On Apr 16, 2010, at 12:05 PM, Baowei Liu wrote:

> Thanks for your reply. Sorry I didn't make it clear..... When I run 
> config.guess of gcc, it gives me the x86_64 system. But when I run "uname 
> -a", it says it's i386. I think that's the reason OMPI complains about "more 
> than one -arch option (not allowed, use cc(1) instead)". 

What do you mean?  I don't think you've mentioned that before...?

> The new gcc can create executibals. I use it to compile my own c++ programs. 
> And I don't need special flags. I need a higher version of gcc than the 
> default one just because I cannot build a package (QE:Quantum Espresso) with 
> the default gcc -- QE uses OMPI.  I can install OMPI with the default gcc.  I 
> tried this: 
> 
> 1. install OMPI with default gcc and OMPI works fine.
> 2. install the new gcc and install the QE package, successfully.
> 3. mpirun stops working with eorror" cannot initialize"

This is the first time you've mentioned this, too.  :-)

Did you re-install Open MPI with the new gcc (and no -m flags, etc.)?  If that 
doesn't work, please send all the information listed here:

    http://www.open-mpi.org/community/help/

-- 
Jeff Squyres
jsquy...@cisco.com
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/


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