[R-SIG-Mac] rgraphviz on intel mac

[Simon Urbanek]

Kasper,

libltdl is a system library. It is present on all Tiger systems I  
could find. However, there are chances that it may be part of the  
developer tools (Xcode). I don't have any Macs without Xcode, so I  
cannot verify this. At any rate, my advice would be
- update to the latest available version of the OS
- install Xcode (preferably 2.4.1 or 2.5)

Cheers,
Simon


On Nov 1, 2007, at 1:55 PM, Kasper Daniel Hansen wrote:

> Hi All
>
> I am helping organize a course where we will use Rgraphviz. One of
> our future participants are using an Intel Macbook and has trouble
> installing Rgraphviz. Clearly my possibilities for probing around are
> rather limited since the course has not started, but this is what he
> reports doing:
>
> 1) Install Graphviz 2.12 from Simon's binary
> 2) Install the binary build of Rgraphviz from the most recent version
> of Bioconductor. This is version 1.16.0
>
> He gets the following error
>
>> Error in dyn.load(file, ...) :
>>  unable to load shared library '/Library/Frameworks/R.framework/
>> Versions/2.6/Resources/library/Rgraphviz/libs/i386/Rgraphviz.so':
>> dlopen(/Library/Frameworks/R.framework/Versions/2.6/Resources/
>> library/Rgraphviz/libs/i386/Rgraphviz.so, 6): Library not loaded: /
>> usr/lib/libltdl.3.dylib
>>  Referenced from: /usr/local/lib/libgvc.3.dylib
>>  Reason: image not found
>> Error : .onLoad failed in 'loadNamespace' for 'Rgraphviz'
>
> So it seems that something is broken, at least for an out of the box
> installation.
>
> Just checking if anyone knows anything
>
> Kasper
>
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