Re: DTrace on FreeBSD

On Tue, 10 Apr 2012 23:14:07 +0100
Sevan / Venture37 <venture37_at_gmail.com> wrote:
> On 10/04/2012 02:45, Daichi GOTO wrote:
> > Hi,
> >
> >  From the DTrace tutorial at AsiaBSDCon 2012, it is a CDDL
> > license issue.
> 
> Hi Daichi,
> I wonder which clause/aspect of the license is a problem?

I do not know well. And I think Tod McQuillin could help you.
  (http://2012.asiabsdcon.org/timetable.html#T1B)

> We've been distributing dtrace as part of our source since FreeBSD 7.1 
> so the terms of license must have been acceptable for inclusion in our 
> tree & redistribution in source for each release since.
> I've been reading the CCDL license just now & clause 3.5 on Distribution 
> of executable vesions states
> 
> You may distribute the Executable form of the Covered Software under the 
> terms of this License or under the terms of a license of Your choice, 
> which may contain terms different from this License, provided that You 
> are in compliance with the terms of this License and that the license 
> for the Executable form does not attempt to limit or alter the 
> recipient’s rights in the Source Code form from the rights set forth in 
> this License. If You distribute the Covered Software in Executable form 
> under a different license, You must make it absolutely clear that any 
> terms which differ from this License are offered by You alone, not by 
> the Initial Developer or Contributor. You hereby agree to indemnify the 
> Initial Developer and every Contributor for any liability incurred by 
> the Initial Developer or such Contributor as a result of any such terms 
> You offer.
> 
> This shouldn't pose any legal problems for the project if DTrace was 
> redistributed in binary form should it?
> 
> > Addition from my experiences, some applicaions can not be
> > built on DTrace/UserlandDTrace-enabled system (VBox is) and
> > Userland dtrace is still unstable.
> 
> I see, was the virtual box issue recently, I'm pretty sure I was able to 
> build virtual box on a DTrace enabled system in the past couple of months.

You did? I'm so jealous!

> Sevan
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-- 
Daichi GOTO (daichi)
FreeBSD Committer, http://www.FreeBSD.org The Power To Serve