Re: unknown symbol

[E2]

more details:

%mkoctfile opt_sauage.cc

returns no warnings or errors;


GNU Octave, version 2.1.30 (i386-portbld-freebsd4.7).
Copyright (C) 1996, 1997, 1998, 1999, 2000 John W. Eaton.
This is free software with ABSOLUTELY NO WARRANTY.
For details, type `warranty'.

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*** are provided for people who want to help test, debug, and improve
*** Octave.
***
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*** was made, the latest stable version was 2.0.16).

octave:1> opt_sausage 
row vector length3
this is what I got OV_1: 1
this is what I got valu2: 1
/usr/libexec/ld-elf.so.1: 
/usr/home/gatekeeper/robot/sausage/round2/opt_sausage.oct: Undefined symbol 
"s_node_new"

*octave exits*
%



I've attached opt_sausage.cc and sausage_tree.h and declares.h



On Fri, Aug 15, 2003 at 02:03:55PM +0100, Geraint Paul Bevan wrote:
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> E2 wrote:
> | Using
> |
> |
> |>    extern "C" {
> |>       #include "sausage_tree.h"
> |>    }
> |>
> |
> |
> | Causes the name of the symbol to change, but for some reason it still
> | isn't found.  I get the following error and octave exits:
> |
> | /usr/libexec/ld-elf.so.1:
> /usr/home/gatekeeper/robot/sausage/round2/opt_sausage.oct: Undefined
> symbol "s_node_new"
> |
> | s_node_new() is defined in my sausage_tree.c include file.
> | I get the feeling I need to compile sausage_tree.c to a .o file or
> something.
> | I'm running freeBSD, and I got a similar error earlier when #including
> | math.h, I had to use "gcc -lm" to actually include the math library.
> | Anybody know what's going on?
> |
> |
> 
> It is a little hard to help without knowing exactly what you are trying
> to compile and how you are trying to do it. Perhaps the problem may be
> clearer if you could post the files and the command(s) that you are using.
> 
> - --
> Geraint Bevan
> http://www.mech.gla.ac.uk/~gbevan
> 
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-- 
--E2

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declares.h
Description: Text document

sausage_tree.h
Description: Text document

opt_sausage.cc
Description: Text document