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# Detect if we are building in the same configuration used to generate
# the abilist files.
if (DEFINED TARGET_TRIPLE
AND EXISTS "${CMAKE_CURRENT_LIST_DIR}/${TARGET_TRIPLE}.abilist"
AND TARGET cxx_shared
AND ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libcxxabi" OR
(APPLE AND "${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "default"))
AND NOT LIBCXX_ABI_UNSTABLE
AND LIBCXX_ABI_VERSION EQUAL "1")
set(LIBCXX_HAS_ABILIST_CONFIGURATION 1 CACHE INTERNAL "")
else()
if (NOT DEFINED LIBCXX_HAS_ABILIST_CONFIGURATION)
message(STATUS "libc++ configuration differs from the abilist configuration. "
"check-cxx-abilist target is not supported")
endif()
set(LIBCXX_HAS_ABILIST_CONFIGURATION 0 CACHE INTERNAL "")
endif()
if (LIBCXX_HAS_ABILIST_CONFIGURATION)
set(ABILIST_FILE "${CMAKE_CURRENT_LIST_DIR}/${TARGET_TRIPLE}.abilist")
set(SYMDIFF_EXE "${LIBCXX_SOURCE_DIR}/utils/sym_check/sym_diff.py")
add_custom_target(check-cxx-abilist
${SYMDIFF_EXE} --only-stdlib-symbols ${ABILIST_FILE} $<TARGET_SONAME_FILE:cxx_shared>
DEPENDS cxx_shared
COMMENT "Testing ABI compatibility...")
endif()
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