Re: [PATCH 3/3] dtc: Update to version 1.6.1

[Daniel P . Berrangé]

On Fri, Oct 01, 2021 at 10:37:51AM +0100, Peter Maydell wrote:
> On Fri, 1 Oct 2021 at 10:10, Daniel P. Berrangé <berrange@redhat.com> wrote:
> >
> > On Thu, Sep 30, 2021 at 09:10:12AM +0200, Thomas Huth wrote:
> > > On 27/08/2021 14.09, Thomas Huth wrote:
> > > > The dtc submodule is currently pointing to non-release commit. It's 
> > > > nicer
> > > > if submodules point to release versions instead and since dtc 1.6.1 is
> > > > available now, let's update to that version.
> 
> > Most of our supported platforms don't have version 1.6.1 available.
> >
> > As a general goal IMHO we should be seeking to eliminate bundling of
> > 3rd party modules that are commonly available in distros. We've
> > carried dtc for a hell of a long time, and if we keep updating our
> > submodule we'll keep relyin on new features, and never be able to
> > drop it because it will always be newer than what's in the distros.
> >
> > So personally I think we should never again update dtc and capstone
> > modules. If we want to take adbantage of new features, then do that
> > through conditional compilation, as we do for any of the other 3rd
> > party libraries consumed.
> 
> I agree in general, but (per the commit message here) our dtc
> submodule is currently pointing at some random not-a-release
> commit in upstream dtc. We should at least move forward to
> whatever the next released dtc after that is, before we say
> "no more dtc updates".

Yep, if we want to fix it onto an official version tag, that's
OK, just not jumping right to very latest version. We might want
to move it backwards to better align with what we're targetting
in the support

Best I can tell the distros currently have these versions:

     - Alpine 3.14 - 1.6.1
     - CentOS 8 - 1.6.0
     - Debian 10 - 1.4.7
     - Fedora 33 - 1.6.0
     - OpenSUSE Leap 15.3 - 1.5.1
     - Ubuntu 18.04 - 1.4.5
     - FreeBSD Ports - 1.6.0
     - OpenBSD Ports - 1.6.0
     - macOS HomeBrew - 1.6.1
     - Windows MSys2 - 1.6.0


Regards,
Daniel
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