If using the Intel v10.1.x compilers to build a 64-bit version, by
default (default installation), Intel invokes the 64-bit compiler. But
yes, you can use the "-m64" flag as well.
On Oct 9, 2008, at 10:15 PM, users-request_at_[hidden] wrote:
> Message: 2
> Date: Thu, 9 Oct 2008 17:28:38 -0400
> From: Jeff Squyres <jsquyres_at_[hidden]>
> Subject: Re: [OMPI users] build failed using intel compilers on mac os
> To: Open MPI Users <users_at_[hidden]>
> Message-ID: <897C21DB-CB73-430C-B306-8E492B247B34_at_[hidden]>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
> The CXX compiler should be icpc, not icc.
> On Oct 7, 2008, at 11:08 AM, Massimo Cafaro wrote:
>> <openmpi build>
>> Dear all,
>> I tried to build the latest v1.2.7 open-mpi version on Mac OS X
>> 10.5.5 using the intel c, c++ and fortran compilers v10.1.017 (the
>> latest ones released by intel). Before starting the build I have
>> properly configured the CC, CXX, F77 and FC environment variables
>> (to icc and ifort). The build failed due to undefined symbols.
>> I am attaching a log of the failed build process.
>> Any clue? Am I doing something wrong?
>> Also, to build a 64 bit version it is enough to supply in the
>> corresponding environment variables the -m64 option ?
>> Thank you in advance and best regards,