Failure to catch C++ exception in Haskell on OS X

[Gabor Greif]

Hi Bas,

maybe some DWARF unwind tables are not correctly installed in OS X?

Do intra-C++ exception catching work in your example?

Cheers,

    Gabor

On 1/4/19, Bas van Dijk <v.dijk.bas at gmail.com> wrote:
> Dear GHC Devs,
>
> I'm debugging an issue in our haskell-opencv library where a C++ exception
> that is thrown by the OpenCV C++ library isn't caught by the C++
> try...catch block we have inlined in our Haskell code using inline-c-cpp.
> This results in the process terminating by SIGABRT.
>
> Note that this only happens on OS X. In Linux the exception is caught
> correctly.
>
> I wrote a minimal isolated test case (which doesn't use OpenCV) at:
>
>   https://github.com/basvandijk/darwin-cxx-exception-bug
>
> I wrote some instructions in the README on how to reproduce this and
> included some debugging notes.
>
> I'm not sure the bug is caused by a mis-configuration in my code or if it's
> a bug in nixpkgs, Cabal or GHC. Any idea what could be causing this?
>
> Bas
>