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if (DEFINED TARGET_TRIPLE)
if (TARGET_TRIPLE MATCHES "darwin")
# Ignore the major, minor, and patchlevel versions of darwin targets.
string(REGEX REPLACE "darwin[0-9]+\\.[0-9]+\\.[0-9]+" "darwin"
GENERIC_TARGET_TRIPLE "${TARGET_TRIPLE}")
elseif(TARGET_TRIPLE MATCHES "freebsd")
# Ignore the major and minor versions of freebsd targets.
string(REGEX REPLACE "freebsd[0-9]+\\.[0-9]+" "freebsd"
GENERIC_TARGET_TRIPLE "${TARGET_TRIPLE}")
else()
set(GENERIC_TARGET_TRIPLE "${TARGET_TRIPLE}")
endif()
endif()
# Detect if we are building in the same configuration used to generate
# the abilist files.
set(ABILIST_FILE "${CMAKE_CURRENT_LIST_DIR}/${GENERIC_TARGET_TRIPLE}.v${LIBCXX_ABI_VERSION}.abilist")
set(SYMDIFF_EXE "${LIBCXX_SOURCE_DIR}/utils/sym_diff.py")
if (EXISTS "${ABILIST_FILE}"
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)
add_custom_target(check-cxx-abilist
${SYMDIFF_EXE} --only-stdlib-symbols --strict ${ABILIST_FILE}
$<TARGET_SONAME_FILE:cxx_shared>
DEPENDS cxx_shared
COMMENT "Testing ABI compatibility...")
else()
message(STATUS "there is no pre-generated ABI list for the requested libc++ configuration. "
"check-cxx-abilist target is not supported")
endif()
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