From help-octave-request at bevo dot che dot wisc dot edu Fri Dec 19 18:34:37 2003
Subject: Re: distributed ocatave and cygwin
From: JD Cole <listguy at transientresearch dot com>
To: "Trevor R.H. Clarke" <trc2876 at cs dot rit dot edu>
CC: help-octave at bevo dot che dot wisc dot edu
Date: Fri, 19 Dec 2003 18:02:53 -0800

Hi Trevor,  
    I haven't tried running this code under cygwin yet, and haven't 
heard of anybody else doing it either. So this may be fresh ground. That 
said, this sounds like a good time for me to start.

Which MPI implementation are you using?

Best,

JD

Trevor R.H. Clarke wrote:

> I'm trying to compile distributed octave under cygwin and I'm having 
> some trouble. Has anybody succeeded in doing this? I'm using 
> distributed octave sp20040402. I can patch and compile octave and 
> serially execute parallel code. When I try and compile the mpi pil 
> everything is good until it tries to build the pil from the objects. 
> Here's the mpiCC command it is attempting.
>
> mpiCC -g -O2  -DUSE_MPI_API -DUSE_PARALLEL_CMD \
> -I/usr/local/include/octave-2.1.45 \
> -I/usr/local/include/octave-2.1.45/octave \
> -I/usr/local/include -fPIC -DHAVE_CONFIG_H  -shared -o octave_mpi.pil \
> pil_octave_mpi.o pil_mpi_comm.o pil_mpi_misc.o pil_mpi_tags.o \
> pil_mpi_xrecv.o pil_mpi_xsend.o
>
> I get pages of errors along the lines of:
> pil_octave_mpi.o(.text+0x68): In function `pil_initialize':
> .../mpi_pil-sp20040402/pil_octave_mpi.cc:69: undefined reference to 
> `___gxx_personality_sj0'
> pil_octave_mpi.o(.text+0xbd):.../mpi_pil-sp20040402/pil_octave_mpi.cc:71: 
> undefined reference to `operator new(unsigned)'
>
> I tried adding (in various combinations and with the appropriate -L's) 
> -loctave -lcruft -lc -lstdc++ -lm   to no avail. I believe I've had 
> similar problems before (something with the way cygwin handles refs to 
> shared libs within shared libs I believe) but can't remember how I 
> fixed it. Any thoughts?





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