----- Original Message -----
> From: "Jakub Hrozek" <jhro...@redhat.com>
> To: sssd-devel@lists.fedorahosted.org
> Sent: Wednesday, February 25, 2015 4:57:25 PM
> Subject: Re: [SSSD] [PATCH] RFC: Support both cmocka 1.0 and pre-1.0 API at 
> the same time
> 
> On Wed, Feb 25, 2015 at 03:17:54PM +0100, Pavel Březina wrote:
> > On 02/25/2015 03:10 PM, Lukas Slebodnik wrote:
> > >On (25/02/15 10:55), Jakub Hrozek wrote:
> > >>On Wed, Feb 25, 2015 at 10:14:18AM +0100, Jakub Hrozek wrote:
> > >>>On Wed, Feb 25, 2015 at 09:51:24AM +0100, Lukas Slebodnik wrote:
> > >>>>On (25/02/15 08:33), Jakub Hrozek wrote:
> > >>>>>On Tue, Feb 24, 2015 at 09:16:09PM +0100, Lukas Slebodnik wrote:
> > >>>>>>On (24/02/15 19:52), Jakub Hrozek wrote:
> > >>>>>>>On Tue, Feb 24, 2015 at 05:52:26PM +0100, Lukas Slebodnik wrote:
> > >>>>>>>>On (24/02/15 16:55), Jakub Hrozek wrote:
> > >>>>>>>>>Hi,
> > >>>>>>>>>
> > >>>>>>>>>the attached two patches add a way to detect pre-1.0 cmocka and
> > >>>>>>>>>adds
> > >>>>>>>>>compatible definitions in the first patch and uses them to convert
> > >>>>>>>>>a
> > >>>>>>>>>single unit test.
> > >>>>>>>>>
> > >>>>>>>>>I found the approach ugly myself, so much that I'm considering
> > >>>>>>>>>converting
> > >>>>>>>>>all cmocka-based tests to cmocka-1.0 and don't compile the cmocka
> > >>>>>>>>>tests at
> > >>>>>>>>>all unless 1.0 or later is present on the system. It's not
> > >>>>>>>>>functionality
> > >>>>>>>>>after all, "just" tests and for CI we could add cmocka-1.0 to the
> > >>>>>>>>>CI
> > >>>>>>>>>system ourselves..
> > >>>>>>>>>
> > >>>>>>>>>Opinions?
> > >>>>>>>>+1 for patch.
> > >>>>>>>
> > >>>>>>>Does +1 for the patch also mean -1 for the proposal to *only*
> > >>>>>>>support
> > >>>>>>>cmocka-1.0 and later?
> > >>>>>>>
> > >>>>>>>>I already see deprecated warnings. cmocka 1.0 is in f21
> > >>>>>>>>updates-testing
> > >>>>>>>
> > >>>>>>>Yes, btw Andreas would update libcmocka on all releases, including
> > >>>>>>>private RHEL buildroots. So the "only" systems running pre-1.0
> > >>>>>>>cmocka
> > >>>>>>>would be non-RH distributions.
> > >>>>>>>
> > >>>>>>>For instance Ubuntu contains 0.4..
> > >>>>>>cmocka is optional dependency but we try to run CI build on debian
> > >>>>>>testing.
> > >>>>>>Debian testing (Jessie) is frozen since 2014-Oct-05. So we will need
> > >>>>>>to wait
> > >>>>>>for next debian release to have cmocka-1.0 in (next) Debian testing)
> > >>>>>>
> > >>>>>>If we agree we disable cmocka tests in our CI on debian
> > >>>>>>I'm fine with support *only* cmocka-1.0 and later.
> > >>>>>
> > >>>>>I was proposing to build cmocka-1.0 from source on the Debian CI
> > >>>>>machines.
> > >>>>I haven't seen this proposal yet :-)
> > >>>>
> > >>>>IMHO, it's reasonable compromise.
> > >>>>If Nikolai agrees let's go with cmocka-1.0+ way
> > >>>
> > >>>Does Nikolai agree? :-)
> > >>
> > >>btw what about the stable branches, do we just remove the test when
> > >>backporting patches with new tests? I think that would be the easiest
> > >>way..
> > >>
> > >>Alternatively, we could add the new tests to a new block HAVE_CMOCKA_1_0
> > >>in
> > >>Makefile.am -- that would bring some work when backporting patches, but
> > >>we wouldn't have to diverge or change the code itself, only the
> > >>Makefile.am hunk, where the conflict would be minimal.
> > >
> > >I would prefer adding strict requirements to cmocka-1.0 into configure
> > >and if it is not detected then cmocka test will not be executed.
> > >
> > >We can ignore(disable) deprecated warning in stable branches:-)
> > >
> > >LS
> > 
> > +1
> 
> I'm not sure we understood each other, I was specifically asking about
> stabe branch. In master, we would add strict requirements for cmocka
> 1.0+, convert all tests there and don't run any tests if cmocka 1.0+ is
> not found.
> 
> In sssd-1-12, we would keep the existing tests untouched and ignore the
> deprecation warnings. But what if someone submits a patch that needs to
> be included in sssd-1-12, too but adds a test that is written using
> cmocka-1.0 API? We could either:
>     a) backport the patch without the test
>     b) backport the patch as-is, but add the Makefile.am part of the
>     patch into a new block that gets executed only if cmocka 1.0 is
>     available. Currently we only have a global HAVE_CMOCKA if-endif.
> 
> I'm fine with a), do other developers agree?

Ah, sorry. The +1 was actualy for HAVE_CMOCKA_1_0 block. I don't think we have 
to touch the patches at all if we add a new conditional block to Makefile.am in 
master that will be executed only if new features are available.

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