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[libc++] Fix the no-exceptions build of libc++ on Apple 

We previously tried re-exporting symbols that didn't exist when
exceptions were disabled. Note that building libc++abi without
exceptions still doesn't work when linking against the default-provided
libSystem.dylib, because it transitively depends on libobjc.dylib,
and that requires __gxx_personality_v0. But building libc++abi
with exceptions and libc++ without exceptions does work.
This commit is contained in:
Louis Dionne 2020-04-20 05:22:20 -04:00
parent 865996ddf6
commit ecf313c01d
11 changed files with 51 additions and 519 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
libcxx/lib/abi/CMakeLists.txt
View File

@ -21,7 +21,8 @@ if (EXISTS "${ABILIST_FILE}"
AND TARGET cxx_shared AND TARGET cxx_shared
AND ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libcxxabi" OR AND ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libcxxabi" OR
(APPLE AND "${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "default")) (APPLE AND "${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "default"))
AND NOT LIBCXX_ABI_UNSTABLE) AND NOT LIBCXX_ABI_UNSTABLE
AND LIBCXX_ENABLE_EXCEPTIONS)
add_custom_target(check-cxx-abilist add_custom_target(check-cxx-abilist
${SYMDIFF_EXE} --only-stdlib-symbols --strict ${ABILIST_FILE} ${SYMDIFF_EXE} --only-stdlib-symbols --strict ${ABILIST_FILE}
$<TARGET_SONAME_FILE:cxx_shared> $<TARGET_SONAME_FILE:cxx_shared>

10
libcxx/lib/libc++abi-exceptions.exp Normal file
View File

@ -0,0 +1,10 @@
___cxa_allocate_exception
___cxa_begin_catch
___cxa_call_unexpected
___cxa_current_exception_type
___cxa_end_catch
___cxa_free_exception
___cxa_get_exception_ptr
___cxa_rethrow
___cxa_throw
___gxx_personality_v0

10
libcxx/lib/libc++abi-exceptions.sjlj.exp Normal file
View File

@ -0,0 +1,10 @@
___cxa_allocate_exception
___cxa_begin_catch
___cxa_call_unexpected
___cxa_current_exception_type
___cxa_end_catch
___cxa_free_exception
___cxa_get_exception_ptr
___cxa_rethrow
___cxa_throw
___gxx_personality_sj0

10
libcxx/lib/libc++abi.v1.exp
View File

@ -1,20 +1,11 @@
___cxa_allocate_exception
___cxa_end_catch
___cxa_demangle ___cxa_demangle
___cxa_current_exception_type
___cxa_call_unexpected
___cxa_free_exception
___cxa_get_exception_ptr
___cxa_get_globals ___cxa_get_globals
___cxa_get_globals_fast ___cxa_get_globals_fast
___cxa_guard_abort ___cxa_guard_abort
___cxa_guard_acquire ___cxa_guard_acquire
___cxa_guard_release ___cxa_guard_release
___cxa_rethrow
___cxa_pure_virtual ___cxa_pure_virtual
___cxa_deleted_virtual ___cxa_deleted_virtual
___cxa_begin_catch
___cxa_throw
___cxa_vec_cctor ___cxa_vec_cctor
___cxa_vec_cleanup ___cxa_vec_cleanup
___cxa_vec_ctor ___cxa_vec_ctor
@ -26,7 +17,6 @@ ___cxa_vec_new
___cxa_vec_new2 ___cxa_vec_new2
___cxa_vec_new3 ___cxa_vec_new3
___dynamic_cast ___dynamic_cast
___gxx_personality_v0
__ZTIDi __ZTIDi
__ZTIDn __ZTIDn
__ZTIDs __ZTIDs

10
libcxx/lib/libc++abi.v2.exp
View File

@ -1,20 +1,11 @@
___cxa_allocate_exception
___cxa_end_catch
___cxa_demangle ___cxa_demangle
___cxa_current_exception_type
___cxa_call_unexpected
___cxa_free_exception
___cxa_get_exception_ptr
___cxa_get_globals ___cxa_get_globals
___cxa_get_globals_fast ___cxa_get_globals_fast
___cxa_guard_abort ___cxa_guard_abort
___cxa_guard_acquire ___cxa_guard_acquire
___cxa_guard_release ___cxa_guard_release
___cxa_rethrow
___cxa_pure_virtual ___cxa_pure_virtual
___cxa_deleted_virtual ___cxa_deleted_virtual
___cxa_begin_catch
___cxa_throw
___cxa_throw_bad_array_new_length ___cxa_throw_bad_array_new_length
___cxa_uncaught_exceptions ___cxa_uncaught_exceptions
___cxa_vec_cctor ___cxa_vec_cctor
@ -28,7 +19,6 @@ ___cxa_vec_new
___cxa_vec_new2 ___cxa_vec_new2
___cxa_vec_new3 ___cxa_vec_new3
___dynamic_cast ___dynamic_cast
___gxx_personality_v0
__ZTIDi __ZTIDi
__ZTIDn __ZTIDn
__ZTIDs __ZTIDs

160
libcxx/lib/libc++sjlj-abi.v1.exp
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@ -1,160 +0,0 @@
___cxa_allocate_exception
___cxa_end_catch
___cxa_demangle
___cxa_current_exception_type
___cxa_call_unexpected
___cxa_free_exception
___cxa_get_exception_ptr
___cxa_get_globals
___cxa_get_globals_fast
___cxa_guard_abort
___cxa_guard_acquire
___cxa_guard_release
___cxa_rethrow
___cxa_pure_virtual
___cxa_deleted_virtual
___cxa_begin_catch
___cxa_throw
___cxa_vec_cctor
___cxa_vec_cleanup
___cxa_vec_ctor
___cxa_vec_delete
___cxa_vec_delete2
___cxa_vec_delete3
___cxa_vec_dtor
___cxa_vec_new
___cxa_vec_new2
___cxa_vec_new3
___dynamic_cast
___gxx_personality_sj0
__ZTIDi
__ZTIDn
__ZTIDs
__ZTIPDi
__ZTIPDn
__ZTIPDs
__ZTIPKDi
__ZTIPKDn
__ZTIPKDs
__ZTSPm
__ZTSPl
__ZTSPj
__ZTSPi
__ZTSPh
__ZTSPf
__ZTSPe
__ZTSPd
__ZTSPc
__ZTSPb
__ZTSPa
__ZTSPKc
__ZTSPKy
__ZTSPKx
__ZTSPKw
__ZTSPKv
__ZTSPKt
__ZTSPKs
__ZTSPKm
__ZTSPKl
__ZTSPKi
__ZTSPKh
__ZTSPs
__ZTSPt
__ZTSPv
__ZTSPw
__ZTSPKa
__ZTSPx
__ZTSPy
__ZTSPKd
__ZTSPKe
__ZTSPKj
__ZTSPKb
__ZTSPKf
__ZTSv
__ZTSt
__ZTSs
__ZTSm
__ZTSl
__ZTSj
__ZTSi
__ZTSh
__ZTSf
__ZTSe
__ZTSd
__ZTSc
__ZTSw
__ZTSx
__ZTSy
__ZTSb
__ZTSa
__ZTIPKh
__ZTIPKf
__ZTIPKe
__ZTIPKd
__ZTIPKc
__ZTIPKb
__ZTIPKa
__ZTIPy
__ZTIPx
__ZTIPw
__ZTIPv
__ZTIPt
__ZTIPs
__ZTIPm
__ZTIPl
__ZTIPj
__ZTIPi
__ZTIPKi
__ZTIPKj
__ZTIPKl
__ZTIPKm
__ZTIPKs
__ZTIPKt
__ZTIPKv
__ZTIPKw
__ZTIPKx
__ZTIPKy
__ZTIPa
__ZTIPb
__ZTIPc
__ZTIPd
__ZTIPe
__ZTIPf
__ZTIPh
__ZTVN10__cxxabiv129__pointer_to_member_type_infoE
__ZTVN10__cxxabiv116__enum_type_infoE
__ZTVN10__cxxabiv117__array_type_infoE
__ZTVN10__cxxabiv117__class_type_infoE
__ZTVN10__cxxabiv117__pbase_type_infoE
__ZTVN10__cxxabiv119__pointer_type_infoE
__ZTVN10__cxxabiv120__function_type_infoE
__ZTVN10__cxxabiv120__si_class_type_infoE
__ZTVN10__cxxabiv121__vmi_class_type_infoE
__ZTVN10__cxxabiv123__fundamental_type_infoE
__ZTIa
__ZTIb
__ZTIc
__ZTId
__ZTIe
__ZTIf
__ZTIh
__ZTIi
__ZTIj
__ZTIl
__ZTIm
__ZTIs
__ZTIt
__ZTSN10__cxxabiv129__pointer_to_member_type_infoE
__ZTSN10__cxxabiv123__fundamental_type_infoE
__ZTSN10__cxxabiv121__vmi_class_type_infoE
__ZTSN10__cxxabiv120__si_class_type_infoE
__ZTSN10__cxxabiv120__function_type_infoE
__ZTSN10__cxxabiv119__pointer_type_infoE
__ZTSN10__cxxabiv117__pbase_type_infoE
__ZTSN10__cxxabiv117__class_type_infoE
__ZTSN10__cxxabiv117__array_type_infoE
__ZTSN10__cxxabiv116__enum_type_infoE
__ZTIy
__ZTIx
__ZTIw
__ZTIv

310
libcxx/lib/libc++sjlj-abi.v2.exp
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@ -1,310 +0,0 @@
___cxa_allocate_exception
___cxa_end_catch
___cxa_demangle
___cxa_current_exception_type
___cxa_call_unexpected
___cxa_free_exception
___cxa_get_exception_ptr
___cxa_get_globals
___cxa_get_globals_fast
___cxa_guard_abort
___cxa_guard_acquire
___cxa_guard_release
___cxa_rethrow
___cxa_pure_virtual
___cxa_begin_catch
___cxa_throw
___cxa_vec_cctor
___cxa_vec_cleanup
___cxa_vec_ctor
___cxa_vec_delete
___cxa_vec_delete2
___cxa_vec_delete3
___cxa_vec_dtor
___cxa_vec_new
___cxa_vec_new2
___cxa_vec_new3
___dynamic_cast
___gxx_personality_sj0
__ZTIDi
__ZTIDn
__ZTIDs
__ZTIPDi
__ZTIPDn
__ZTIPDs
__ZTIPKDi
__ZTIPKDn
__ZTIPKDs
__ZTSPm
__ZTSPl
__ZTSPj
__ZTSPi
__ZTSPh
__ZTSPf
__ZTSPe
__ZTSPd
__ZTSPc
__ZTSPb
__ZTSPa
__ZTSPKc
__ZTSPKy
__ZTSPKx
__ZTSPKw
__ZTSPKv
__ZTSPKt
__ZTSPKs
__ZTSPKm
__ZTSPKl
__ZTSPKi
__ZTSPKh
__ZTSPs
__ZTSPt
__ZTSPv
__ZTSPw
__ZTSPKa
__ZTSPx
__ZTSPy
__ZTSPKd
__ZTSPKe
__ZTSPKj
__ZTSPKb
__ZTSPKf
__ZTSv
__ZTSt
__ZTSs
__ZTSm
__ZTSl
__ZTSj
__ZTSi
__ZTSh
__ZTSf
__ZTSe
__ZTSd
__ZTSc
__ZTSw
__ZTSx
__ZTSy
__ZTSb
__ZTSa
__ZTIPKh
__ZTIPKf
__ZTIPKe
__ZTIPKd
__ZTIPKc
__ZTIPKb
__ZTIPKa
__ZTIPy
__ZTIPx
__ZTIPw
__ZTIPv
__ZTIPt
__ZTIPs
__ZTIPm
__ZTIPl
__ZTIPj
__ZTIPi
__ZTIPKi
__ZTIPKj
__ZTIPKl
__ZTIPKm
__ZTIPKs
__ZTIPKt
__ZTIPKv
__ZTIPKw
__ZTIPKx
__ZTIPKy
__ZTIPa
__ZTIPb
__ZTIPc
__ZTIPd
__ZTIPe
__ZTIPf
__ZTIPh
__ZTVN10__cxxabiv129__pointer_to_member_type_infoE
__ZTVN10__cxxabiv116__enum_type_infoE
__ZTVN10__cxxabiv117__array_type_infoE
__ZTVN10__cxxabiv117__class_type_infoE
__ZTVN10__cxxabiv117__pbase_type_infoE
__ZTVN10__cxxabiv119__pointer_type_infoE
__ZTVN10__cxxabiv120__function_type_infoE
__ZTVN10__cxxabiv120__si_class_type_infoE
__ZTVN10__cxxabiv121__vmi_class_type_infoE
__ZTVN10__cxxabiv123__fundamental_type_infoE
__ZTIa
__ZTIb
__ZTIc
__ZTId
__ZTIe
__ZTIf
__ZTIh
__ZTIi
__ZTIj
__ZTIl
__ZTIm
__ZTIs
__ZTIt
__ZTSN10__cxxabiv129__pointer_to_member_type_infoE
__ZTSN10__cxxabiv123__fundamental_type_infoE
__ZTSN10__cxxabiv121__vmi_class_type_infoE
__ZTSN10__cxxabiv120__si_class_type_infoE
__ZTSN10__cxxabiv120__function_type_infoE
__ZTSN10__cxxabiv119__pointer_type_infoE
__ZTSN10__cxxabiv117__pbase_type_infoE
__ZTSN10__cxxabiv117__class_type_infoE
__ZTSN10__cxxabiv117__array_type_infoE
__ZTSN10__cxxabiv116__enum_type_infoE
__ZTIy
__ZTIx
__ZTIw
__ZTIv
__ZSt13get_terminatev
__ZSt13set_terminatePFvvE
__ZSt14get_unexpectedv
__ZSt14set_unexpectedPFvvE
__ZSt15get_new_handlerv
__ZSt15set_new_handlerPFvvE
__ZSt9terminatev
__ZNSt9bad_allocD1Ev
__ZTISt9bad_alloc
__ZNSt9bad_allocC1Ev
__ZTISt13bad_exception
__ZTVSt10bad_typeid
__ZTVSt9exception
__ZNSt10bad_typeidC1Ev
__ZNSt10bad_typeidC1Ev
__ZNKSt10bad_typeid4whatEv
__ZNSt10bad_typeidD1Ev
__ZTVSt8bad_cast
__ZNSt8bad_castC1Ev
__ZNSt8bad_castC2Ev
__ZNSt8bad_castD0Ev
__ZNKSt8bad_cast4whatEv
__ZNSt8bad_castD1Ev
__ZNSt8bad_castD2Ev
__ZTVSt9bad_alloc
__ZTVSt20bad_array_new_length
__ZTVSt13bad_exception
__ZNKSt9exception4whatEv
__ZNKSt9bad_alloc4whatEv
__ZNSt9bad_allocC2Ev
__ZNSt9bad_allocD0Ev
__ZNSt9bad_allocD2Ev
__ZNSt9exceptionD0Ev
__ZNSt20bad_array_new_lengthC1Ev
__ZNKSt13bad_exception4whatEv
__ZNSt9exceptionD1Ev
__ZNKSt20bad_array_new_length4whatEv
__ZNSt13bad_exceptionD1Ev
__ZNSt20bad_array_new_lengthD1Ev
__ZNSt9exceptionD2Ev
__ZNSt9type_infoD0Ev
__ZNSt9type_infoD1Ev
__ZNSt9type_infoD2Ev
__ZNSt10bad_typeidC2Ev
__ZNSt10bad_typeidD0Ev
__ZNSt10bad_typeidD2Ev
__ZNSt13bad_exceptionD0Ev
__ZNSt13bad_exceptionD2Ev
__ZNSt20bad_array_new_lengthC2Ev
__ZNSt20bad_array_new_lengthD0Ev
__ZNSt20bad_array_new_lengthD2Ev
__ZSt10unexpectedv
__ZdaPv
__ZdlPv
__ZdlPvRKSt9nothrow_t
__Znam
__ZdaPvRKSt9nothrow_t
__Znwm
__ZnwmRKSt9nothrow_t
__ZnamRKSt9nothrow_t
__ZTISt10bad_typeid
__ZTISt8bad_cast
___cxa_bad_typeid
___cxa_bad_cast
__ZTISt9exception
__ZTISt9type_info
__ZTISt20bad_array_new_length
__ZNKSt11logic_error4whatEv
__ZNSt11logic_errorD0Ev
__ZNSt11logic_errorD1Ev
__ZNSt11logic_errorD2Ev
__ZTISt11logic_error
__ZTSSt11logic_error
__ZTVSt11logic_error
__ZNKSt13runtime_error4whatEv
__ZNSt13runtime_errorD0Ev
__ZNSt13runtime_errorD1Ev
__ZNSt13runtime_errorD2Ev
__ZTISt13runtime_error
__ZTSSt13runtime_error
__ZTVSt13runtime_error
__ZNSt11range_errorD0Ev
__ZNSt11range_errorD1Ev
__ZNSt11range_errorD2Ev
__ZTISt11range_error
__ZTSSt11range_error
__ZTVSt11range_error
__ZNSt12domain_errorD0Ev
__ZNSt12domain_errorD1Ev
__ZNSt12domain_errorD2Ev
__ZTISt12domain_error
__ZTSSt12domain_error
__ZTVSt12domain_error
__ZNSt12length_errorD0Ev
__ZNSt12length_errorD1Ev
__ZNSt12length_errorD2Ev
__ZTISt12length_error
__ZTSSt12length_error
__ZTVSt12length_error
__ZNSt12out_of_rangeD0Ev
__ZNSt12out_of_rangeD1Ev
__ZNSt12out_of_rangeD2Ev
__ZTISt12out_of_range
__ZTSSt12out_of_range
__ZTVSt12out_of_range
__ZNSt14overflow_errorD0Ev
__ZNSt14overflow_errorD1Ev
__ZNSt14overflow_errorD2Ev
__ZTISt14overflow_error
__ZTSSt14overflow_error
__ZTVSt14overflow_error
__ZNSt15underflow_errorD0Ev
__ZNSt15underflow_errorD1Ev
__ZNSt15underflow_errorD2Ev
__ZTISt15underflow_error
__ZTSSt15underflow_error
__ZTVSt15underflow_error
__ZNSt16invalid_argumentD0Ev
__ZNSt16invalid_argumentD1Ev
__ZNSt16invalid_argumentD2Ev
__ZTISt16invalid_argument
__ZTSSt16invalid_argument
__ZTVSt16invalid_argument
__ZTSDi
__ZTSDn
__ZTSDs
__ZTSPDi
__ZTSPDn
__ZTSPDs
__ZTSPKDi
__ZTSPKDn
__ZTSPKDs
__ZTSSt8bad_cast
__ZTSSt9bad_alloc
__ZTSSt9exception
__ZTSSt9type_info
__ZTSSt10bad_typeid
__ZTSSt13bad_exception
__ZTSSt20bad_array_new_length
__ZTVSt9type_info

15
libcxx/src/CMakeLists.txt
View File

@ -205,17 +205,20 @@ if (LIBCXX_ENABLE_SHARED)
endif() endif()
if (LIBCXX_OSX_REEXPORT_LIBCXXABI_SYMBOLS) if (LIBCXX_OSX_REEXPORT_LIBCXXABI_SYMBOLS)
if ("${CMAKE_OSX_ARCHITECTURES}" MATCHES "^(armv6|armv7|armv7s)$")
set(RE_EXPORT_LIST "${CMAKE_CURRENT_SOURCE_DIR}/../lib/libc++sjlj-abi.v${LIBCXX_LIBCPPABI_VERSION}.exp")
else()
set(RE_EXPORT_LIST "${CMAKE_CURRENT_SOURCE_DIR}/../lib/libc++abi.v${LIBCXX_LIBCPPABI_VERSION}.exp")
endif()
target_link_libraries(cxx_shared PRIVATE target_link_libraries(cxx_shared PRIVATE
"-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/libc++unexp.exp" "-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/libc++unexp.exp"
"-Wl,-reexported_symbols_list,${RE_EXPORT_LIST}" "-Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/libc++abi.v${LIBCXX_LIBCPPABI_VERSION}.exp"
"-Wl,-force_symbols_not_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/notweak.exp" "-Wl,-force_symbols_not_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/notweak.exp"
"-Wl,-force_symbols_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/weak.exp") "-Wl,-force_symbols_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/weak.exp")
if (LIBCXX_ENABLE_EXCEPTIONS)
if ("${CMAKE_OSX_ARCHITECTURES}" MATCHES "^(armv6|armv7|armv7s)$")
target_link_libraries(cxx_shared PRIVATE "-Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/libc++abi-exceptions.sjlj.exp")
else()
target_link_libraries(cxx_shared PRIVATE "-Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/libc++abi-exceptions.exp")
endif()
endif()
if (NOT LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS) if (NOT LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS)
target_link_libraries(cxx_shared PRIVATE "-Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/libc++abi-new-delete.exp") target_link_libraries(cxx_shared PRIVATE "-Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/libc++abi-new-delete.exp")
endif() endif()

11
libcxxabi/lib/exceptions.exp Normal file
View File

@ -0,0 +1,11 @@
___cxa_allocate_dependent_exception
___cxa_allocate_exception
___cxa_begin_catch
___cxa_call_unexpected
___cxa_current_exception_type
___cxa_end_catch
___cxa_free_dependent_exception
___cxa_free_exception
___cxa_get_exception_ptr
___cxa_rethrow
___cxa_throw

13
libcxxabi/lib/itanium-base.exp
View File

@ -245,22 +245,13 @@ __ZTVSt9bad_alloc
__ZTVSt9exception __ZTVSt9exception
__ZTVSt9type_info __ZTVSt9type_info
# Itanium C++ ABI requirements # Itanium C++ ABI requirements (minus most exception support)
___cxa_allocate_dependent_exception
___cxa_allocate_exception
___cxa_bad_cast ___cxa_bad_cast
___cxa_bad_typeid ___cxa_bad_typeid
___cxa_begin_catch
___cxa_call_unexpected
___cxa_current_exception_type
___cxa_current_primary_exception ___cxa_current_primary_exception
___cxa_decrement_exception_refcount ___cxa_decrement_exception_refcount
___cxa_deleted_virtual ___cxa_deleted_virtual
___cxa_demangle ___cxa_demangle
___cxa_end_catch
___cxa_free_dependent_exception
___cxa_free_exception
___cxa_get_exception_ptr
___cxa_get_globals ___cxa_get_globals
___cxa_get_globals_fast ___cxa_get_globals_fast
___cxa_guard_abort ___cxa_guard_abort
@ -268,9 +259,7 @@ ___cxa_guard_acquire
___cxa_guard_release ___cxa_guard_release
___cxa_increment_exception_refcount ___cxa_increment_exception_refcount
___cxa_pure_virtual ___cxa_pure_virtual
___cxa_rethrow
___cxa_rethrow_primary_exception ___cxa_rethrow_primary_exception
___cxa_throw
___cxa_throw_bad_array_new_length ___cxa_throw_bad_array_new_length
___cxa_uncaught_exception ___cxa_uncaught_exception
___cxa_uncaught_exceptions ___cxa_uncaught_exceptions

18
libcxxabi/src/CMakeLists.txt
View File

@ -146,12 +146,6 @@ if (NOT TARGET pstl::ParallelSTL)
message(STATUS "Could not find ParallelSTL, libc++abi will not attempt to use it but the build may fail if the libc++ in use needs it to be available.") message(STATUS "Could not find ParallelSTL, libc++abi will not attempt to use it but the build may fail if the libc++ in use needs it to be available.")
endif() endif()
if ("${CMAKE_OSX_ARCHITECTURES}" MATCHES "^(armv6|armv7|armv7s)$")
set(LIBCXXABI_USE_SJLJ_EXCEPTIONS ON)
else()
set(LIBCXXABI_USE_SJLJ_EXCEPTIONS OFF)
endif()
# Build the shared library. # Build the shared library.
if (LIBCXXABI_ENABLE_SHARED) if (LIBCXXABI_ENABLE_SHARED)
add_library(cxxabi_shared SHARED ${LIBCXXABI_SOURCES} ${LIBCXXABI_HEADERS}) add_library(cxxabi_shared SHARED ${LIBCXXABI_SOURCES} ${LIBCXXABI_HEADERS})
@ -200,10 +194,14 @@ if (LIBCXXABI_ENABLE_SHARED)
target_link_libraries(cxxabi_shared PRIVATE "-Wl,-exported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/new-delete.exp") target_link_libraries(cxxabi_shared PRIVATE "-Wl,-exported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/new-delete.exp")
endif() endif()
if (LIBCXXABI_USE_SJLJ_EXCEPTIONS) if (LIBCXXABI_ENABLE_EXCEPTIONS)
target_link_libraries(cxxabi_shared PRIVATE "-Wl,-exported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/personality-sjlj.exp") target_link_libraries(cxxabi_shared PRIVATE "-Wl,-exported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/exceptions.exp")
else()
target_link_libraries(cxxabi_shared PRIVATE "-Wl,-exported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/personality-v0.exp") if ("${CMAKE_OSX_ARCHITECTURES}" MATCHES "^(armv6|armv7|armv7s)$")
target_link_libraries(cxxabi_shared PRIVATE "-Wl,-exported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/personality-sjlj.exp")
else()
target_link_libraries(cxxabi_shared PRIVATE "-Wl,-exported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/../lib/personality-v0.exp")
endif()
endif() endif()
endif() endif()
endif() endif()