[R-SIG-Mac] Which gfortran for Leopard?

[cstrato]

Dear Simon,

Thank you for this information.

Now I have installed gfortran-4.2-5564-darwin9.tar.gz on Leopard and 
tried to compile ROOT again, but this time I got the following error:
g++ -dynamiclib -single_module -undefined dynamic_lookup -install_name 
@rpath/libminicern.so -O2 -m64 -o lib/libminicern.so 
misc/minicern/src/cernlib.o -ldl misc/minicern/src/hbook.o 
misc/minicern/src/kernlib.o misc/minicern/src/zebra.o libgfortran.dylib 
/usr/lib/gcc/i686-apple-darwin9/4.2.1/libgfortranbegin.a
i686-apple-darwin9-g++-4.0.1: libgfortran.dylib: No such file or directory

I know that this is not necessarily an R-related question but I would 
greatly appreciate your help if possible (at least it is a Mac- and 
somehow a BioC-related question).

When I have tried to compile ROOT with gfortran-4.2.3.dmg I got the 
following error:
gfortran -O2 -m64 -o bin/g2root main/src/g2root.o -Llib 
lib/libminicern.so 
/usr/local/lib/gcc/i686-apple-darwin8/4.2.3/../../../x86_64/libgfortran.dylib 
/usr/local/lib/gcc/i686-apple-darwin8/4.2.3/x86_64/libgfortranbegin.a 
-lm -Wl,-rpath, at loader_path/../lib    -pthread -ldl
ld: -rpath can only be used when targeting Mac OS X 10.5 or later

As you can see gfortran-4.2.3 could find libgfortran.dylib at:
/usr/local/lib/gcc/i686-apple-darwin8/4.2.3/../../../x86_64/libgfortran.dylib 

while gfortran-4.2.4 could not find libgfortran.dylib.

Thus maybe I did make a mistake when installing gfortran-4.2.4. Here is 
what I did:
$ gunzip gfortran-4.2-5564-darwin9.tar.gz
$ sudo tar -xvf gfortran-4.2-5564-darwin9.tar -C /
$ sudo ln -s /usr/bin/gfortran-4.2 /usr/bin/gfortran

Do you know what I need to do so that libgfortran.dylib can be found?

P.S.:Since many Mac users are no Unix experts please allow me to suggest 
to place on your website the commands to install/uninstall gfortran. I 
have found the following website, which told me how to install gfortran 
and how I could uninstall it:
http://www.webmo.net/support/fortran_osx.html

Thank you in advance.
Best regards
Christian



Simon Urbanek wrote:
>
> On Jan 21, 2010, at 15:56 , cstrato wrote:
>
>> Dear Simon,
>>
>> One more question:
>> I have just unzipped gfortran-4.2-5564-darwin9.tar.gz. The version 
>> gives:
>> Using built-in specs.
>> Target: i686-apple-darwin9
>> Configured with: /Builds/gcc/gcc_42-5564/build/obj/src/configure 
>> --disable-checking --enable-werror --prefix=/usr 
>> --mandir=/usr/share/man --enable-languages=c,objc,c++,obj-c++,fortran 
>> --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ 
>> --with-gxx-include-dir=/usr/include/c++/4.0.0 --with-slibdir=/usr/lib 
>> --build=i686-apple-darwin9 --host=i686-apple-darwin9 
>> --target=i686-apple-darwin9
>> Thread model: posix
>> gcc version 4.2.1 (Apple Inc. build 5564)
>>
>> This means that this version seems to be older than the one I am 
>> using now?
>>
>
> No, that is GNU Fortran 4.2.4 that I was referring to. The "gcc 
> version 4.2.1" comes from Apple's Xcode 3.1 gcc-4.2 branch since that 
> is what they define - it just adds Fortran support to the existing gcc 
> 4.2.1 branch of Apple that you installed as Xcode. However, the 
> Fortran part is merged from the GNU Fortran 4.2.4 release - hence I 
> refer to it as 4.2.4.
>
> Cheers,
> Simon
>
>
>>
>> Simon Urbanek wrote:
>>>
>>> On Jan 21, 2010, at 14:47 , cstrato wrote:
>>>
>>>> Dear all,
>>>>
>>>> I have the following problem:
>>>> My Bioconductor package xps requires both R and ROOT, whereby I 
>>>> compile ROOT usually from source. Until now this has not been a 
>>>> problem since I do all my development on Tiger. However, now I 
>>>> wanted to compile ROOT on Leopard but failed since my gfortran 
>>>> compiler is too old, see:
>>>> http://root.cern.ch/phpBB2/viewtopic.php?t=9721&sid=003b01ddb64f33dbe0c74651ee089c34 
>>>>
>>>>
>>>> To solve the problem I should upgrade to the latest version coming 
>>>> with gcc-4.4 in Fink.
>>>
>>> I would advise against that - using gcc from Fink usually calls for 
>>> a disaster. The real solution is to fix their flags, but that's 
>>> another story ...
>>>
>>>
>>>> Thus my question is:
>>>> Can I also use this version for R or do I need to use the version 
>>>> downloaded from att?
>>>>
>>>
>>> I would recommend using the Leopard gfortran 4.2.4 for Xcode 3.1.x 
>>> from the Mac devel page
>>> http://r.research.att.com/tools/
>>> which I assume is what you meant by the latter.
>>>
>>> Cheers,
>>> Simon
>>>
>>>
>>
>>
>
>