> On 7/02/2024, at 5:06 AM, Prof Brian Ripley via R-devel
> <r-devel@r-project.org> wrote:
>
> On 04/02/2024 19:41, Holger Hoefling wrote:
>> Hi,
>> I wanted to ask if people have good advice on how to debug M1Mac package
>> check errors when you don´t have a Mac? Is a cloud machine the best option
>> or is there something else?
>
> I presumed this was about a CRAN package, possibly hdf5r which has a
> R-devel-only warning from the Apple clang compiler. And that is not a 'check
> error' and not something to 'debug'.
>
> The original poster had errors for his package flsa until yesterday on
> fedora-clang and M1mac, which were compilation errors with recent LLVM and
> Apple compilers. Again, not really something to 'debug' -- the compiler
> messages were clear and the CRAN notification contained advice on where in
> our manual to look this up.
>
> The mac-builder service offers checks for R 4.3.0, the 'development' option
> being (last time I tried) the same as the 'release' option. (When I asked,
> Simon said that 'development' checks were only available in the run up to a
> x.y.0 when he starts package building and checks for R-devel.)
>
Just to clarify, the above is outdated information - ever since the R-devel
packages binaries are on CRAN the "development" option in the mac-builder is
available.
Cheers,
Simon
>
> We were left to guess, but I doubt this has to do with the lack of 'extended
> precision' nor long doubles longer than doubles on arm64 macOS. And issues
> with that are rather rare (much rarer than numerical issues for non-reference
> x86_64 BLAS/LAPACKs). Of the 20,300 CRAN packages just 18 have
> M1mac-specific errors, none obviously from numerical inaccuracy. A quick
> look back suggests we get about 20 a year with M1mac numerical issues, about
> half of which were mirrored on the x86_64 'noLD' checks.
>
> --
> Brian D. Ripley, rip...@stats.ox.ac.uk
> Emeritus Professor of Applied Statistics, University of Oxford
>
> ______________________________________________
> 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
