# 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
AND LIBCXX_ENABLE_EXCEPTIONS
AND NOT LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS)
add_custom_target(check-cxx-abilist
- ${SYMDIFF_EXE} --only-stdlib-symbols --strict ${ABILIST_FILE}
- $<TARGET_SONAME_FILE:cxx_shared>
+ ${Python3_EXECUTABLE} "${LIBCXX_SOURCE_DIR}/utils/sym_diff.py"
+ --only-stdlib-symbols
+ --strict ${ABILIST_FILE}
+ $<TARGET_SONAME_FILE:cxx_shared>
DEPENDS cxx_shared
COMMENT "Testing ABI compatibility...")
else()
with open(filename, 'rb') as f:
magic_bytes = f.read(4)
return magic_bytes in [
- '\xfe\xed\xfa\xce', # MH_MAGIC
- '\xce\xfa\xed\xfe', # MH_CIGAM
- '\xfe\xed\xfa\xcf', # MH_MAGIC_64
- '\xcf\xfa\xed\xfe', # MH_CIGAM_64
- '\xca\xfe\xba\xbe', # FAT_MAGIC
- '\xbe\xba\xfe\xca' # FAT_CIGAM
+ b'\xfe\xed\xfa\xce', # MH_MAGIC
+ b'\xce\xfa\xed\xfe', # MH_CIGAM
+ b'\xfe\xed\xfa\xcf', # MH_MAGIC_64
+ b'\xcf\xfa\xed\xfe', # MH_CIGAM_64
+ b'\xca\xfe\xba\xbe', # FAT_MAGIC
+ b'\xbe\xba\xfe\xca' # FAT_CIGAM
]
# Merge the libc++abi.a and libunwind.a into one.
if(LIBCXXABI_USE_LLVM_UNWINDER AND LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_STATIC_LIBRARY)
add_custom_command(TARGET cxxabi_static POST_BUILD
- COMMAND ${PYTHON_EXECUTABLE} ${LIBCXXABI_LIBCXX_PATH}/utils/merge_archives.py
+ COMMAND ${Python3_EXECUTABLE} ${LIBCXXABI_LIBCXX_PATH}/utils/merge_archives.py
ARGS
-o "$<TARGET_LINKER_FILE:cxxabi_static>"
--ar "${CMAKE_AR}"