
When attempting to install RGtk2 from source on a Mac Pro with 64 bit R the following error occurs:* Installing *source* package 'RGtk2' ...checking for pkg-config... /usr/local/bin/pkg-configchecking pkg-config is at least version 0.9.0... yeschecking for LIBGLADE... noconfigure: WARNING: libglade not foundchecking for INTROSPECTION... nochecking for GTK... noconfigure: error: GTK version 2.8.0 requiredERROR: configuration failed for package 'RGtk2'** Removing '/Library/Frameworks/R.framework/Resources/library/RGtk2'I have installed GTK+ 2.10.11 run-time  from http://r.research.att.com/I have read about LIBGLADE on various internet sites, but I have become confused about which version should be installed and how it should be configured.  Please tell me what additional software I need to install to compile R packages from source so they will work with 64 bit R.  Thank you,Kurt
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