1 2 if (DEFINED TARGET_TRIPLE) 3 # Ignore the minor and patchlevel versions of the darwin 4 # target. 5 string(REGEX REPLACE "darwin16\\.[0-9]\\.[0-9]" "darwin16" 6 GENERIC_TARGET_TRIPLE "${TARGET_TRIPLE}") 7 endif() 8 9 # Detect if we are building in the same configuration used to generate 10 # the abilist files. 11 if (DEFINED GENERIC_TARGET_TRIPLE 12 AND EXISTS "${CMAKE_CURRENT_LIST_DIR}/${GENERIC_TARGET_TRIPLE}.abilist" 13 AND TARGET cxx_shared 14 AND ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libcxxabi" OR 15 (APPLE AND "${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "default")) 16 AND NOT LIBCXX_ABI_UNSTABLE 17 AND LIBCXX_ABI_VERSION EQUAL "1") 18 set(LIBCXX_HAS_ABILIST_CONFIGURATION 1 CACHE INTERNAL "") 19 else() 20 if (NOT DEFINED LIBCXX_HAS_ABILIST_CONFIGURATION) 21 message(STATUS "libc++ configuration differs from the abilist configuration. " 22 "check-cxx-abilist target is not supported") 23 endif() 24 set(LIBCXX_HAS_ABILIST_CONFIGURATION 0 CACHE INTERNAL "") 25 endif() 26 27 28 if (LIBCXX_HAS_ABILIST_CONFIGURATION) 29 set(ABILIST_FILE "${CMAKE_CURRENT_LIST_DIR}/${GENERIC_TARGET_TRIPLE}.abilist") 30 set(SYMDIFF_EXE "${LIBCXX_SOURCE_DIR}/utils/sym_diff.py") 31 add_custom_target(check-cxx-abilist 32 ${SYMDIFF_EXE} --only-stdlib-symbols --strict ${ABILIST_FILE} 33 $<TARGET_SONAME_FILE:cxx_shared> 34 DEPENDS cxx_shared 35 COMMENT "Testing ABI compatibility...") 36 endif() 37
