On Thursday, January 14, 2016 at 10:04:52 AM UTC+1, Jean-Pierre Flori wrote:
>
> I see
>
> #if (defined(Win32) || defined(Win64))/* R instance as a global */Rstart 
> Rp;#endif
> in src/rinterface/_rinterface.c.
> That sounds fishy for Cygwin.
>
>
> It looks like: http://trac.sagemath.org/ticket/16089
> And that the cygwin patch was ill porte here: 
> http://trac.sagemath.org/ticket/19638
>
> Note sure why:
> * the linking to readline was removed, maybe R does it properly now 
> without handholding.
> * this change in the patch is either not enough or too much:
> -#if defined(Win32) || defined(Win64)
> +#if defined(Win32) || defined(Win64) || defined(__CYGWIN__)
>    Rp->R_Interactive = rtruefalse;
>  #else
>    R_Interactive = rtruefalse;
>
> Try to remove it first.
> If that's not sufficient the numerous try instead to perform the same 
> change for all #if around R_Interactive stuff.
>
Looking at the code of the previous version we shipped, I'd say the "remove 
the change" solution should be the right one.

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