[Rd] Trouble building package using R in development

[Gavin Simpson]

On Wed, 2013-01-16 at 14:39 -0600, Hadley Wickham wrote:
> > To circumvent this, I check using:
> >
> > R --no-init-file CMD check foo_1.0.tar.gz
> 
> In devtools, we take considerable care to match the R you're running
> with the R you're checking in, so we also set the following
> environmental variables:
<snip />

Thanks Henrik & Hadley,

> and always run /path/to/current/R --vanilla CMD check ...

To what end is the --vanilla here? Writing R Extensions says that R CMD
check (and R CMD build) are invoked via R --vanilla so that would seem
redundant, although my experience from several hours working this
through today suggests there is a difference between R --vanilla CMD
check and R CMD check.

G

> Hadley
> 

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