[R-SIG-Mac] "-fno-automatic" unrecognized by new gfortran

[Adam Kocoloski]

Hi Simon,

Do you have the equivalent of <http://r.research.att.com/cc1-gcc42fort5531-darwin9.tar.gz 
 > available for Tiger as well?  Regards,

Adam

On Nov 28, 2007, at 3:50 PM, Simon Urbanek wrote:

> Adam,
>
> unfortunately gfortran invokes cc1 for your code (I'm not sure why),  
> which comes from the "official" tools that don't support Fortran.  
> For your particular setup this should be easily fixable by using cc1  
> from the build that included Fortran support:
> http://r.research.att.com/cc1-gcc42fort5531-darwin9.tar.gz
> but in general this poses a problem, because Apple's version of cc1  
> doesn't know about the Fortran front-end (and I don't feel like  
> messing with their binaries). Given that I'm using Apple's sources,  
> it should be fine for now, but you never know.
>
> Thanks for raising the issue.
> Simon
>
> On Nov 28, 2007, at 3:25 PM, Adam Kocoloski wrote:
>
>> Hi,
>>
>> I tried the new gfortran-42.pkg and gcc42build5531.pkg hosted at
>> r.research.att.com/tools (ADC Student membership isn't enough to get
>> me the Developer Preview of gcc 4.2 from Apple), and I found that the
>> "-fno-automatic" option isn't recognized:
>>
>> /usr/bin/gfortran -arch ppc -arch 'i386' -arch ppc64 -arch x86_64 - 
>> c -
>> O0 -g -funroll-loops -fomit-frame-pointer -ftree-vectorize -fno-
>> automatic   -I/Users/kocolosk/Documents/src/cernlib/2006/build/ 
>> mclibs/
>> cojets -I/Users/kocolosk/Documents/src/cernlib/2006/src/mclibs/ 
>> cojets -
>> I/Users/kocolosk/Documents/src/cernlib/2006/src/mclibs/cojets/code - 
>> I/
>> Users/kocolosk/Documents/src/cernlib/2006/src/include  - 
>> DCERNLIB_LINUX
>> -DCERNLIB_UNIX -DCERNLIB_LNX -DCERNLIB_QMGLIBC -DCERNLIB_MACOSX -
>> DCERNLIB_GFORTRAN   -o archive/acosx.o /Users/kocolosk/Documents/src/
>> cernlib/2006/src/mclibs/cojets/code/acosx.F
>> cc1: error: unrecognized command line option "-fno-automatic"
>> cc1: error: unrecognized command line option "-fno-automatic"
>> cc1: error: unrecognized command line option "-fno-automatic"
>> cc1: error: unrecognized command line option "-fno-automatic"
>>
>> I had previously used a gfortran built from FSF sources using the  
>> gcc-
>> universal.sh script from the same site without problems.  Sorry if
>> this isn't the appropriate place to file a bug report /
>> troubleshooting request against those compilers.  Best,
>>
>> Adam
>> -----------
>> Adam Kocoloski
>> Dept. of Physics, MIT
>>
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>