[R] Somewhat obscure bug in R 3.4.0 building from source

[Rich Shepard]

On Sun, 21 May 2017, Peter Carbonetto wrote:

> The error occurs only when I do "make clean" followed by "make" again;
> make works the first time.

Peter,

   I suggest you use 'make distclean' rather than 'make clean.' There are
subtle differences between the two, yet the former is more complete. This
might resolve your missing file issue during a second build.

Rich