Hear, hear! Also thank you Uwe and the rest of the CRAN team for all the work you put in. It is much appreciated!
________________________________________ From: R-devel <r-devel-boun...@r-project.org> on behalf of Uwe Ligges <lig...@statistik.tu-dortmund.de> Sent: 08 December 2021 14:24 To: Tomas Kalibera; r-devel Subject: Re: [Rd] R/CRAN switch to UCRT on Windows Thank you, Tomas, for your hard work on the new toolchain, its documentation, and all your efforts in providing patches for R and for several contributed packages. Best, Uwe On 08.12.2021 14:56, Tomas Kalibera wrote: > Please note an update concerning the support of UTF-8 as native encoding > on Windows, which may at this point be of interest particularly to > developers of packages with native code and to R users using R-devel > (the development version of R) on Windows: > > https://developer.r-project.org/Blog/public/2021/12/07/upcoming-changes-in-r-4.2-on-windows/ > > > The key part is that CRAN will switch the incoming checks of R packages > on Windows to a new toolchain targeting UCRT on Monday, December 13. > > It may take up to several days for all systems to synchronize and during > this time, it may be difficult to build R-devel on Windows from source > or to install packages. After the switch, the snapshot R-devel builds > and binary package builds provided by CRAN will be built using the new > toolchain for UCRT. These new builds will use UTF-8 as the native > encoding on recent Windows. > > These builds will be incompatible with the previous builds for MSVCRT > and installed/binary packages will be incompatible as well. The > recommended/simplest course of action for R-devel users is to uninstall > the old build of R-devel, RTools, delete the old package libraries, and > then install the new versions. > > Checks of CRAN packages with the new toolchain have been running since > March with results available on CRAN pages. By now, most packages are > working, but some packages using native (C, C++, Fortran) code still > have to be updated. The Winbuilder service and R-hub support the new > toolchain, there is also support/example for using github actions. The > builds of R-devel and CRAN (and recommended binary packages) with the > new toolchain are available regularly since March. > > I've created patches for CRAN (and required Bioconductor packages) which > are installed automatically at package installation time by R. This > feature will be also in R-devel after the switch and will be used > temporarily to give package authors more time to fix their packages. Uwe > Ligges, other CRAN team members and I have also been in touch with some > package authors, providing advice how to fix their packages, when the > issues required more explanation. I am prepared to help the remaining > authors as well if needed. > > Please see the blog post and materials linked from there for more > details and feel free to ask questions. > > Thanks > Tomas > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
