On Wed, 15 Jan 2025 at 20:29, Prof Brian Ripley <rip...@stats.ox.ac.uk> wrote: > > On 15/01/2025 16:06, Iñaki Ucar wrote: > > Dear R Core, > > > > GCC 15 is already in Fedora rawhide, because it will be part of the next > > release, Fedora 42. R 4.4.2 fails to build with the following error [1]: > > > >> sys-std.c:1189:1: warning: ‘noreturn’ attribute ignored [-Wattributes] > >> 1189 | void Rstd_CleanUp(SA_TYPE saveact, int status, int runLast) > >> | ^~~~ > >> sys-std.c:1189:1: error: expected identifier or ‘(’ before ‘void’ > > You failed to say that GCC 15 defaults to C23 (and they have not yet > documented that). > > > > I've seen some references to this in the source code, so this may be fixed > > in R devel. If this is the case, it would be great if you could provide a > > patch that I can apply to v4.4.2 until the next R release (or maybe I > > should just specify an older C standard?). > > Look at the definition of NORET in R_ext/Error.h. You want r87411; > > r87411 | ripley | 2024-12-01 10:11:10 +0000 (Sun, 01 Dec 2024) | 1 line > > gcc pre-15 does not yet support [[noreturn]]
Thanks, that worked nicely. I'll apply it for now. Best, Iñaki > GCC 15 is not even at RC stage, and this is one of many undocumented > changes -- so they have not even got to the documentation-fixing stage. > This is a GCC issue -- both LLVM and Apple clang build R-patched in C23 > mode. > > We will port this to R-patched, unless GCC 15 is fixed before its or > R-patched's release. > > -- > Brian D. Ripley, rip...@stats.ox.ac.uk > Emeritus Professor of Applied Statistics, University of Oxford > -- Iñaki Úcar ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
