[LLVMdev] [libcxx] Linking against just-built libcxxabi

Dan Albert
2015-02-04T00:01:31Z

-llvmdev, +cfe-dev

On Tue, Feb 3, 2015 at 2:55 PM, Greg Fitzgerald <garious at gmail.com>
wrote:

> On OS X 10.9.5, I can only get all libcxx tests to pass if I link
> against the system libcxxabi.  If instead, I link against the
> just-built libcxxabi (using Apple LLVM version 6.0 based on LLVM 3.5),
> I see the following test failures:
>
> Failing Tests (9):
>     libc++ ::
>
std/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp
>     libc++ ::
>
std/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp
>     libc++ ::
>
std/language.support/support.dynamic/new.delete/new.delete.single/new.pass.cpp
>     libc++ ::
>
std/language.support/support.dynamic/new.delete/new.delete.single/new_nothrow.pass.cpp
>     libc++ ::
>
std/language.support/support.exception/except.nested/rethrow_nested.pass.cpp
>     libc++ ::
> std/localization/locales/locale.global.templates/use_facet.pass.cpp
>     libc++ ::
> std/localization/locales/locale/locale.cons/char_pointer.pass.cpp
>     libc++ :: std/strings/basic.string/string.capacity/max_size.pass.cpp
>     libc++ ::
>
std/thread/thread.threads/thread.thread.class/thread.thread.destr/dtor.pass.cpp
>
> Error messages include:
>
> libc++abi.dylib: terminating
> libc++abi.dylib: terminating with uncaught exception of type
> std::bad_cast: std::bad_cast
> libc++abi.dylib: terminating with uncaught exception of type
> std::runtime_error: locale constructed with null
> libc++abi.dylib: terminating with uncaught exception of type std::bad_alloc
> Assertion failed: (false), function main, file
>
>
std/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp,
> line 50.
> Assertion failed: (new_handler_called == 1), function main, file
>
>
std/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp,
> line 42.
>
>
>
> To link against the just-built library, I'm adding the following CMake
> define:
>
>     -DLIBCXX_CXX_ABI_LIBRARY_PATH=../libcxxabi_install/lib
>
> Am I building libcxxabi correctly?  All tests in its own test suite
> pass.  Or perhaps is libcxxabi only supported for certain OS X
> versions?
>
> Thanks,
> Greg
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