Prof Brian D Ripley wrote: > On Wed, 18 Apr 2007, Hin-Tak Leung wrote: > >> Hi, >> >> I have gone back to cross-compiling again, and I have come to two >> curious issues: (I have native R under linux x86_64 and win32 R >> under wine) - both 2.4.1: >> >> (1) for a pure R package (i.e. no compiled code), win32 R would >> happily load the unix version, but the unix version complains >> the cross-built package that it was built for x86 mingw and refuses >> to load it. Is there any reason for the difference? > > Yes. Take a look at the installed DESCRIPTION file, and the Built: > line. (One reason is line endings: not everything works on Unix (diff, > for one) with CRLF endings, but everything does work on Windows with LF > endings.)
Yes, I know about that line in the DESCRIPTION file, and I tried deleting it without the desired effect. It seems that the built info is stored elsewhere as well for the cross-build?; but my point is that the native unix build DESCRIPTION file also says "Built: R 2.4.1; i686-redhat-linux-gnu; 2007-03-05 19:03:08; unix" but win32 R doesn't seem to mind loading it? It seems to be fairly common knowledge(?) that for pure R packages, one can just zip up the unix install to stick it on windows; and I was just surprised that the reverse is not true. >> (2) I get two "arguments in definition changed from (obj) to (object)" >> messages when I do library(XML) on win32 R - but not on native R, > > I get it on all platforms with 2.5.0 RC and later (2.4.x is closed), and > it is a bug in the XML package, AFAICS. I do believe it is a bug in XML (having had a look at google), but I can't pin-point how/where it triggers a message from R-core. I suppose I'll just look harder :-). This behavior seems to be specific to win32 R 2.4.x though, as I have "identical" R versions for the two: > sessionInfo() R version 2.4.1 (2006-12-18) i686-redhat-linux-gnu > sessionInfo() R version 2.4.1 (2006-12-18) i386-pc-mingw32 Hin-Tak ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
