On 27/02/2023 08:09, Prof Brian Ripley wrote:
Your subject line is alarmist -- you only provide any evidence for 1 out of > 19000 CRAN packages (and not R itself).

Package RGtk2 was archived in 2021.  The current rattle (5.5.1) does not depend on it.  A direct download is available from rattle's CRAN landing page.  You have not told us what version of rattle you downloaded nor from where.

For me just now R 4.2.2 successfully downloaded

trying URL 'https://cran.wu.ac.at/bin/macosx/big-sur-arm64/contrib/4.2/rattle_5.5.1.tgz'

I should have said that rattle does not declare a *strict* dependency on RGtk2. When I try to run rattle() I see

> rattle()
Error in rattle() :
The RGtk2 package is not available but is required.
Please install the package using, for example:

  install.packages("RGtk2")

which would have failed.

Maybe you have some non-CRAN version of RGtk2 installed?

rattle's DESCRIPTION does say

  Note that RGtk2 and cairoDevice have been archived on CRAN.
  See <https://rattle.togaware.com> for installation instructions.

If you followed that, it would be something to take up with the 'rattle' maintainer.

On 27/02/2023 04:32, Keith Bierman wrote:
I've tried several (4.2 branches.pkg, R-GUI8191 dmg .... R installs fine,
but attempts to the load rattle fail. If I missed some obvious

Loading rattle seems to have worked -- it was running rattle() that failed.

configuration switch, feel free to point me at the FM! ;>
Seems to me that the downloads marked arm64 should only suck in
arm64-compatible dependencies..

. library(rattle)
Loading required package: tibble
Loading required package: bitops
Rattle: A free graphical interface for data science with R.
Version 5.5.1 Copyright (c) 2006-2021 Togaware Pty Ltd.
Type 'rattle()' to shake, rattle, and roll your data.
rattle()
Loading required package: RGtk2
Error in library.dynam("RGtk2", pkgname, libname) :
   shared object ‘RGtk2.so’ not found
Authorization required, but no authorization protocol specified

Need GTK+ ? (Restart R after installing)

1: Install GTK+
2: Do not install GTK+

Selection: 1
trying URL 'http://r.research.att.com/libs/GTK_2.24.17-X11.pkg'''

Which consistently seems to load the *INTEL* version of GTK, so of course
it installs, but fails to run, and tries to install again. Loop forever.

From the installer:

Requirements:

- Mac OS X 10.6 (Leopard) or higher, Intel 64-bit Mac


I*t supports Intel 64-bit Macs only.* All files will be installed in

*/Library/Frameworks/GTK+.framework/Versions/2.24.X11*

Keith Bierman
khb...@gmail.com
303 997 2749 <http://voice.google.com/calls?a=nc,%2B13039972749>

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--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford

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