llvm-project/libcxx/lib/abi/CMakeLists.txt

37 lines
1.4 KiB
CMake

if (DEFINED TARGET_TRIPLE)
# Ignore the minor and patchlevel versions of the darwin
# target.
string(REGEX REPLACE "darwin16\\.[0-9]\\.[0-9]" "darwin16"
GENERIC_TARGET_TRIPLE "${TARGET_TRIPLE}")
endif()
# Detect if we are building in the same configuration used to generate
# the abilist files.
if (DEFINED GENERIC_TARGET_TRIPLE
AND EXISTS "${CMAKE_CURRENT_LIST_DIR}/${GENERIC_TARGET_TRIPLE}.abilist"
AND TARGET cxx_shared
AND ("${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}/${GENERIC_TARGET_TRIPLE}.abilist")
set(SYMDIFF_EXE "${LIBCXX_SOURCE_DIR}/utils/sym_diff.py")
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...")
endif()