Am Montag, 29. April 2019, 15:03:54 CEST schrieb Kurt Hornik: > >>>>> Johannes Ranke writes: > > Am Montag, 29. April 2019, 13:44:03 CEST schrieb Kurt Hornik: > >> >>>>> Johannes Ranke writes: > >> Thanks. You may have seen that with current gfortran in > >> testing/unstable, there are problems with the R BLAS/LAPACK API entries > >> using a Fortran interface (and hence in particular when using the BLAS > >> and LAPACK sources that ship with R). > > > > No, I wasn't aware of this. Is there a bug report where this is > > discussed? > > Not really, as the issue seems to complicated to condense into a bug > report. From discussions with Thomas Koenig from the GCC team, it seems > that f2c, g77 and now gfortran have always added additional character > length arguments for each character argument, where the R > F77_NAME/F77_CALL mechanism has always called with the arguments of the > Fortran subroutine but without the additional length arguments. A > change in gcc trunk also ported to gcc-8-branch apparently changed what > happened in such case, to the effect that we're now seeing about 25 > CRAN packages fail their run time checks with segfaults or run time > errors ... > > But things are actually hard to pin down for us, and no obvious "fix" > is in sight. It would be great if at least for the gfortran-8 that > Debian will release we would get the old behavior back ...
I think the likelihood of this would be greater if there was a bug against the version of gfortran in unstable/testing... Can you give a small reproducible example? Johannes > > Best > -k > > > Johannes > > > >> It seems I can avoid these using > >> OpenBLAS (but then this really only works find for me provided I setenv > >> OPENBLAS_NUM_THREADS=1). > >> > >> -k > >> > >> > Dear all, > >> > Now that the upcoming Debian release "buster" is frozen, I have started > >> > supplying backports for it. Pending mirror synchronisations, R 3.6.0 is > >> > now > >> > available for Debian buster on i386 and amd64 architectures. Please > >> > refer > >> > to> > >> > > >> > https://cran.r-project.org/bin/linux/debian/ > >> > > >> > for details. At the moment I am not providing binaries for the arm > >> > architecture for buster, as the SD card in my raspberry 3 has died and > >> > I > >> > do > >> > not use these binaries any more anyways. Let me know if this is a > >> > problem. > >> > > >> > Kind regards, > >> > > >> > Johannes > >> > > >> > _______________________________________________ > >> > R-SIG-Debian mailing list > >> > R-SIG-Debian@r-project.org > >> > https://stat.ethz.ch/mailman/listinfo/r-sig-debian > > _______________________________________________ > R-SIG-Debian mailing list > R-SIG-Debian@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-debian -- PD Dr. Johannes Ranke Grenzach-Wyhlen _______________________________________________ R-SIG-Debian mailing list R-SIG-Debian@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-debian