[U-Boot] Makefile: Update minimum dtc version to 1.4.3

[Łukasz Majewski]

On 09/24/2017 08:41 AM, Heinrich Schuchardt wrote:
> On 09/23/2017 07:53 PM, Tom Rini wrote:
>> On Sat, Sep 23, 2017 at 07:43:09PM +0200, Marek Vasut wrote:
>>> On 09/23/2017 07:37 PM, Tom Rini wrote:
>>>> On Sat, Sep 23, 2017 at 07:33:44PM +0200, Marek Vasut wrote:
>>>>> On 09/23/2017 07:05 PM, Tom Rini wrote:
>>>>>> On Sat, Sep 23, 2017 at 08:56:08AM -0400, Tom Rini wrote:
>>>>>>> On Sat, Sep 23, 2017 at 12:39:44PM +0200, Marek Vasut wrote:
>>>>>>>> On 09/22/2017 04:20 PM, Tom Rini wrote:
>>>>>>>>> On Fri, Sep 15, 2017 at 01:15:25PM -0400, Tom Rini wrote:
>>>>>>>>>
>>>>>>>>>> With support for overlays and calling the -@ flag to dtc we need to have
>>>>>>>>>> at least 1.4.3 available now.
>>>>>>>>>>
>>>>>>>>>> Cc: Simon Glass <sjg at chromium.org>
>>>>>>>>>> Reported-by: Stephen Warren <swarren at wwwdotorg.org>
>>>>>>>>>> Signed-off-by: Tom Rini <trini at konsulko.com>
>>>>>>>>>
>>>>>>>>> Applied to u-boot/master, thanks!
>>>>>>>>
>>>>>>>> Debian still only has 1.4.2 even in unstable, so u-boot/master no longer
>>>>>>>> builds on any debian system.
>>>>>>>
>>>>>>> Then perhaps we need to mirror the kernel and provide / build dtc, but
>>>>>>> allow for people to override it.
>>>>>>
>>>>>> This isn't too hard and I'm pushing that through Jenkins now to confirm
>>>>>> I've got all the logic correct.  I think this will be the least error
>>>>>> prone method long term.
>>>>>
>>>>> NAK, this is the same thing which chromium does and what Debian is
>>>>> trying to stop -- vendoring. We will end up with patched custom DTC out
>>>>> of sync with upstream.
>>>>
>>>> Shrug, it's what Linux does, and what QEMU does, and probably what other
>>>> projects do as well since apparently even Debian/Unstable is 2 releases
>>>> and nearly a year behind (or, 9 months if you don't want to exaggerate).
>>>
>>> And it will likely stay that way for debian stable. I am really
>>> disappointed in the "Shrug" reaction to such massive breakage.
>>
>> Nope and nor will it catch old-stable breaking in January when gcc-6.x
>> or newer is required.
>>
> 
> Above you have been discussing code duplication. This is not the right
> way to work with git.
> 
> The git way is to add
> https://git.kernel.org/pub/scm/utils/dtc/dtc.git
> as git submodule (https://git-scm.com/docs/git-submodule).
> 
> In our make file we can then use git submodule init, git submodule
> update, git verify-tag before we build a dtc with the appropriate version.
> 
> This way we can build dtc from sources but stay in sync with the upstream.

+1

> 
> Regards
> 
> Heinrich
> 
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> 


-- 
Best regards,

Lukasz Majewski

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