[Rd] Require of gWidgetsRGtk2 fails: RGtk2.dll can't be found, but it's there

From: Janko Thyson <janko.thyson.rstuff_at_googlemail.com>
Date: Fri, 10 Jun 2011 12:04:49 +0200


Dear list,

I've been trying to get gWidgets/gWidgetsRGtk2 to run every other month for a while, but somehow I simply can't figure out what's going wrong.

I tried several distributions of the GTK runtime environment for Windows (http://downloads.sourceforge.net/gladewin32/gtk-2.12.9-win32-1.exe as described in the package's vignette,
http://ftp.gnome.org/pub/gnome/binaries/win32/gtk+/2.22/gtk+-bundle_2.22.1-20101227_win32.zip)

I also included GTK in my Windows PATH.

Yet, when I run 'require(gWidgetsRGtk2)', R complains that the RGtk2.dll can't be found/loaded (see below). But this file definitely exists. I'm running R-2.13.0 from a USB Device but made sure that args 'destdir' and 'lib' are set propperly in 'install.packages'.

Loading required package: gWidgetsRGtk2
Loading required package: gWidgets
Error in inDL(x, as.logical(local), as.logical(now), ...) :

   unable to load shared object
'R:/Apps/R/R-2.13.0/library/RGtk2/libs/i386/RGtk2.dll':

   LoadLibrary failure: Das angegebene Modul wurde nicht gefunden.

Failed to load RGtk2 dynamic library, attempting to install it. Learn more about GTK+ at http://www.gtk.org If the package still does not load, please ensure that GTK+ is installed and that it is on your PATH environment variable IN ANY CASE, RESTART R BEFORE TRYING TO LOAD THE PACKAGE AGAIN Error : .onAttach failed in attachNamespace() for 'gWidgetsRGtk2', details:

   call: .Call(name, ..., PACKAGE = PACKAGE)    error: C symbol name "S_gtk_icon_factory_new" not in DLL for package "RGtk2"

Best regards,
Janko

R version 2.13.0 (2011-04-13)
Platform: i386-pc-mingw32/i386 (32-bit)

locale:
[1] LC_COLLATE=German_Germany.1252 LC_CTYPE=German_Germany.1252
[3] LC_MONETARY=German_Germany.1252 LC_NUMERIC=C
[5] LC_TIME=German_Germany.1252

attached base packages:
[1] stats graphics grDevices utils datasets methods base

other attached packages:
[1] gWidgets_0.0-44

loaded via a namespace (and not attached):
[1] gWidgetsRGtk2_0.0-74 RGtk2_2.20.12 tools_2.13.0
 >



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