[R] tcltk support....

[Stefan Grosse]

>
> To my excuse I can say that I would have expected configure to issue
> an error or warning.

I am absolutely certain that there was a remark during configure... you
probably just have overseen that.

> I did run it  configure with --with-tcltk. But there was not a singel
> message which would point me to the fact that some packages on my
> system are missing.
>