Open MPI with D

[Max Samukha]

On 11/25/2011 02:27 PM, Andrei Alexandrescu wrote:
> On 11/25/11 2:13 AM, Jude Young wrote:
>> Is there an easy way to turn D style (string[] args) into C style?
>
> Hm, I expected this would work:
>
> extern(C) int __argc;
> extern(C) char** __argv;
>
> The symbols do exist at least on OSX (no linker error) but they are both
> zero, so apparently druntime doesn't initialize them.
>
>
> Andrei
>

If you want a reference to an externally defined variable, you need 
another "extern" and (if the variable is non-TLS) - __gshared:

__gshared extern extern(C) int __argc;