Re: Debugging .oct file building

[John W. Eaton]

On 15-Dec-2000, Thomas Hoffmann <address@hidden> wrote:

| > Sorry, that should be rebuild libstdc++ to be a shared library.  Isn't
| > that the default now with gcc 2.95.x?  Did you build it from sources
| > yourself?  Did you specifically request --disable-shared when you ran
| > configure?
| 
| No. Just the opposite: install/CONFIGURE says
| 
|      * --enable-shared -- Build shared versions of the C++ runtime
|        libraries if supported --disable-shared is the default.
| 
| So I forced the configuration into building shared libs. The compiling lead 
to a
| struggle that did cost me the whole afternoon. Now that I have this shared 
lib,
| I can run the mkoctfile unmodified and get an octfile which I can load, but 
that
| crashes Octave:
| 
| -rw-rw-r--   1 hoffmann   users          438 Dec 14 11:25 oregonator.cc
| -rw-rw-r--   1 hoffmann   users       101540 Dec 15 18:18 oregonator.o
| -rwxrwxr-x   1 hoffmann   users       113704 Dec 15 18:21 oregonator.oct
| bash-2.01$ octave
| GNU Octave, version 2.0.14 (hppa1.1-hp-hpux10.20).
| Copyright (C) 1996, 1997, 1998, 1999 John W. Eaton.
| This is free software with ABSOLUTELY NO WARRANTY.
| For details, type `warranty'.
| 
| octave:1> oregonator([1,2,3],0)
| /usr/lib/dld.sl: Unresolved symbol: elem__C17octave_value_listi (code)  from 
| 
/vol2/home/hoffmann/Lehre/tesim/Geometriesimulation/Praktikum/octfiles/oregonator.oct
| error: IOT instruction -- stopping myself...
| attempting to save variables to `octave-core'...
| save to `octave-core' complete
| 
| ABORT instruction (core dumped)
| 
| Do I need to rebuild Octave with shared libs now? 

Yes, probably, and if you are going to do that, you should at least
start using 2.0.16.

jwe



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