Re: Can we build the 64 bit version of fluka on a 64 bit machine with g77

From: Vittorio Boccone <Vittorio.Boccone_at_cern.ch>
Date: Sun, 4 Aug 2013 22:04:32 +0000

Hi Mina,
  can you give us the exact op.system version, compiler, architecture etc.. of the machines of your farm?
Maybe we can try to find a solution with what you have.

Can you run virtual machine application on your farm?
Best

V.

-- 
Dr. Vittorio Boccone - University of Geneva
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On 29 Jul 2013, at 23:27, Mina Nozar <nozarm_at_triumf.ca> wrote:
> Dear Paola,
> 
> Thank you for your response.  We have no control of building 32 bit
> libraries on the 64 bit machines.  These machines are part of Compute
> Canada farms and are running either Red Hat or SL as the Linux flavour
> of choice.   The sys. adm. response to my question, i.e. whether they
> could install the 32 bit versions of the libgc-dev libraries, was that
> they don't support the 32 bit libraries on the 64 bit systems. This
> restricts us to the use of one system which does have has 32 bit
> libraries installed and another with gfortran 4.6.
> 
> Best wishes,
> Mina
> 
> On 13-07-22 11:55 PM, Paola Sala wrote:
>> Dear Mina
>> 
>> The g77 version runs only on 32 bit libraries, it is not possible to
>> compile it on 64 bit, also because of compatibility issues on binery
>> files. The 32 bits libraries can be installed on 64 bits machines.
>> Instructions for the Ubuntu distribution can be found in the answers to
>> http://www.fluka.org/web_archive/earchive/new-fluka-discuss/3740.html
>> 
>> 
>> For gfortran,   gfortran >= 4.6 is needed. Earlier versions miscompile  the
>> code. We are sorry for the inconsistency on the fluka web site. Thank you
>> for spotting this, now should be corrected.
>> Ciao
>> Paola
>>> Hello everyone,
>>> 
>>> 
>>> Is it ok/possible to build fluka with the 64 bit libraries on x86_64
>>> systems, using g77?  I am running into the problem of building flukahp
>>> on an x86_64 which doesn't have the 32 bit libraries installed.  For
>>> instance, there is /usr/lib64/crtn.o but no /usr/lib/crtn.o.
>>> 
>>> 
>>> Also, 'https://www.fluka.org/fluka.php?id=secured_intro' says gfortran
>>> version >=4.5 is required but when I tried building in a system with gcc
>>> version 4.4.7
>>> I got messages, saying:
>>> gfortran >= 4.6 is required for running FLUKA!!
>>> 
>>> So my question is will gcc/gfortran 4.5 work or is 4.6 or higher required?
>>> 
>>> This version of the code should be run on the platforms for which it has
>>> been released, which are:
>>> 
>>> *GNU/Linux (i686 and x86_64)* 	requires gcc/g77 (version >= 3.4)
>>> *GNU/Linux (x86_64)* 	beta version, requires gcc/gfortran (version >=  4.5)
>>> 
>>> 
>>> 
>>> Many thanks in advance,
>>> Mina
>>> 
>> 
>> Paola Sala
>> INFN Milano
>> tel. Milano +39-0250317374
>> tel. CERN   +41-227679148
>> 
> 
> 

Received on Tue Aug 06 2013 - 13:02:58 CEST