Choosing between Snow Leopard and Mavericks builds
Also, instructions here <http://r.research.att.com/libs/> complement the manual (if you are---as I was---unsure what to do with the file you get from the link in the instructions <http://r.research.att.com/libs/gfortran-4.8.2-darwin13.tar.bz2>).
On 2014-05-31, 11:10 AM, "Brian Ripley" <ripley at stats.ox.ac.uk> wrote:
On 31 May 2014, at 16:00, Davood Tofighi <dtofighi at gmail.com> wrote: I have a follow up question. How can I install gfortran-4.8.2 on the Mavericks?
See the manual: link below.
On Tuesday, April 22, 2014 3:04:27 AM UTC-4, Prof Brian Ripley wrote: I've noticed some confusion about which CRAN installer package to use, and even reluctance to update to 3.1.0. So some pointers for Mavericks users 1) AFAIK no users are going to be worse off using the Snow Leopard build of 3.1.0 rather than the only (Snow Leopard) build of 3.0.x. 2) The Mavericks build has support for C++11-using packages (there are currently less than a handful) and some performance improvements from its later compilers (and in rare cases these are large). 3) If you rely on binary packages with are not available for the Mavericks build, install the Snow Leopard one. Currently that includes CRAN packages rgdal and rjags and all the BioC packages. 4) If you install packages from source, you will be most likely better off with the Mavericks build. 5) The two builds need different Fortran compilers installed: you can have both compilers at once. The details are at http://cran.r-project.org/doc/manuals/r-release/R-admin.html#OS-X . As far as I know a Fortran compiler is only needed if you install packages from sources. Some of the Mavericks binary packages are missing for good reason. The C++ binary interface for the Xcode 5.x compilers in Mavericks is completely different, so external software has to be compiled with those compilers. This affects CRAN packages RQuantlib RProtoBuf RVowalWabbit rgdal rjags rzmq Most of these can be gotten to work (see the results labelled r-devel-osx-x86_64-clang at http://cran.r-project.org/web/checks/check_summary.html) if compiling from sources. There are packages with badly-written C++ which do not compile under Mavericks, but as we have been chasing the CRAN maintainers for a few months there are very few left (the main example is BioC's package mzR). We had expected that by this time Mavericks users would be in a majority, but it seems the proportion is in the 40s (%). Thus for R 3.1.0 most of the effort has gone into the Snow Leopard build: expect that to change by R 3.2.0 in a year's time. -- Brian D. Ripley, rip... at stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595
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