Hi all,
Sorry that I missed out the libraries in last posting. It should be:
f77 -qnoextname -qmaxmem=-1 -o test -lmpi test.F
Sorry for the inconvenienced.
Btw, when I use "nm libmpi.a", found a number of symbols, e.g.
.MPI_Init
.lam_mpi_init
MPI_Init
PMPI_Init
.PMPI_Init
pmpi_init__
.pmpi_init__
Is the symbol used fortran program case sensitive ?
Thanks again.
Best Regards,
/ST Wong
-----Original Message-----
From: lam-bounces_at_[hidden] [mailto:lam-bounces_at_[hidden]]
On Behalf Of ST Wong
Sent: Tuesday, April 06, 2004 2:41 PM
To: lam_at_[hidden]
Subject: LAM: pls help: LAM on AIX
Hi all,
I'm compiling an MPI program in Fortran on AIX 4.3.3 using
native f77. I use :
f77 -qnoextname -qmaxmem=-1 -o test test.F
which returns unresolved symbols for MPI function calls, e.g.
ld: 0711-317 ERROR: Undefined symbol: .mpi_init
ld: 0711-317 ERROR: Undefined symbol: .mpi_comm_rank
ld: 0711-317 ERROR: Undefined symbol: .mpi_comm_size
where the MPI functions are called in capital letters. Shall I
use -U (subpress converting symbols into lower case) and rename the call
to something like MPI_Init, MPI_Comm_rank, MPI_Comm_size instead ? Or
is there is any workaround?
Thanks a lot.
Sincerely,
ST Wong
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