[Rd] R 3.4 has broken C++11 support

[Ista Zahn]

Hi Philipp,

Fellow Archlinux user here. I think the problem is with the r-devel
PKGBUILD file, rather than anything wrong in R itself. The PKGBUILD
file does this:

ln -s /etc/R/${i} ${i}

when it should do

ln -s /etc/R-devel/${i} ${i}

You can fix your installed version with

cd /opt/r-devel/lib/R/etc/
sudo rm ./*
sudo ln -s /etc/R-devel/javaconf
sudo ln -s /etc/R-devel/ldpaths
sudo ln -s /etc/R-devel/Makeconf
sudo ln -s /etc/R-devel/Renviron
sudo ln -s /etc/R-devel/repositories

Or (better) fix the PKGBUILD and makepkg/pacman -U

Best,
Ista



On Wed, Apr 19, 2017 at 10:32 AM, Angerer, Philipp via R-devel
<r-devel at r-project.org> wrote:
> Hi Dirk and Martyn,
>
>> That looks fine. Can you please give a reproducible example of a package
>> that compiles correctly on R 3.3.3 but not with R 3.4.0 or R-devel.
>
> here you go, it’s pretty much the simplest package possible that needs C++11:
>
> https://github.com/flying-sheep/cxx11test
>
>> Maybe you can share with us how you configure the build of R-devel?
>
> Sure, in the mail you quoted, I already linked exactly that:
>
> https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=r-devel#n40
>
>> ./configure --prefix=/opt/r-devel \
>>       --libdir=/opt/r-devel/lib \
>>       --sysconfdir=/etc/R-devel \
>>       --datarootdir=/opt/r-devel/share \
>>         rsharedir=/opt/r-devel/share/R/ \
>>         rincludedir=/opt/r-devel/include/R/ \
>>         rdocdir=/opt/r-devel/share/doc/R/ \
>>       --with-x \
>>       --enable-R-shlib \
>>       --with-lapack \
>>       --with-blas \
>>       F77=gfortran \
>>       LIBnn=lib
>
>
> Thanks and cheers,
> Philipp
>
>
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