On Jan 5, 9:15 am, emil <emil.widm...@gmail.com> wrote: > > The tests for that are optional - we can't assume every system with > > Sage has the right stuff, unfortunately. Why the VM image *and* > > Ubuntu binaries don't have it is a mystery; my guess is that they are > > compiled on some virtual machine on some other machine, and that the > > virtual machine is a minimal setup. I don't know where those binaries > > are created, though. > > > - kcrisman > > I understand the reasoning and that it is impossible to have every > feature working out of the box on every machine. In case of plotting > in R I think this is one of the finest parts of that package, so its a > shame it is problematic. > > I was always ignorant of sage -testall --optional! ;-) I always > thought I am very thouroughgoing with my sage -testall after each > installation. > > Hm, does R need the Xorg - dev headers to work properly? Thats the
Well, I don't know why, but they apparently think so. It's in the documentation that this (or something like it) should be in to build these things. I really need to ask their devel list someday... - kcrisman > only reason I can imagine it is not feasable to build that into a > standard binary (X and linpng should be there in 99.99 % of Ubuntu > installs). I am not sure about it, because I have tested an R package > without those headers installed, and demo(graphics) worked fine. The > VM is a different story, but it should be possible to build one where > plotting is working. > > emil -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
