Re: DTC v1.4.7 released

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On Thu, Sep 06, 2018 at 03:34:35PM +1000, David Gibson wrote:
> On Tue, Aug 21, 2018 at 11:02:37AM +0200, Hector Oron wrote:
> > Hello,
> > 
> > 2018-08-16 22:30 GMT+02:00 Rob Herring <robh@xxxxxxxxxx>:
> > > On Thu, Aug 16, 2018 at 1:43 PM Vagrant Cascadian <vagrant@xxxxxxxxxx> wrote:
> > >>
> > >> On Jul 2018-07-23:
> > >> > Hi everyone, I've just tagged and released v1.4.7 of the device tree
> > >> > compiler.
> > >>
> > >> Tag appears to be missing from:
> > >>
> > >>   https://git.kernel.org/pub/scm/utils/dtc/dtc.git
> > >
> > > Indeed, and so are some master commits since then.
> > 
> > When attempting to run tests on platforms that have no valgrind
> > available, few test cases are unable to run.
> > Valgrind has become a dependency of `make check` instead the old `make
> > checkm`. The offensive commits are:
> > 
> >    4b8fcc3 libfdt: Add fdt_check_full() function
> >    c14223f tests: Use valgrind client requests for better checking
> >    5b67d2b tests: Better handling of valgrind errors saving blobs
> >    85bce8b tests: Correction to vg_prepare_blob()
> > 
> > Could you consider reverting those or move the affected testcases to
> > `make checkm` realm, that way devicetree-compiler testsuite would
> > still be functional on platforms (i.e. ARMv5tel) that have no valgrind
> > support.
> 
> Sorry I've taken so long to reply.
> 
> It's not really an issue of removing specific testcases.  make checkm
> doesn't run different tests - it runs the same tests, all running
> under valgrind.  We needed the valgrind interface things to prevent
> some incorrect errors, and catch some other errors which otherwise we
> wouldn't pick up.
> 
> In theory, fixing the problem for systems without valgrind is easy: we
> can just define the valgrind calls to be no-ops in that case.
> 
> The difficulty is that we need to compile the code differently for
> that case, which means more conditional compilation than we currently
> have, and is kind of awkward in the Makefiles.
> 
> I'm sure it's possible to sort it out, I've just been pretty busy with
> my day job, so I haven't had a chance to look at it properly.

Ok, I think I've fixed this now in master, and I've set up the Travis
build to check building without valgrind to stop it breaking again in
future.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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