[Heavy trimming applied.] On 04 Aug 2015, at 10:34 , Prof Brian Ripley <[email protected]> wrote:
> On 04/08/2015 08:57, peter dalgaard wrote: >> > >> Users who want to compile Fortran from source therefore get binaries for >> gfortran-4.8, gmp, mpfr from r.research.att.com >> This combination is broken on C2D machines > > AFAICS you only need the binary of gfortran 4.8.0, as the gmp/mpfr libs are > statically linked. Argh, I missed that point because I went directly for a full gcc/gfortran recompile. This also means that you cannot fix Simon's gfortran-4.8 by replacing the libs, of course. > >> Result: confusion (+ for some, a welcome incentive to upgrade...) >> >> If the fix can be as simple as editing Makeconf for a different Fortran (F77 >> and FLIBS entries), we should say so somewhere. > > We do, at https://cran.r-project.org/doc/manuals/r-patched/R-admin.html#OS-X > (although that was not current on CRAN when I just looked). OK, but it is not really an attractive solution if it only works some of the time. > >> Otherwise, I think it might be possible to "unbreak" gfortran-4.8 since the >> cause of the breakage is known. (I gather that it happens in something as >> silly as parsing floating constants in Fortran source, which at the very >> least can hardly be said to be a performance issue.) > > As we no longer support multiple sub-architectures on OS X, the Apple drivers > are not needed. I would be tempted to move to the binaries provided by > François-Xavier Coudert via the GCC wiki (also mentioned in the current > manual). > OK, I can try those on the laptop without too much hassle. > -- > Brian D. Ripley, [email protected] > Emeritus Professor of Applied Statistics, University of Oxford > 1 South Parks Road, Oxford OX1 3TG, UK -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: [email protected] Priv: [email protected] _______________________________________________ R-SIG-Mac mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-mac
