[R-SIG-Mac] Building R-devel from Source on Snow Leopard

[Simon Urbanek]

John,

On Sep 3, 2009, at 7:19 PM, John C. Tull wrote:

> There appears to be an Apple-supplied gfortran in /usr/bin now, but  
> it is i386 arch rather than 64-bit. I'm not sure if you can use it  
> to build a 64-bit R or not. It is also version 4.2.1.
>

I suspect you may have installed the Leopard gfortran-4.2 previously  
and then upgraded your OS and Xcode (there is no gfortran in stock  
Xcode 3.2). That will work, but it is 32-bit by default since it comes  
from Xcode 3.1.x which was 32-bit by default (you can still compile 64- 
bit with it by using -arch x86_64).

Cheers,
Simon


>
> On Sep 3, 2009, at 3:16 PM, Tony Chiang wrote:
>
>> Sorry, I forgot to mention that I had downloaded and installed the  
>> gfortran
>> 4.2.3 from here
>>
>> http://r.research.att.com/tools/#gcc42
>>
>> dhcp151062:R-devel tc$ gfortran --version
>>> GNU Fortran (GCC) 4.2.3
>>>
>>
>> On Thu, Sep 3, 2009 at 3:14 PM, Tony Chiang <tchiang at fhcrc.org>  
>> wrote:
>>
>>> Hi,
>>>
>>> So I am trying to configure and build the latest of R-devel on one  
>>> of the
>>> new Macbook Pro's running Snow leopard. I have installed the  
>>> latest X-Code
>>> tools (downloaded from the Apple Site) and have gcc installed:
>>>
>>> gcc --versioni686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc.  
>>> build
>>>> 5646)
>>>>
>>>
>>> So as I am trying to configure, I get this error message:
>>>
>>> ...cut...
>>>
>>>> checking for Fortran 77 libraries of gfortran...  -L/usr/local/lib
>>>> -L/usr/local/lib/gcc/i686-apple-darwin8/4.2.3
>>>> -L/usr/local/lib/gcc/i686-apple-darwin8/4.2.3/../../.. - 
>>>> lgfortranbegin
>>>> -lgfortran
>>>> checking how to get verbose linking output from gcc -std=gnu99...  
>>>> -v
>>>> checking for C libraries of gcc -std=gnu99...  -lcrt1.10.6.o
>>>> -L/usr/local/lib -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/x86_64
>>>> -L/usr/lib/i686-apple-darwin10/4.2.1
>>>> -L/usr/lib/gcc/i686-apple-darwin10/4.2.1
>>>> -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../../i686-apple- 
>>>> darwin10/4.2.1
>>>> -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../.. -lSystem
>>>> checking for dummy main to link with Fortran 77 libraries... rm:
>>>> conftest.dSYM: is a directory
>>>> none
>>>> checking for Fortran 77 name-mangling scheme... rm:  
>>>> conftest.dSYM: is a
>>>> directory
>>>> unknown
>>>> configure: WARNING: unknown Fortran name-mangling scheme
>>>> checking whether gfortran appends underscores to external  
>>>> names... unknown
>>>> configure: error: cannot use Fortran
>>>>
>>>
>>> I have not seen any messages quite like this on the mailing list.  
>>> What is
>>> pretty strange is the conftest.dSYM needs to be removed (?) for  
>>> some reason
>>> but is a directory. Any ideas or suggestions on how to resolve this?
>>>
>>> Best,
>>> --Tony
>>>
>>
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>>
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