[LLVMdev] [ exception_ptr ] libcxx doesn't cope well with libcxxabi under linux

Jonathan Roelofs
Thu, 01 May 2014 01:49:16 -0000

+cfe-dev

Emanuele,

On 4/30/14, 6:07 PM, Emanuele Cestari wrote:
> Hi,
> I'm under Ubuntu 13.10 amd64 I just compiled both my libcxx and my
libcxxabi.
>
> I noticed this really weird behaviour, while trying to compile some
> C++11-compliant piece of code I get this error at runtime
>
> exception_ptr not yet implemented
> Aborted (core dumped)
>
Didn't you hit similar warnings when you built libc++abi & libc++? That
would
suggest that libc++ and libc++abi haven't been fully ported to your platform
yet.
>
> What I would like to know is: there is a good reason for this or it's a
bug ?
>
> Aside from that, libcxxabi is able to provide a complete ABI implentation
under
> linux without libsupc++ and libstdc++ ?
I believe you'll still need to link against libgcc_s in order to get EH
support
on linux.
>
> Thanks.
>
>
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--
Jon Roelofs
jonathan at codesourcery.com
CodeSourcery / Mentor Embedded