Re: Running tests without valgrind (was: DTC v1.4.7 released)

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On Tue, Sep 11, 2018 at 11:43:05AM -0700, Vagrant Cascadian wrote:
> On 2018-09-10, David Gibson wrote:
> > 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:
> >> > 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.
> ...
> >> > 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.
> 
> Thanks!
> 
> Updated the Debian package with the patch:
> 
>   b94c056b137e59deefc62fbfe0cd3a23edfcc07c Make valgrind optional
> 
> With that it builds on architectures with valgrind and without valgrind
> for all of Debian's release architectures:

Good to hear.

>   https://buildd.debian.org/device-tree-compiler
> 
> A few unrelated build failures remain for some of the more obscure
> architectures, if you're curious.

Yes, yes I am.

-- 
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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