[R-SIG-Mac] installing Rgraphviz

Patrick Aboyoun paboyoun at fhcrc.org
Mon May 4 22:48:02 CEST 2009

This is a Bioconductor related question and really should be addressed 
on the Bioconductor mailing list. The sort answer is if you are running 
on a Mac OS X 10.4 (Tiger) box, you will need to build both graphviz and 
Rgraphviz from source in order to use the package. If you are running on a
Mac OS X 10.5 (Tiger) box, continue reading.

The issue is that graphviz.org distributes their latest version of 
Graphviz for Mac OS X 10.5 (Leopard) only and we use that when we build 
our mac.binary.leopard version of Rgraphviz. I am guessing that you are 
using the cross Mac OS X pre-compiled version of R, which uses the 
mac.binary build of the package from our Mac OS X 10.4 (Tiger) build 
machine that has an old (unmaintained) version of graphviz on it. I 
recommend that all Bioconductor users running on leopard to use a 
leopard-only build of R available at http://r.research.att.com/, since 
that is what we use on our build machine. These leopard only R binaries 
download, via biocLite, mac.binary.leopard versions of the packages that 
are produced by our Leopard machine. These leopard only binaries have 
the added benefit of 64-bit Intel support so end-users don't have to 
build their own packages once they leave the 32-bit world.


Jarrett Byrnes wrote:
> I know variants of this have been answered a few times, but thus far 
> I've had no luck:
> I'm attempting to install Rgraphviz from bioconductor.  I downloaded 
> the stablemac version from http://www.graphviz.org/Download_macos.php 
> and used biocite to install Rgraphviz after installing bioconductor.  
> However, when I attempt to load Rgraphviz, I get the following error.
> Error in dyn.load(file, DLLpath = DLLpath, ...) :
>   unable to load shared library 
> '/Users/jbyr/Library/R/2.9/library/Rgraphviz/libs/ppc/Rgraphviz.so':
> dlopen(/Users/jbyr/Library/R/2.9/library/Rgraphviz/libs/ppc/Rgraphviz.so, 
> 6): Library not loaded: /usr/local/lib/libgvc.3.dylib
>   Referenced from: 
> /Users/jbyr/Library/R/2.9/library/Rgraphviz/libs/ppc/Rgraphviz.so
>   Reason: image not found
> Error: package/namespace load failed for 'Rgraphviz'
> I went to look for libgvc.3.dylib, and there in /usr/lib found 
> libgvc.5.dylib .
> Is the answer here to install an older version of graphviz? If so 
> which one?  Or can Rgraphviz be made to work with my existing 
> installation of graphviz?
> -Jarrett
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