From chris.c.1221 at gmail.com  Sat Jun 24 03:51:53 2017
From: chris.c.1221 at gmail.com (Chris Cole)
Date: Sat, 24 Jun 2017 01:51:53 +0000
Subject: [Rd] v3.4.0-2 incompatible with gcc 7.1
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 <f0a264bc-dca3-2c65-1cab-29991e832b29@stats.ox.ac.uk>
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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
>>
>

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[Rd] v3.4.0-2 incompatible with gcc 7.1
Chris Cole