Dear Simon,

My question is whether I can install gfortran-4.2.3 and the newer GNU
version at the same time such that I can compile R.

I am not expecting any julia help from you. Thanks.

Huang

On Tue, Apr 10, 2012 at 9:47 PM, Simon Urbanek
<simon.urbanek@r-project.org>wrote:

> Huang,
>
> you're on the wrong mailing list, I'm not a julia developer nor do I
> endorse or support julia - please ask their mailing lists for support.
>
> Cheers,
> Simon
>
>
> On Apr 10, 2012, at 6:07 AM, huang min wrote:
>
> > Dear Simon,
> >
> > I want to try the julia language on MAC as Prof. Douglas Bates mentioned
> these days. I only installed your gfortran-4.2.3.dmg but did not install
> the gnu fortran from http://hpc.sourceforge.net or
> http://gcc.gnu.org/wiki/GFortranBinaries as julia language requires. When
> I try to run julia, I get the error message:
> >
> > dlopen(/Users/huang/julia/lib/libamos.dylib, 2): Library not loaded:
> /usr/local/lib/libgfortran.3.dylib
> >   Referenced from: /Users/huang/julia/lib/libamos.dylib
> >   Reason: image not found
> >
> > I checked my /usr/bin/local and there is only libgfortran.2.dylib (no
> libgfortran.3.dylib) there. Is this because the gfortran-4.2.3 a little old?
> >
> > If I further install newer version of GNU Fortran, will the
> gfortran-4.2.3 still be kept? Will this affect my compilation of R? Thanks.
> >
> > Huang
> >
> > On Tue, Apr 3, 2012 at 2:06 AM, Simon Urbanek <
> simon.urbanek@r-project.org> wrote:
> > Tim,
> >
> > On Apr 2, 2012, at 11:30 AM, Timothy Bates wrote:
> >
> > > Hi All,
> > >
> > > HPC seem to be maintaining the gcc toolchain up to date (they have GCC
> 4.7 compiled with autovectoring using OpenMP…)
> > >
> > > http://hpc.sourceforge.net
> > >
> > > BUT the page  http://r.research.att.com/tools/  says "do not use
> compilers from HPC, they won't work correctly!” Is that the case?
> > >
> >
> > Two reasons: a) they do not use Apple's drivers, so those are
> incompatible with most "regular" flags on Mac OS X (including most basic
> ones like -arch). b) last time I checked they were broken, i.e. the
> distribution did not even include libraries that the compiler linked
> against and it had OS version issues (i.e. it worked only on a very
> specific version which was not even what they were advertized for). I would
> hope that the latter point may have been rectified in the meantime, but I
> don't know. Gaurav never responded to my comments so I stopped worrying
> about that build. (There was a point c) where his compilers don't support
> ppc cross-compilation but that is less relevant now).
> >
> > It is stil possible to build FSF gcc and Apple drivers - that's what we
> used a while ago when Apple's branch was broken.
> >
> > But note that even the most recent compilers are not much better, OMP
> performance is unusable for R's purpose so last time I checked there were
> no noticeable gains after all the work, but more recent reports are welcome.
> >
> >
> > > Also, I wondered if http://www.macports.org might be the way to go to
> get a version of gcc with a non-crashing OpenMP library?
> > >
> >
> > MacPorts are quite notorious for the quality of the binaries and
> conflicts they cause, so I would be wary about that. If you compile
> everything from scratch (R and libraries), then the HPC compilers may work
> - you just have to stick to FSF flags.
> >
> > I am still weighting the options - the most reasonable way at the moment
> is clang because it is supported by Apple and under active development
> (personally, I have switched to clang because it's much better for
> development), but there is no OpenMP yet for clang, although it is
> (allegedly) brewing. But as I said, at least for R itself, the threading
> performance problem is deeper, so just updating the compiler or OMP doesn't
> seem to help (I didn't try MPC, though).
> >
> >
> > > PS: The att.com page talks about install disks for OS X, but I think
> it’s all via the app store now, including X Code.
> >
> > Yes, it varies by Xcode version and your OS X version. App store is the
> last resort, I prefer ADC which has always worked and still works. I think
> the FAQ is up to date.
> >
> > Cheers,
> > Simon
> >
> > _______________________________________________
> > R-SIG-Mac mailing list
> > R-SIG-Mac@r-project.org
> > https://stat.ethz.ch/mailman/listinfo/r-sig-mac
> >
>
>

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