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# Test target to run Python test suite from main build.
add_custom_target(check-clang-python
COMMAND ${CMAKE_COMMAND} -E env
CLANG_LIBRARY_PATH=$<TARGET_FILE_DIR:libclang>
"${Python3_EXECUTABLE}" -m unittest discover
DEPENDS libclang
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/..)
set(RUN_PYTHON_TESTS TRUE)
set_target_properties(check-clang-python PROPERTIES FOLDER "Clang tests")
# Tests require libclang.so which is only built with LLVM_ENABLE_PIC=ON
if(NOT LLVM_ENABLE_PIC)
set(RUN_PYTHON_TESTS FALSE)
endif()
# Do not try to run if libclang was built with ASan because
# the sanitizer library will likely be loaded too late to perform
# interception and will then fail.
# We could use LD_PRELOAD/DYLD_INSERT_LIBRARIES but this isn't
# portable so its easier just to not run the tests when building
# with ASan.
list(FIND LLVM_USE_SANITIZER "Address" LLVM_USE_ASAN_INDEX)
if(NOT LLVM_USE_ASAN_INDEX EQUAL -1)
set(RUN_PYTHON_TESTS FALSE)
endif()
# Tests fail on Windows, and need someone knowledgeable to fix.
# It's not clear whether it's a test or a valid binding problem.
if(WIN32)
set(RUN_PYTHON_TESTS FALSE)
endif()
# The Python FFI interface is broken on AIX: https://bugs.python.org/issue38628.
if(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
set(RUN_PYTHON_TESTS FALSE)
endif()
# AArch64, Hexagon, and Sparc have known test failures that need to be
# addressed.
# SystemZ has broken Python/FFI interface:
# https://reviews.llvm.org/D52840#1265716
if(${LLVM_NATIVE_ARCH} MATCHES "^(AArch64|Hexagon|Sparc|SystemZ)$")
set(RUN_PYTHON_TESTS FALSE)
endif()
if(RUN_PYTHON_TESTS)
set_property(GLOBAL APPEND PROPERTY
LLVM_ADDITIONAL_TEST_TARGETS check-clang-python)
endif()
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