Re: g++: unrecognized option `-rdynamic'

[Shai Ayal]

Hermann,

I tried this at home -- octave 2.1.72 on cygwin, and while I did get the 
g++ warning it ran just fine w/o any errors. It displayed the matrix 
values and exited normally.

So, the two things you can do here are:
1. Give us a better description of your system (octave version, OS, did 
you compile or install from a package ...)
2. run gdb on your app:

gdb ./hello
run
bt

and see where the segfault is exactly. report the output here.

BTW, I seem to recall you are using cygwin. If you compiled octave from 
source yourself and used a gcc version greater than 3.3.3 than it might 
explain your problem -- I would recommend installing gcc-3.3.3 and the 
prepackaged octave for cygwin using the cygwin setup program - this is 
what works for me.

Shai


Hermann Schloss wrote:
> Hi everyone,
> compiling a simple standalone application (as recommended by Stefan van 
> der Walt and Søren Hauberg (thak you gays))
> #include <iostream>
> #include "oct.h"
> int
> main(void)
> {
>    std::cout << "Hello Octave world!\n";
>    const int size = 2;
>    Matrix a_matrix = Matrix(size, size);
>    for (int row = 0; row < size; ++row)
>    {
>        for (int column = 0; column < size; ++column)
>        {
>            a_matrix(row, column) = (row + 1)*10 + (column + 1);
>        }
>    }
>    std::cout << a_matrix;
>    return 0;
> }
> with:
> $ mkoctfile --link-stand-alone -v hello.cc -o hello  leads to a warning: 
> g++: unrecognized option `-rdynamic'
> and executing this application leads to the following output:
> $ ./hello
> Hello Octave world!
> Segmentation fault (core dumped)
> Does anyone have an idea how can I get rid of this errors?
> Thank you
>
> Hermann
>
>
>
>
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