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.mod files are compiler-specific, and may even be version-specific. You may, however, be lucky enough to compile the Fortran interface definitions with ifort and supply that mpi.mod to ifort, even though the actual code was compiled with gfortran. I have never tried that -- we build separate development trees for each OpenMPI version/compiler product/compiler version.
US Geological Survey
On 22 Aug 2013, at 6:50 AM, Jeff Squyres (jsquyres) wrote:
> Sadly, probably not. :(. You'll prbably have the same problem with c++, too.
> There *may* be compatibility command line options for ifort/icpc to make them link compatible w gfortran/g++, but I've never had much faith in them.
> Sent from my phone. No type good.
> On Aug 22, 2013, at 2:24 AM, "Christopher Samuel" <samuel_at_[hidden]> wrote:
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>> Hi folks,
>> We've got what we thought would be a fairly standard OMPI (1.6.5)
>> install which is a single install built with GCC and then setting the
>> appropriate variables to use the Intel compilers when someone loads
>> our "intel" module:
>> $ module show intel
>> setenv OMPI_CC icc
>> setenv OMPI_CXX icpc
>> setenv OMPI_F77 ifort
>> setenv OMPI_FC ifort
>> setenv OMPI_CFLAGS -xHOST -O3 -mkl=sequential
>> setenv OMPI_FFLAGS -xHOST -O3 -mkl=sequential
>> setenv OMPI_FCFLAGS -xHOST -O3 -mkl=sequential
>> setenv OMPI_CXXFLAGS -xHOST -O3 -mkl=sequential
>> This works wonderfully, *except* when our director attempted to build
>> an F90 program with the Intel compilers that fails to build because
>> the mpi.mod F90 module was produced with gfortran rather than the
>> Intel compilers. :-(
>> Is there any way to avoid having to do parallel installs of OMPI with
>> GCC and Intel compilers just to have two different versions of these
>> My brief googling hasn't indicated anything, and I don't see anything
>> in the mpif90 manual page (though I have to admit I've had to rush to
>> try and get this done before I need to leave for the day). :-(
>> - --
>> Christopher Samuel Senior Systems Administrator
>> VLSCI - Victorian Life Sciences Computation Initiative
>> Email: samuel_at_[hidden] Phone: +61 (0)3 903 55545
>> http://www.vlsci.org.au/ http://twitter.com/vlsci
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