Thanks, Martin. I have backed off MotifDB’s R requirement to 3.5.0. I will experiment with removing the requirement entirely in the new devel branch.
- Paul > On Nov 3, 2018, at 1:37 AM, Martin Morgan <mtmorgan.b...@gmail.com> wrote: > > If users are 'playing by the books' and using BiocManager::install(), the > version of R is coupled with the version of Bioconductor / your package, so > specifying an R version is irrelevant. In addition, saying your package has a > dependency R >=... implies that there will be no breaking changes in some > future R, which requires a certain amount of foresight. And using R itself > would seem to be a requirement for an R package. So in principle my feeling > is that it doesn't make sense to include R or an R version as a dependency. > > In a more practical setting it might be that your package depends on a > specific feature of R, or that you yourself are only confident that a > particular version of R will provide the needs of your package. It might then > be appropriate to specify that R version. Again in the domain of the ideal, > new R features would be introduced in R-devel, with bug fixes only in the > point releases. So a dependency like R >= 3.5.0 would seem appropriate. > > I'm not sure whether these comments are helpful or not... __ > > Martin > > On 11/2/18, 3:19 PM, "Bioc-devel on behalf of Paul Shannon" > <bioc-devel-boun...@r-project.org on behalf of > paul.thurmond.shan...@gmail.com> wrote: > > A user of MotifDb requests - sensibly, I think - that I loosen the > requirement > > Depends: R (>= 3.5.1) > > which I added before the release. This seems sensible and supported by, > for example, R (>= 2.10) in GenomicRanges. > > Is this, then, the heuristic? > > - new packages should depend on the lastest release of R > > - older existing packages should depend on earlier > versions of R, possibly sticking with the version of R in > which they originally appeared, as long as they have not > been subsequently modified to use new R features. > > - Paul > > > > > > > > _______________________________________________ > Bioc-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/bioc-devel > _______________________________________________ Bioc-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/bioc-devel
