From istazahn at gmail.com  Sat Jun 24 04:50:31 2017
From: istazahn at gmail.com (Ista Zahn)
Date: Fri, 23 Jun 2017 22:50:31 -0400
Subject: [Rd] v3.4.0-2 incompatible with gcc 7.1
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Message-ID: <CA+vqiLHRhu_7_s0+ZdxXZ0DpHhAnEaytLrawd9x27nWqLhgV4g@mail.gmail.com>

Yes, regular install from the official repositories, all packages up
to date, works like a charm. I'm happy to follow up with you off-list
if you like, since this probably isn't interesting to a general R-user
audience.

Best,
Ista

On Fri, Jun 23, 2017 at 9:51 PM, Chris Cole <chris.c.1221 at gmail.com> wrote:
> Thanks Ista, that's good to know. Did you install from pacman?
>
> Chris
>
> On Fri, 23 Jun 2017 at 20:35 Ista Zahn <istazahn at gmail.com> wrote:
>>
>> FWIW, I don't have any problems with R on Arch Linux.
>>
>> On Jun 23, 2017 1:32 PM, "Chris Cole" <chris.c.1221 at gmail.com> wrote:
>>>
>>> Thank you for correcting my misunderstandings, Professor. Compiling from
>>> source did the trick, and I'll be following up with the arch maintainers
>>> about addressing the issue on their end.
>>>
>>> Best,
>>>
>>> Chris
>>>
>>> On Fri, 23 Jun 2017 at 11:02 Prof Brian Ripley <ripley at stats.ox.ac.uk>
>>> wrote:
>>>
>>> > R is compatible with GCC 7.1 !  New compiler versions are tested, as
>>> > well as those under development for the major compilers.  (A few
>>> > packages still fail with GCC 7.1, but that was reported to their
>>> > maintainers months ago.)
>>> >
>>> > Just follow the instructions in the R-admin manual to install from
>>> > sources.
>>> >
>>> > OTOH, ' v3.4.0-2 ' is not an R version number, so I think you are
>>> > referring to binary distributions on your Linux distro, which are not
>>> > the responsibility of 'Rcore or Rdevel' (whatever they are).
>>> >
>>> > On 23/06/2017 14:40, Chris Cole wrote:
>>> > > I'm on Arch Linux kernel version 4.11.6-1 using gcc version 7.1.1:
>>> > >
>>> > > gcc --version
>>> > > gcc (GCC) 7.1.1 20170516
>>> > >
>>> > > I have installed R through the arch package manager pacman and when I
>>> > > attempt to initiate it, R crashes stating a missing dependency:
>>> > >
>>> > > /usr/lib64/R/bin/exec/R: error while loading shared libraries:
>>> > > libgfortran.so.3: cannot open shared object file: No such file or
>>> > directory
>>> > >
>>> > > I thought that maybe a symlink was improperly placed in the package
>>> > > so I
>>> > > looked in /usr/lib to try to find the offending library.
>>> > >
>>> > > ls -halt /usr/lib/libgfortran.so.*
>>> > > lrwxrwxrwx 1 root root 20 May 16 03:01 /usr/lib/libgfortran.so.4 ->
>>> > > libgfortran.so.4.0.0
>>> > > -rwxr-xr-x 1 root root 7.1M May 16 03:01
>>> > > /usr/lib/libgfortran.so.4.0.0
>>> > >
>>> > > Simply symlinking libgfortran.so.4.0.0 to libgfortran.so.3 did not
>>> > > work,
>>> > > and after some questioning on SO (
>>> > >
>>> >
>>> > https://stackoverflow.com/questions/44658867/r-v3-4-0-2-unable-to-find-libgfortran-so-3-on-arch
>>> > )
>>> > > it seems that gfortran 7 has bumped the .so object to version 4.
>>> > >
>>> > > It seems that a relatively straightforward workaround for the present
>>> > would
>>> > > be to install a legacy version of gcc alongside the current version.
>>> > >
>>> > > I'm wondering if Rcore or Rdevel are moving towards being able to
>>> > > handle
>>> > > the new compiler version any time soon, and if there are any other
>>> > > workarounds than having two versions of the compiler.
>>> > >
>>> > > Thanks.
>>> > >
>>> > > Chris
>>> > >
>>> > >       [[alternative HTML version deleted]]
>>> > >
>>> > > ______________________________________________
>>> > > R-devel at r-project.org mailing list
>>> > > https://stat.ethz.ch/mailman/listinfo/r-devel
>>> > >
>>> >
>>> >
>>> > --
>>> > Brian D. Ripley,                  ripley at stats.ox.ac.uk
>>> > Emeritus Professor of Applied Statistics, University of Oxford
>>> >
>>> > ______________________________________________
>>> > R-devel at r-project.org mailing list
>>> > https://stat.ethz.ch/mailman/listinfo/r-devel
>>> >
>>>
>>>         [[alternative HTML version deleted]]
>>>
>>> ______________________________________________
>>> R-devel at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-devel



[Rd] v3.4.0-2 incompatible with gcc 7.1
Ista Zahn