Re: [Rd] In creating a Windows binary package (zip), how do I make the installation configurable

From: Prof Brian Ripley <>
Date: Thu, 12 Jul 2007 18:26:11 +0100 (BST)

On Thu, 12 Jul 2007, wrote:

> I would like to create a binary package for Windows which when
> installed will give the user an option of whether to install
> one version or another.
> Here is the problem, I have a package 'FAME' that can run
> in two different modes on Windows. An old mode that uses
> R to connect to a remote linux machine and a new way that
> uses a locally installed database.
> I would allow this decision to be made at run time, but
> the DLL in the later case depends upon the database's DLL
> being on the Windows machine. A runtime solution would
> require at least one extra level of dynamic loading.
> So I would like something like this to happen:
> the zip file contains fame-local.dll and fame-remote.dll
> when the user selects 'install packages from a zip file'
> the user should be given the option of which DLL
> should be renamed to 'fame.dll'.
> Is this possible??

No. You can use your own installer, though, just as we do for R itself.

> If not, then are there an recommendations for a solution?

Why not look for the in-FAME DLL in your .onLoad function, and load the appropriate DLL at that time? Or even put up a dialog box to ask the user (if there is: think about non-interactive use) at that point.

Brian D. Ripley,        
Professor of Applied Statistics,
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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