[bitbake-devel] [PATCH 00/11] bitbake-diffsigs fixes/improvements

[Paul Eggleton]

On Friday, 7 April 2017 8:54:38 PM NZST Patrick Ohly wrote:
> On Fri, 2017-04-07 at 20:32 +1200, Paul Eggleton wrote:
> > On Friday, 7 April 2017 8:29:18 PM NZST Paul Eggleton wrote:
> > > On Friday, 7 April 2017 7:56:19 PM NZST Patrick Ohly wrote:
> > > > Am I using the tool incorrectly or are my expectations wrong?
> > > > 
> > > > My expectation was that "bitbake-diffsigs -t m4 do_build" would tell
> > > > me
> > > > that m4 was rebuilt because some tasks that it depends on changed, and
> > > > then I would drill down to those tasks, eventually arriving at
> > > > do_install.
> > > 
> > > Hmm, something has gone wrong here because this is the exact scenario
> > > it's
> > > supposed to handle. In my similar tests it did work, so I'm not sure why
> > > it
> > > didn't work in this case - I'll have to give it a try here.
> > 
> > I send and then I immediately realised what might be wrong - you said
> > you're using poky master which implies that you haven't also applied the
> > patches for lib/oe/sstatesig.py that I sent to the OE-Core list today. If
> > you haven't, try doing that, it should fix the problem.
> 
> Indeed, I had missed that part. It's working now for do_install.
> 
> What about do_build? Should bitbake-diffsigs be usable with that?

If it changed (i.e. there are two signature files to compare) then yes, -t 
should be able to work back from those. For some reason though you don't seem 
to have sigdata files for do_build, which is odd - a quick look in my stamps 
directory here suggests that you should.

Cheers,
Paul

-- 

Paul Eggleton
Intel Open Source Technology Centre