Homebrew R fails to allow installation of rgl

alexpreynolds commented 5 years ago

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To help us debug your issue please explain:

What you were trying to do (and why)

Note: This is not a problem with the brew command itself, or running it, but is instead an issue with the results from running R after running brew install R. In other words, this may be a bug with the Homebrew R recipe, as opposed to Homebrew itself. I apologize if this is the wrong place to report a problem with recipes; please let me know if there is a different place to report this issue, if so.

I have documented issues here, where I attempt to install the rgl library within the current version of R (3.5.2) installed via Homebrew (1.9.2) and XQuartz (2.7.11), which fails:

https://stackoverflow.com/questions/54188181/how-to-install-rgl-in-os-x-10-14

What happened (include command output)

Installation of rgl fails:

> install.packages("rgl")
...
Error in dyn.load(file, DLLpath = DLLpath, ...) : 
  unable to load shared object '/usr/local/lib/R/3.5/site-library/rgl/libs/rgl.so':
  dlopen(/usr/local/lib/R/3.5/site-library/rgl/libs/rgl.so, 6): Library not loaded: @rpath/libc++.1.dylib
  Referenced from: /usr/local/lib/R/3.5/site-library/rgl/libs/rgl.so
  Reason: image not found
Error: package or namespace load failed for 'rgl':
 .onLoad failed in loadNamespace() for 'rgl', details:
  call: NULL
  error:        Loading rgl's DLL failed. 
        On MacOS, rgl depends on XQuartz, which you can download from xquartz.org.

What you expected to happen

Normally, running install.packages("rgl") should run to completion, after which I can run library("rgl") etc. to use RGL routines.

Step-by-step reproduction instructions (by running brew install commands)

I am running the following within an xterm-based X11 terminal session within XQuartz:

$ brew --version
Homebrew 1.9.2
Homebrew/homebrew-core (git revision de1ec; last commit 2019-01-15)
Homebrew/homebrew-cask (git revision 68a73e; last commit 2019-01-14)
$ brew install R
...
$ uname -a
Darwin areynolds-macbook 18.2.0 Darwin Kernel Version 18.2.0: Mon Nov 12 20:24:46 PST 2018; root:xnu-4903.231.4~2/RELEASE_X86_64 x86_64
$ R
...
> version
               _                           
platform       x86_64-apple-darwin18.2.0   
arch           x86_64                      
os             darwin18.2.0                
system         x86_64, darwin18.2.0        
status                                     
major          3                           
minor          5.2                         
year           2018                        
month          12                          
day            20                          
svn rev        75870                       
language       R                           
version.string R version 3.5.2 (2018-12-20)
nickname       Eggshell Igloo 
> install.packages("rgl")
...
Error in dyn.load(file, DLLpath = DLLpath, ...) : 
  unable to load shared object '/usr/local/lib/R/3.5/site-library/rgl/libs/rgl.so':
  dlopen(/usr/local/lib/R/3.5/site-library/rgl/libs/rgl.so, 6): Library not loaded: @rpath/libc++.1.dylib
  Referenced from: /usr/local/lib/R/3.5/site-library/rgl/libs/rgl.so
  Reason: image not found
Error: package or namespace load failed for 'rgl':
 .onLoad failed in loadNamespace() for 'rgl', details:
  call: NULL
  error:        Loading rgl's DLL failed. 
        On MacOS, rgl depends on XQuartz, which you can download from xquartz.org.

Workaround

I was able to solve this problem by running brew uninstall R and installing R via the CRAN distribution method. As a result, I believe this may suggest an issue with the Homebrew R recipe, or the installation of the rgl library with the configuration of R installed via the Homebrew R recipe.

fxcoudert commented 5 years ago

R in Homebrew is configured --without-x, I think this may be related to your issue. Maybe rgl requires R to have been compiled with X11 support?

pooranis commented 5 years ago

I have Homebrew R installed (so --without-x), and rgl installs just fine. Looking at the compiling output, the installer appears to recognize the OS as Darwin/MacOS and looks in the appropriate place for x11 and does find it. Is that the case for you?

MikeMcQuaid commented 5 years ago

Closing as not reproducible.

Homebrew / homebrew-core

Homebrew R fails to allow installation of rgl #36043