
<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I’ve removed XQuartz (again), and installed R and R-app from MacPorts. The R install warned me that<div class=""><div class="">Clang compilers provided by Xcode do not support OpenMP. Some R packages using OpenMP may require additional</div><div class="">  flags in the Makevar file (e.g. data.table) to build. Please consult package documentation.</div><div class=""><br class=""></div><div class="">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</div><div class="">This build of rgl does not include OpenGL functions.</div><div class=""><br class=""></div><div class="">Looking around for mentions of OpenGL, I couldn’t se anything that looked like an OpenGL library.</div><div class=""><br class=""></div><div class="">Any suggestions?</div><div class=""><br class=""></div><div class="">Peter</div><br class=""><br class=""><div class="">

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ne-break: after-white-space;" class=""><div dir="auto" style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none; -webkit-text-stroke-width: 0px; text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">--<br class="">Peter West<br class=""><a href="mailto:pbw@pbw.id.au" class="">pbw@pbw.id.au</a></div><div dir="auto" style="text-align: start; text-indent: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">“But new wine is for fresh wineskins.”</div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>

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<div><br class=""><blockquote type="cite" class=""><div class="">On 17 Jan 2021, at 3:44 pm, Ryan Schmidt <<a href="mailto:ryandesign@macports.org" class="">ryandesign@macports.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">On Jan 16, 2021, at 08:18, Peter West wrote:<br class=""><br class=""><blockquote type="cite" class="">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<br class="">This build of rgl depends on XQuartz, which you can download from <a href="http://xquartz.org" class="">xquartz.org</a>.<br class=""><br class="">Am  stuck with using XQuartz if I want to run this package, or is it possible to switch between the two?<br class=""></blockquote><br class="">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.<br class=""><br class="">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.<br class=""><br class=""></div></div></blockquote></div><br class=""></div></body></html>