Hi Simon,
I think that you might have resolved my issue. I did not specify the arch,
so I will try that and let everyone know if that works.

Cheers,
--Tony

On Thu, Sep 3, 2009 at 4:11 PM, Simon Urbanek
<simon.urba...@r-project.org>wrote:

> Tony,
>
> On Sep 3, 2009, at 6:14 PM, Tony Chiang wrote:
>
>  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:
>>
>>
> What is the exact configure command you're running? I suspect that your
> problem is a 32-bit vs 64-bit mismatch, because SL changed the gcc default
> to 64-bit whereas the gfortran default is 32-bit, so you have to make sure
> your archs match (depending on which you actually want to build) - ideally
> you should specify -arch for all compilers (as the CRAN binary does - also
> see the FAQ).
>
> Cheers,
> Simon
>
>
>
>  ...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
>>
>>        [[alternative HTML version deleted]]
>>
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>>
>>
>>
>

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