[R-SIG-Mac] Problem with libR.dylib in 2.8.0

[Simon Urbanek]

On Oct 28, 2008, at 18:11 , Chris Lokan wrote:

> After installing 2.8.0, I am unable to load some packages. I have  
> installed
> them successfully with R CMD INSTALL, but can't load them into R.
>
> For example:
>
>> library("Cairo")
> Error in dyn.load(file, DLLpath = DLLpath, ...) :
>  unable to load shared library
> '/Library/Frameworks/R.framework/Versions/2.8/Resources/library/ 
> Cairo/libs/i
> 386/Cairo.so':
>
> dlopen(/Library/Frameworks/R.framework/Versions/2.8/Resources/ 
> library/Cairo/
> libs/i386/Cairo.so, 6): Library not loaded:
> /Library/Frameworks/R.framework/Versions/2.7/Resources/lib/libR.dylib
>  Referenced from:
> /Library/Frameworks/R.framework/Versions/2.8/Resources/library/Cairo/ 
> libs/i3
> 86/Cairo.so
>  Reason: image not found
> Error : .onLoad failed in 'loadNamespace' for 'Cairo'
> Error: package/namespace load failed for 'Cairo'
>
> Where can I find libR.dylib? Or is there another way around this?
>

You are likely trying to load a R 2.7.x package in R 2.8.0. Look at  
the paths above. Make sure you have removed packages from previous R  
versions and/or you are not using hard-coded paths to user libraries.  
Also I would strongly recommend using CRAN builds of packages  
especially with packages with library dependencies like Cairo.

Cheers,
Simon


> I am running MacOS X 10.4.11. I checked the md5 hash for R-2.8.0.dmg  
> after
> downloading it, and the value was correct.
>
> Chris
>
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