R can be built without tcl/tk and so I think it would still be good to check at runtime.
-roger On Mon, Mar 15, 2010 at 11:21 AM, Gabor Grothendieck <ggrothendi...@gmail.com> wrote: > I have had some comments on sqldf regarding its dependence on tcltk > such as the second last sentence on this blog post: > > http://translate.google.com/translate?hl=en&sl=zh-CN&u=http://www.wentrue.net/blog/%3Fp%3D453&prev=http://blogsearch.google.com/blogsearch%3Fhl%3Den%26ie%3DUTF-8%26q%3Dsqldf%26lr%3D%26sa%3DN%26start%3D10 > > sqldf does not directly use tcltk but it does use strapply in gsubfn > for its parsing and strapply uses tcl from the tcltk package to it > speed up -- there is also an all R version of strapply but the gsubfn > package as a whole still depends on tcltk whether or not the user uses > tcltk or not. I was thinking of changing the Depends:tcltk of > gsubfn to Suggests:tcltk and then checking for tcltk availability at > run time so if not available it would use the slower all R version; > however, I was under the impression that all R platforms have a > distribution of R that includes tcltk so in principle this should not > be necessary. > > Is that right regarding tcltk availability on various platforms? What > is the situation here? > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Roger D. Peng | http://www.biostat.jhsph.edu/~rpeng/ ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
