Rolf, I have no expertise in X11, and can use it (I don't normally, it seems much slower than quartz) the most technical thing I have done is install R installation using the installer from r.research.att.com but if it helps you in a moment of desparation!
On 07/05/2010, at 10:28 , Rolf Turner wrote: > My reading of the discourse appears to me to indicate that I should > be able to remedy the problem by running System Update. I found the > menu item for that and clicked on it. I got a pop-up window listing > the software for which updates are available. None seems to have > anything to do with X11 or with libpng12.0.dylib. I have attached > a screen shot of this pop-up window in pdf format. I am running 10.6.3 - Apple updates routinely seem to include all sorts of very small tweaks and updates here and there. I don't really understand why my sessionInfo() output is the same as yours - x86_64-apple-darwin9.8.0. > sessionInfo() R version 2.10.1 Patched (2010-02-01 r51089) x86_64-apple-darwin9.8.0 locale: [1] en_AU.UTF-8/en_AU.UTF-8/C/C/en_AU.UTF-8/en_AU.UTF-8 attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] maptools_0.7-34 lattice_0.18-3 foreign_0.8-40 rgdal_0.6-26 sp_0.9-62 sna_2.1-0 [7] network_1.4-1 RPostgreSQL_0.1-6 DBI_0.2-5 > One item that I guess might have some impact is for the whole operating > system! The item says that Mac OS X 10.6.3 is available. (I'm currently > running 10.6.2.) I hesitate to try this, since I'm not sure what other > difficulties would result from so doing. And I'm not sure how long it > would take. Hours? And doesn't one have to ***pay*** for OS updates? at 438 MB I guess you could argue that you have to pay, especially if you are not on broadband. But you don't have to pay anything to Apple for the minor digit upgrades ( ie 10.6.2 -> 10.6.3) > So can anyone suggest how I might get the appropriate up-to-date version > of libpng12.0.dylib in place on my system? I have it - no idea where it came from , but I'd try the upgrade as you have identified. In fact I seem to have all the following: libpng.3.35.0.dylib libpng.3.41.0.dylib libpng.3.dylib libpng.dylib libpng12.0.35.0.dylib libpng12.0.41.0.dylib libpng12.0.dylib libpng12.dylib I hope this is some help. cheers Ben _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-mac