On 08/30/2010 03:01 AM, Prof Brian Ripley wrote: > On Mon, 30 Aug 2010, Adrian Waddell wrote: > >> Dear R Community, >> >> I adapted the C-Code found at (http://wiki.tcl.tk/25685) implementing >> fast image resizing for Tk images for my R package. >> >> The C Code differs for tcl/tk version 8.4 and 8.5. I have the working >> code for both versions. >> >> How do I integrate this C-Code into my package so that R CMD INSTALL >> takes care of compiling the function correct for each OS and tcl >> version? (such that I can submit the package to CRAN). >> >> Once the two files would be compiled I could load the correct function > > You can't do that: very few systems will have both Tcl 8.4 and 8.5 > libraries installed. So you need to use the package's configure script > to detect the Tcl/Tk version and also what libraries to compile against. > > I'm not sure I would try to support Tcl 8.4: 8.5 has been out for a long > time now and you could simply make it a package SystemRequirement. We > are only support 8.4 in R because we have existing code to do so that > has not yet been removed. >
Thank you very much for your input. Does anybody know by any chance a package which would provide an example of such a configure script? ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
