XQuartz and xorg-server

[Peter West]

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.

Any suggestions?

Peter


--
Peter West
pbw at pbw.id.au
“But new wine is for fresh wineskins.”

> On 17 Jan 2021, at 3:44 pm, Ryan Schmidt <ryandesign at macports.org> wrote:
> 
> On Jan 16, 2021, at 08:18, Peter West wrote:
> 
>> Following some general advice given earlier on the list, I had removed XQuartz and installed xorg-server. Now I am trying to load the rgl R library. At the end of the error message is
>> This build of rgl depends on XQuartz, which you can download from xquartz.org.
>> 
>> Am  stuck with using XQuartz if I want to run this package, or is it possible to switch between the two?
> 
> XQuartz and xorg-server are the same software, except that xorg-server is several years more up to date. There would be no advantage to installing XQuartz instead of xorg-server.
> 
> If the rgl R library is something you are installing outside of MacPorts, then perhaps it is looking specifically for XQuartz in its install location of /opt/X11. You may need to inform it that you have installed it to the MacPorts prefix /opt/local instead.
> 

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