Re: Solaris: patches to run-octave.in

[John W. Eaton]

On 30-Nov-2007, Moritz Borgmann wrote:

| At 0:22 Uhr +0100 2007-11-30, David Bateman wrote:
| >John W. Eaton wrote:
| >>  On 29-Nov-2007, Moritz Borgmann wrote:
| >>
| >>  | hm. We could make it conditional and not set LD_PRELOAD on Solaris.
| >>  | Other than that, I fail to see immediate solutions. Or we could try
| >>  | to track down what the reason was that the other systems (which
| >>  | ones?) didn't honor the LD_LIBRARY_PATH. Maybe it's called
| >>  | differently on that system (like, e.g., DYLD_LIBRARY_PATH under
| >>  | Darwin, which configure sets correctly).
| >>
| >>  The thread where this was originally discussed is here:
| >>
| >> 
| 
>>http://www.nabble.com/segfault-in-build-of-octave-CVS-tf2587656.html#a7226545
| >>
| >>  I dont' think it mentions exactly what system had the problem, but
| >>  maybe David remembers.
| >>
| >>  jwe
| >>
| >
| >Yes the issue occurred on my Mandriva 2006 linux machine. I have no idea
| >why it wasn't respecting the LD_LIBRARY_PATH variable, and was loading
| >the installed versions. I didn't use rpath in the build, so that's not it.
| 
| I think it's a subtle problem with the loader, see, e.g.
| 
| http://www.perlmonks.org/index.pl?node_id=126587
| http://www.nabble.com/Re%3A-dynaloader-issue-p5667945.html
| 
| (unfortunately, man ld.so doesn't say this, at least on my Debian Linux).
| 
| Do we have to "exec" octave? Why can't we just spawn it as another 
| process? That should solve the problem and make LD_PRELOAD 
| superfluous...

I don't understand why it would fix the problem.  Can you explain?

In any case, I don't think we absolutely have to exec Octave in the
script.  David, would removing LD_PRELOAD and the exec fix the problem
for you?

jwe