[R-SIG-Mac] How to get a Fortran compiler compatible to Xcode?

[peter dalgaard]

You do need to read this:

http://cran.r-project.org/doc/manuals/r-release/R-admin.html

People are not inclined to write significant amounts of the same information to the list...

-Peter D


> On 10 May 2015, at 19:27 , Marius Hofert <marius.hofert at uwaterloo.ca> wrote:
> 
> Dear Peter,
> 
> Thanks for your quick help.
> 
> I'm not so familiar with the technicalities (and try to learn): Where
> is the file 'config.site' located in your system? Is this supposed to
> be a file which provides settings for 'configure'?
> 
> Thanks & cheers,
> Marius
> 
> PS: Also thanks for the hint towards r.research... I'll look into that
> once everything else is running. I already have some things running,
> e.g., texinfo, not sure if the 'texinfo' you mentioned is a specific
> one (but I'll see then).
> 
> 
> 
> On Sun, May 10, 2015 at 1:04 PM, peter dalgaard <pdalgd at gmail.com> wrote:
>> 
>>> On 10 May 2015, at 17:13 , Marius Hofert <marius.hofert at uwaterloo.ca> wrote:
>>> 
>>> Hi,
>>> 
>>> I'm running Mac OS X Yosemite 10.10.3 on a MacBook Pro (Retina,
>>> 13", 2015). I would like to install R from source (various
>>> versions etc.) and thus installed Xcode (latest version:
>>> 6.3.1). How can I get a Fortran compiler which is compatible with Xcode 6.3.1?
>>> 
>>> Here is what I tried:
>>> 1) I used to download and install gfortran-lion-5666-3.pkg from
>>> http://r.research.att.com/tools but I now obtain "... can't be
>>> installed on this disk. This package requires Xcode 4.1 with
>>> gcc-4.2 (build 5666.3)". It seems that my (newer) Xcode version
>>> is not recognized.
>>> 2) I then installed gfortran-4.2.3.dmg from CRAN -> Download R
>>> for (Mac) OS X -> tools. This worked fine, but then I ran into this issue:
>>> I wanted to install MPI and thus downloaded and unpacked
>>> openmpi-1.8.5.tar.gz from http://www.open-mpi.org/software/ompi/
>>> but ./configure leads to an error:
>>> 
>>> ...
>>> checking if C and Fortran are link compatible... no
>>> **********************************************************************
>>> It appears that your Fortran compiler is unable to link against
>>> object files created by your C compiler.  This typically indicates
>>> one of a few possibilities:
>>> 
>>> - A conflict between CFLAGS and FCFLAGS
>>> - A problem with your compiler installation(s)
>>> - Different default build options between compilers (e.g., C
>>>   building for 32 bit and Fortran building for 64 bit)
>>> - Incompatible compilers
>>> 
>>> Such problems can usually be solved by picking compatible compilers
>>> and/or CFLAGS and FCFLAGS.  More information (including exactly what
>>> command was given to the compilers and what error resulted when the
>>> commands were executed) is available in the config.log file in this
>>> directory.
>>> **********************************************************************
>>> configure: error: C and Fortran compilers are not link compatible.
>>> Can not continue.
>>> sklar-2:openmpi-1.8.5 mhofert$
>>> 
>>> I found this post
>>> (http://grokbase.com/t/r/r-sig-mac/14awnd0341/compiling-r-3-1-1-sources-under-os-x-yosemite)
>>> which seems to be related, but since there are no clear
>>> instructions/scripts given, I still don't have a solution.
>>> 
>>> How can I get a suitable/compatible Fortran compiler?
>>> 
>> 
>> I think you already have one, you just need to set flags properly - the typical problem is that, with default settings, you get C compiled for 64 bits and Fortran for 32 bit.
>> 
>> I have this:
>> 
>> $ more config.site
>> r_arch=${r_arch:=x86_64}
>> CC="gcc -arch $r_arch"
>> CXX="g++ -arch $r_arch"
>> F77="gfortran -arch $r_arch"
>> FC="gfortran -arch $r_arch"
>> OBJC="gcc -arch $r_arch"
>> with_blas="-framework vecLib"
>> with_lapack=yes
>> CURL_CONFIG=/usr/bin/curl-config
>> 
>> Notice also, that with the newer sources, you need to install some stuff from http://r.research.att.com/libs/ : pcre, xz, texinfo, plus maybe some more that I have forgotten.
>> 
>> 
>> 
>>> Thanks & cheers,
>>> Marius
>>> 
>>> _______________________________________________
>>> R-SIG-Mac mailing list
>>> R-SIG-Mac at r-project.org
>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>> 
>> --
>> Peter Dalgaard, Professor,
>> Center for Statistics, Copenhagen Business School
>> Solbjerg Plads 3, 2000 Frederiksberg, Denmark
>> Phone: (+45)38153501
>> Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com

-- 
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com