From bug-request at octave dot org Tue Aug 24 10:06:52 2004
Subject: Re: cat(3,eye(2),eye(2)) doesn't work on Octave CVS (8/8/2004)
From: Josep =?ISO-8859-1?Q?Mon=E9s?= i Teixidor <jmones at puntbarra dot com>
To: bug at octave dot org
Date: Tue, 24 Aug 2004 17:04:39 +0200


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On ds, 2004-08-21 at 23:06, David Bateman wrote:
> Ok, I freshly checked out a CVS version, ran the autogen script, configur=
e
> and make. I built a dynamic version of octave rather than static, but "ld=
d"
> identifies that the correct versions of the libraries are being used. I s=
till
> can't generate this error!!!!
>=20
> It seems to me that this implies that the problem is related to the compi=
ler,
> or other parts of the tool chain. The code used by Fcat is all internal t=
o
> octave so the other libraries shouldn't play a part and so I believe the
> problem must be related to the compiler. I compiled on a Mandrake 9.2
> version with their compiler, which like all mandrake software is packed f=
ull
> of patches...=20
>=20
> I'll try on a debian machine like you john and see what happens
>=20
> Regards
> David

I'll upgrade my system to latest unstable and try again CVS version
(this can be slow since I'm on a modem).

One thing to test would be optimization. I tried debugging a little bit
and I found code a little bit difficult to follow (for me that doesn't
know how internals work) because a lot of things are being optimized.
What is the default optimization used in Octave? Is it -O2 ? How can i
change it easily? (my experience with autotools is mostly...
inexperience)

BTW, I used gcc 3.3.4.


--=20
Josep Mon=E9s i Teixidor
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