XQuartz and xorg-server

[Peter West]

$ sudo port install xorg-server
$ sudo port install R
$ sudo port install R-app


Start MacPorts>R.app

In the R.app console

> install.packages(“rgl”)

This will involve a lot of compilation. The OpenMP problem seems to have been resolved by using the compiler /opt/local/bin/clang++-mp-9.0, and you will see plenty of this.

When that finishes, in the console

> library(rgl)

I get
This build of rgl does not include OpenGL functions.  Use
 rglwidget() to display results, e.g. via options(rgl.printRglwidget = TRUE).

So I should get output that way, but I’m curious about the “native” way of doing it.

Peter


--
Peter West
pbw at pbw.id.au
“So the Son of Man is lord even of the Sabbath..”

> On 19 Jan 2021, at 12:58 pm, Ryan Schmidt <ryandesign at macports.org> wrote:
> 
> 
> 
> On Jan 18, 2021, at 04:56, Peter West wrote:
> 
>> I’ve removed XQuartz (again), and installed R and R-app from MacPorts. The R install warned me that
>> Clang compilers provided by Xcode do not support OpenMP. Some R packages using OpenMP may require additional
>>  flags in the Makevar file (e.g. data.table) to build. Please consult package documentation.
>> 
>> I install.package’d data.table without whinging, then did the same for rgl. It built, but when I loaded the library, I was informed that
>> This build of rgl does not include OpenGL functions.
>> 
>> Looking around for mentions of OpenGL, I couldn’t se anything that looked like an OpenGL library.
> 
> I don't know anything about R or rgl. I tried "port search rgl" and I'm not sure if any of those are what you're referring to.
> 
> If you can provide an exact step-by-step list of commands to run to observe the problem, then I could try them on my system and see if I can figure out what needs to be changed.
> 

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