[Buildroot] Analysis results for 2018-10-09

[Thomas Petazzoni <thomas.petazzoni@bootlin.com>]

Hello Fabrice,

On Wed, 10 Oct 2018 19:57:58 +0200, Fabrice Fontaine wrote:

> > > libboost_chrono shouldn't have been installed: missing select in  
> > boost/Config.in
> >  
> Can be fixed by https://patchwork.ozlabs.org/patch/960723.

OK.

> > > >          arm |                   boost-1.68.0 | NOK |  
> > http://autobuild.buildroot.net/results/41054f876975214741dccd08eda999a425281b7f
> > |  
> > >
> > > libboost_atomic shouldn't have been installed: missing select in  
> > boost/Config.in
> >  
> Can be fixed by https://patchwork.ozlabs.org/patch/966309.
> It should be noted that this patch has been merged upstream:
> https://github.com/boostorg/thread/commit/f7581a366294c6f5381e0371c242af327c6da655

OK, I was still not entirely convinced by this one, but if it has been
merged upstream, so be it :-)


> > > checking for SELINUX... no
> > > configure: error: SELinux selected but libselinux not found or too old
> > >
> > > We've been having this one for a while. Could some SELinux person
> > > (Matt ? Adam ?) debug this ?  
> >
> > I can take a look.  
> 
> I worked on this one without finding how to fix it.
> Here is my finding so I hope it could help you.
> It seems that the issue is that libselinux is really not built before
> util-linux. Indeed, we can see in
> http://autobuild.buildroot.net/results/7b79a5fa265e2387cab421e42b3c946562e4781b/build-time.log,
> that only libsepol is built.

Aah, thanks for this hint. Then it becomes clear what the problem is:
we're facing the util-linux -> python3 -> util-linux circular
dependency. If you look at all the failures at
http://autobuild.buildroot.net/?reason=util-linux-2.32.1, all of them
have BR2_PACKAGE_PYTHON3_UUID=y, and this creates a python3 ->
util-linux dependency. When there is a circular dependency, make
automatically drops a dependency to avoid the circular loop.

We need to resolve this util-linux -> python3 -> util-linux circular
dependency. Arnout suggested that python3 can provide uuid
functionality without libuuid, and I did some tests about this, which I
reported on the mailing list at
http://lists.busybox.net/pipermail/buildroot/2018-September/231060.html.
See the whole thread that starts at
http://lists.busybox.net/pipermail/buildroot/2018-September/229746.html.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com