Re: MEX compilation problem---error: `xyz' undefined

[Paul Kienzle]

On Mar 29, 2007, at 9:00 PM, Steve C. Thompson wrote:

> On Thu, 2007-03-29 at 20:26 -0400, Paul Kienzle wrote:
> > At a guess I would say that you are not linking to the
> > interleaver library.
> >
> > You can use "ldd CreateUmtsInterleaver.oct" to see what
> > libraries it depends on and "nm CreateUmtsInterleaver.oct"
> > to see what symbols it is missing.
>
> Here's what I get:

<snip>

I don't see any missing symbols.

> These lines look suspicious:
>
>   liboctinterp.so => not found
>   liboctave.so => not found
>   libcruft.so => not found

By the time your octfile needs them they are already loaded.

> I have those libraries on my computer, of course.  I tried the
> following:
>
>   1) Add /usr/local/octave/2.9.10/lib/octave-2.9.10/ to my path
>   2) recompile with mkoctfile (see no compile errors)
>   3) repeat ldd and nm commands (get the same thing, same problem
>                                  in Octave too)

You would need to add this line to /etc/ld.so.conf and run
ldconfig in order for ldd to see them.  Don't do it though
since octave takes care of loading them for you.

> This didn't work.  I then tried

<snip>

> Any ideas?

None.

        - Paul