[R-SIG-Mac] Installing multiple architectures for a package

[Simon Urbanek]

On Nov 26, 2008, at 11:06 PM, Steven McKinney wrote:

> Hi all,
>
> I have set up both 32-bit and 64-bit versions of
> R.app and can run them happily at the same time.
> (I'll refer to them as R32.app and R64.app)
>
> However, if I install a package using the R32.app
> package installer, then install the same package
> from R64.app, the 32 bit version is removed.
>

This is not about 32-bit vs. 64-bit --- this is about which build of R  
you use. The Tiger build supports only 32-bit, the Leopard build  
supports both 32 and 64-bit. It is irrelevant which architecture you  
use (32 ot 64-bit). You have to use the packages binaries for the  
correct build, but that should happen automatically.


> Is there a way to install from R64.app so that the *package*/libs/ 
> ppc64 directory is added to the already existing *package*/libs/ and  
> the appropriate 64 bit file versions are installed into *package*/ 
> libs/ppc64 without deleting the whole library directory?  (At  
> present each R32.app or R64.app install deletes the whole package's  
> library directory so I only end up with one architecture installed.)
>

Yes, if you install from sources use
R CMD INSTALL --libs-only

See R for Mac FAQ "5.4 Building universal packages"

However, you should only need that in rare cases (for packages with  
Makefile or configure script). Make sure you know what you're doing  
(please read the whole package installation FAQ section).

Cheers,
Simon


> I've reviewed the install.packages() help and
> am not seeing a way to accomplish this via
> the command line.  Did I miss something?
> Is there a way to add an architecture to a
> package's already existing libs/ directory?
>
>
> Steven McKinney
>
> Statistician
> Molecular Oncology and Breast Cancer Program
> British Columbia Cancer Research Centre
>
> email: smckinney +at+ bccrc +dot+ ca
>
> tel: 604-675-8000 x7561
>
> BCCRC
> Molecular Oncology
> 675 West 10th Ave, Floor 4
> Vancouver B.C.
> V5Z 1L3
> Canada
>
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