Problem solved after re-installation of X-Quartz. It seems some libraries were 
missing after the last update (I don’t know if its R fault or Yosemite 
operating system update)

thanks anyway

regards

Pedro


> On 08/01/2015, at 11:54, Jari Oksanen <[email protected]> wrote:
> 
> Howdy,
> 
> This is not a vegan issue: see this mailing list about the problems other 
> people had with tcltk (tcltk is the key issue).
> 
> Next version of vegan can be loaded without tcltk and there should be patched 
> versions of R-for-Mac that do not suffer with this problem. The next version 
> of vegan can be obtained from http://r-forge.r-project.og/, 
> <http://r-forge.r-project.og/,> but it no longer provides Mac binaries. For 
> patched versions of R, see other messages in this mailing list.
> 
> Cheers, Jari Oksanen
> From: R-SIG-Mac <[email protected] 
> <mailto:[email protected]>> on behalf of Pedro Gomes 
> <[email protected] <mailto:[email protected]>>
> Sent: 18 December 2014 23:52
> To: [email protected] <mailto:[email protected]>
> Subject: [R-SIG-Mac] vegan failed to load under Mac OS X Mavericks
>  
> Hi
> 
> When trying to load Vegan in R 3.1.2 under under Mac OS X Mavericks I get the 
> following error. Any idea why?
> 
> "starting httpd help server ... done
> Error : .onLoad failed in loadNamespace() for 'tcltk', details:
>   call: dyn.load(file, DLLpath = DLLpath, ...)
>   error: unable to load shared object 
> '/Library/Frameworks/R.framework/Versions/3.1/Resources/library/tcltk/libs/tcltk.so':
>   
> dlopen(/Library/Frameworks/R.framework/Versions/3.1/Resources/library/tcltk/libs/tcltk.so,
>  10): Library not loaded: /usr/X11/lib/libXft.2.dylib
>   Referenced from: /usr/local/lib/libtk8.6.dylib
>   Reason: image not found
> In addition: Warning message:
> running command ''otool' -L 
> '/Library/Frameworks/R.framework/Resources/library/tcltk/libs//tcltk.so'' had 
> status 69 
> Error: package or namespace load failed for ‘vegan’
> 
> Agreeing to the Xcode/iOS license requires admin privileges, please re-run as 
> root via sudo."
> 
> regards
> 
> Pedro Gomes
> 
> 
> 
> 
> <image001.jpg><image001.png>
> 
> 
> CBMA - Molecular and Environmental Biology Centre
> SPVS – SOCIEDADE PORTUGUESA DE VIDA SELVAGEM
> Biology Department
> Minho University
> Campus de Gualtar
> 4710-074 Braga
> PORTUGAL
> Phone: 351-253 604040
> Fax: 351-253 678980
> e-mail: [email protected] <mailto:[email protected]>

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