cabal directory structure under /libraries/ for a lib that uses Rts.h

[Edward Z. Yang]

Oh, in this case, it's likely because we're not actually exporting
the symbol.  Check Linker.c, esp the calls to SymI_HasProto.

Edward

Excerpts from Ömer Sinan Ağacan's message of 2014-10-02 02:34:35 -0700:
> > Well, which library should it be part of? Add it to the exposed-modules
> > list there and it should get compiled.
> 
> It's not only a "get it compiled" problem, even if I add it to base or
> some other lib and get it compiled, it's failing with a "undefined
> reference" linker error. I'm trying to use a function from
> `rts/RtsFlags.c`. I can define the function elsewhere but I still link
> it with `RtsFlags.c` because I'm using `RtsFlags` from that file.
> 
> Any ideas?
> 
> ---
> Ömer Sinan Ağacan
> http://osa1.net