Re: [Rd] Detecting development environment

From: Simon Urbanek <simon.urbanek_at_r-project.org>
Date: Mon, 13 Jun 2011 10:36:11 -0400

On Jun 13, 2011, at 10:21 AM, Hadley Wickham wrote:

> Hi all,
>
> Is there a straight-forward, cross-platform way of determining if a

> user has all the tools needed to develop R packages (i.e. gcc etc)?

> It doesn't need to be 100%, but should give a rough idea. One idea I
> had was simply to see if system("R CMD install --help") worked.
>

That's not really checking pretty much anything (even if you used INSTALL ;)) since all it does is to run R.

More reasonable quick check may be R CMD SHLIB, though, since that involves both make and gcc:

echo 'void foo(int *bar) { *bar=1; }' > foo.c && R CMD SHLIB foo.c

And you could even check feasibility with something like

dyn.load(paste("foo",.Platform$dynlib.ext,sep='')) stopifnot(.C("foo",0L)[[1]] == 1L)



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