENERATOR}"
"-DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}"
"-B${CMAKE_BINARY_DIR}/test/__config_module__"
"-H${LIBCXX_GENERATED_MODULE_DIR}"
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
"-DCMAKE_CXX_STANDARD=23"
"-DCMAKE_EXPORT_COMPILE_COMMANDS=ON"
)
add_custom_target(generate-test-module-std
DEPENDS "${CMAKE_BINARY_DIR}/test/__config_module__/CMakeCache.txt"
COMMENT "Builds generic module std.")
endif()
endif()
if (LIBCXX_GENERATE_COVERAGE)
include(CodeCoverage)
set(output_dir "${CMAKE_CURRENT_BINARY_DIR}/coverage")
set(capture_dirs
"${LIBCXX_LIB_CMAKEFILES_DIR}/cxx_objects.dir/"
"${LIBCXX_LIB_CMAKEFILES_DIR}/cxx.dir/"
"${LIBCXX_LIB_CMAKEFILES_DIR}/cxx_experimental.dir/"
"${CMAKE_CURRENT_BINARY_DIR}")
set(extract_dirs "${LIBCXX_SOURCE_DIR}/include;${LIBCXX_SOURCE_DIR}/src")
setup_lcov_test_target_coverage("cxx" "${output_dir}" "${capture_dirs}" "${extract_dirs}")
endif()
if (LIBCXX_CONFIGURE_IDE)
# Create dummy targets for each of the tests in the test suite, this allows
# IDE's such as CLion to correctly highlight the tests because it knows
# roughly what include paths/compile flags/macro definitions are needed.
include_directories(support)
file(GLOB_RECURSE LIBCXX_TESTS ${CMAKE_CURRENT_SOURCE_DIR}/*.pass.cpp)
file(GLOB LIBCXX_TEST_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/support/*)
file(GLOB_RECURSE LIBCXX_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/*)
add_executable(libcxx_test_objects EXCLUDE_FROM_ALL
${LIBCXX_TESTS} ${LIBCXX_TEST_HEADERS} ${LIBCXX_HEADERS})
add_dependencies(libcxx_test_objects cxx)
split_list(LIBCXX_COMPILE_FLAGS)
split_list(LIBCXX_LINK_FLAGS)
set_target_properties(libcxx_test_objects
PROPERTIES
COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}"
LINK_FLAGS "${LIBCXX_LINK_FLAGS}"
EXCLUDE_FROM_ALL ON
)
endif()
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