>> - gcc + OpenMP on linux still breaks multiprocessing. There's a patch to
>> fix this but they still haven't applied it; alternatively there's a
>> workaround you can use in multiprocessing (not using fork mode), but this
>> requires every user update their code and the workaround has other
>> limitations. We're unlikely to use OpenMP while this is the case.
>
> Any idea when is this going to be released?

Which? The gcc patch? I spent 2 full release cycles nagging them and
they still can't be bothered to make a decision either way, so :-(. If
anyone has some ideas for how to get traction in gcc-land then I'm
happy to pass on details...