Re: [R-SIG-Mac] GTK+ support (or rather lack thereof)

[Tom Elliott]

Simon,

> Hence this is a call to the R community to see if anyone actually cares.
I (and Chris Wild and quite a few of our mac users) care and would greatly 
appreciate working GTK+ CRAN packages! 

I don't have any knowledge re source etc, but just to remind you that the 
current RGtk2 package on CRAN for 3.3 doesn't work (or at least wasn't when I 
last tried): 

library(RGtk2)
gtkHScaleNewWithRange(0, 5, 1)  # segfault


Cheers,

- Tom
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[R-SIG-Mac] RGtk2 segfaulting on macOS

[Tom Elliott]

Hi,


The macOS binaries were recently built for macOS, however they're still not 
quite right. Runing the following ...


library(RGtk2)

gtkHScaleNewWithRange(0, 5, 1)


... leads to a segfault ...


 *** caught segfault ***
address 0x0, cause 'memory not mapped'

Traceback:
 1: .RGtkCall("S_gtk_hscale_new_with_range", min, max, step, PACKAGE = "RGtk2")
 2: gtkHScaleNewWithRange(0, 5, 1)


It's preventing some other packages (notably gWidgets2RGtk2) from building on 
CRAN, since it's tests are running into the same segfault when running tests 
(gslider calls gtkHScaleNewWithRange):
https://cran.r-project.org/web/checks/check_results_gWidgets2RGtk2.html



Thanks,


Tom.

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[R-SIG-Mac] RGtk2 binaries

[Tom Elliott]

Hi all,


Since R 3.4, the mac package binaries for RGtk2 have been unavailable. The 
install log from CRAN shows GTK cannot be found.

* installing *source* package 'RGtk2' ...
** package 'RGtk2' successfully unpacked and MD5 sums checked
checking for pkg-config... /usr/local/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for INTROSPECTION... no
checking for GTK... no
configure: error: GTK version 2.8.0 required
ERROR: configuration failed for package 'RGtk2'
* removing 
'/Volumes/SSD-Data/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/results/3.5/RGtk2.Rcheck/RGtk2'


Is there any possibility of this being fixed in the (near) future? We have a 
software package that depends on RGtk2 for the UI, so we are currently stuck 
forcing them to use R3.2 which is inevitably becoming obsolete as other 
packages we use require more up-to-date versions of R.



Thanks,

- Tom?

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