[Rd] can't build recent checkout of r-devel: tools invalid package

[Jeff Gentry]

> make[5]: Leaving directory `/udd/stvjc/JEDI/R200/src/library/tools/src'
> make[4]: Leaving directory `/udd/stvjc/JEDI/R200/src/library/tools/src'
> Error in loadNamespace(package, lib.loc, keep.source, TRUE, TRUE) :
>         'tools' is not a valid package -- installed < 2.0.0?
> Execution halted

I'm getting the same error.  At first I thought it was that I was picking
up an older version of R in my path, but that's not the case.

-J