"illegal instruction" is a compiler bug, right?

[Rex Dieter]

Quentin Spencer wrote:

> Just a further update: I rebuilt octave locally on the Pentium MMX
> system (it took about 10 hours yesterday to do it), so I tried
> installing it and it still crashes. Even if I had mis-used the
> RPM_OPT_FLAGS, because it was built locally, wouldn't this confirm that
> it's a compiler bug?

Could be some assembler code used by octave as well.
> 
> I'm still not using %configure because I thought the -D_GNU_SOURCE
> might have been important for something. Now I have my doubts. Does
> anyone know what it's for?

I think _GNU_SOURCE is defined by default now anyway (on most modern
linux systems ??).  If I were you, I'd try to go back to using %configure.

-- Rex