Hi,
The mpif77 is a script - you can edit it manually without any problem.
HtH
Konrad Karczewski
On Sun, 10 Jun 2007, Aaron Thompson wrote:
> I fixed the problem! Looks like there's some sort of bug in gcc
> 4.2.0 on Mac OS X 10.4 when using -force_flat_namespace. For those
> searching the list with the same problem, see here: http://
> gcc.gnu.org/ml/gcc-bugs/2006-05/msg00273.html
> Instead of using mpif77, I ran gfortran without the linker and
> excluded -force_flat_namespace manually. Is there any way I can
> change the arguments that mpif77 uses without recompiling?
>
> Thanks,
>
> Aaron Thompson
> Vanderbilt University
> aaron.p.thompson_at_[hidden]
>
>
>
> On Jun 9, 2007, at 11:38 PM, Aaron Thompson wrote:
>
> > Greg,
> > I tried using those flags, but I got the same error. If this helps,
> > here's my output from mpif77 -showme:
> >
> > /usr/local/bin/gfortran -I/usr/local/lammpi/include -Wl,-u -
> > Wl,_lam_darwin_malloc_linker_hack -Wl,-multiply_defined,suppress -Wl,-
> > force_flat_namespace -Wl,-flat_namespace -Wl,-multiply_defined -
> > Wl,suppress -L/usr/local/lammpi/lib -llammpio -llamf77mpi -lmpi -llam
> > -ldl
> >
> > Any ideas?
> >
> > Thank you!
> >
> > Aaron Thompson
> > Vanderbilt University
> > aaron.p.thompson_at_[hidden]
> >
> >
> >
> > On Jun 9, 2007, at 9:41 PM, Gregory J. Orris wrote:
> >
> >> Aaron,
> >>
> >> If you are using it in 64-bit mode you'll need to do a bit more work.
> >> But it looks like you're using it in 32, so...
> >> Try
> >> LDFLAGS = "-Wl,-multiply_defined -Wl,suppress"
> >>
> >> Regards,
> >> Greg
> >>
> >> On Jun 9, 2007, at 2:37 PM, Aaron Thompson wrote:
> >>
> >>> Hi,
> >>> I've got LAM-MPI compiled and running, and C programs compile and
> >>> run great. However, I'm trying to compile a Fortran-based program
> >>> and I'm getting a linking error about "multiple definitions of
> >>> symbol
> >>> _atexit". Could this be due to some linker flags I set wrong? Here
> >>> are my linker flags:
> >>>
> >>> LD="/usr/local/lammpi/bin/mpif77 -o" \
> >>> LDFLAGS="-O2 -ffast-math --allow-multiple-definition" \
> >>>
> >>>
> >>> Here's the exact error I'm getting:
> >>>
> >>> /usr/local/lammpi/bin/mpif77 -o DLPOLY.X setup_module.o .......
> >>> /usr/bin/ld: multiple definitions of symbol _atexit
> >>> /usr/local/lib/gcc/powerpc-apple-darwin8.6.0/4.2.0/crt3.o private
> >>> external definition of _atexit in section (__TEXT,__text)
> >>> /usr/lib/libdl.dylib(atexit.So) definition of _atexit
> >>> /usr/bin/ld: multiple definitions of symbol ___cxa_atexit
> >>> /usr/local/lib/gcc/powerpc-apple-darwin8.6.0/4.2.0/crt3.o private
> >>> external definition of ___cxa_atexit in section (__TEXT,__text)
> >>> /usr/lib/libdl.dylib(atexit.So) definition of ___cxa_atexit
> >>> collect2: ld returned 1 exit status
> >>>
> >>> Thank you!
> >>>
> >>> Aaron Thompson
> >>> Vanderbilt University
> >>> aaron.p.thompson_at_[hidden]
> >>>
> >>>
> >>> _______________________________________________
> >>> This list is archived at http://www.lam-mpi.org/MailArchives/lam/
> >>>
> >>
> >> _______________________________________________
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> >
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