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Subject: Re: [OMPI devel] Fortran linking problem: libraries have changed
From: Eugene Loh (eugene.loh_at_[hidden])
Date: 2012-04-23 17:52:28


On 4/23/2012 8:22 AM, Jeffrey Squyres wrote:
> On Apr 23, 2012, at 1:40 AM, Eugene Loh wrote:
>>> [rhc_at_odin001 ~/svn-trunk]$ mpifort --showme
>>> gfortran -I/nfs/rinfs/san/homedirs/rhc/openmpi/include -I/nfs/rinfs/san/homedirs/rhc/openmpi/lib -L/nfs/rinfs/san/homedirs/rhc/openmpi/lib -lmpi_usempi -lmpi_mpifh -lmpi -lopen-rte -lopen-pal -ldl -lm -lpci -lresolv -Wl,--export-dynamic -lrt -lnsl -lutil -lm -lpthread -ldl
>> Hmm, that's interesting. "mpifort --showme" in my case is *NOT* showing "-lmpi_usempi -lmpi_mpifh" and it *IS* showing "-lmpi_f77 -lmpi_f90".
> Hmm. I can't imagine how that happened. The wrappers get these values from the wrapper data files in $prefix/share/openmpi/mpi*wrapper-data.txt. I can't imagine how mpifort-wrapper-data.txt is getting loaded with -lmpi_f77 -lmpi_f90. Weird!
It turns out that we have MTT magic to generate those wrapper data
files. I will fix our magic.
>> I guess I need to make sure that I'm actually picking up the post-Fortran-merge trunk build I think I'm picking up, but it sure looks to me like I am. Among other things, it recognizes mpifort as a command. I'll think about possible dumb mistakes more tomorrow.
> Let me know what you find. Let's not exclude the possibility that this is a problem on the trunk somehow.