From chris.c.1221 at gmail.com  Fri Jun 23 19:32:01 2017
From: chris.c.1221 at gmail.com (Chris Cole)
Date: Fri, 23 Jun 2017 17:32:01 +0000
Subject: [Rd] v3.4.0-2 incompatible with gcc 7.1
In-Reply-To: <f0a264bc-dca3-2c65-1cab-29991e832b29@stats.ox.ac.uk>
References: <CAFut0+8VVZ+oCja9QypnuQ17GdUcXijBkjuVgYrgGweEAOJPYg@mail.gmail.com>
 <f0a264bc-dca3-2c65-1cab-29991e832b29@stats.ox.ac.uk>
Message-ID: <CAFut0+8OzW9nJFLYUqKymjkd+Vu8jTtBs_bP9m6_OS87ECx1Yw@mail.gmail.com>

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]]



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