build failure, GMP not available

[Andrew Pinski]

> So, now if I tell you that despite all reports that it 'works fine',  
> I'm getting
> 
> > FAIL: gcc.dg/torture/builtin-sin-mpfr-1.c  -O0  (test for excess  
> > errors)
> 
> do you think this is likely to be:
> 1. some problem in gmp or mpfr,
> 2. some problem in my build of gmp and/or mpfr, that wouldn't occur  
> if I'd built it in some other (unspecified) way,
> 3. some problem in my existing system configuration, maybe I already  
> have a gmp installed that is somehow conflicting, or
> 4. a well-known but not serious bug in GCC's Darwin port?
> 
> It turns out the answer is 4, at least I think it is.

Actually it is a bug in mpfr which is fixed in the cumulative patch.

-- Pinski