[Buildroot] Flutter-engine package help wanted.

[Adam Duskett]

All;

The https://gitlab.com/aduskett/buildroot-flutter.git  project is now
updated a nearly completed
flutter-engine package. I do have one concern found in the .mk file
(
https://gitlab.com/aduskett/buildroot-flutter/-/tree/flutter-dev/package/flutter-engine
)

Any help on
https://gitlab.com/aduskett/buildroot-flutter/-/blob/flutter-dev/package/flutter-engine/flutter-engine.mk#L216
would be much appreciated!

Adam


On Tue, Jul 18, 2023 at 7:04 PM Adam Duskett <aduskett at gmail.com> wrote:

> All;
>
> I updated the above buildroot repository on the flutter-dev branch, and now
> compiling flutter works with one manual step that I need to resolve.
>
> While compiling, it seems like the LDPATHS for one third-party module can't
> find libgcc.a, crtbeginS.o, and crtendS.o. These libraries, of course, are
> found in the toolchains directory. If I manually create symlinks to those
> files in the staging/lib directory, flutter-engine compiles successfully
> without warning.
>
> Feel free to review the flutter-engine package and give compiling a try:
> ```
> git clone https://gitlab.com/aduskett/buildroot-flutter.git -b flutter-dev
> cd buildroot-flutter
> make flutter_defconfig
> make flutter-engine
> ```
>
> Any thoughts on the LDPATH issue?
>
> Thanks!
>
> Adam
>
>
> On Mon, Jul 17, 2023 at 12:33 PM Adam Duskett <aduskett at gmail.com> wrote:
>
>> Thanks for the reply! I am going through your notes on the repository now!
>>
>> As for needing the .git dirs, indeed. I found someone who wants to make
>> the yocto tarball reproducible.
>> In the end he gave up:
>> https://github.com/meta-flutter/meta-flutter/issues/271
>>
>>
>> On Mon, Jul 17, 2023 at 12:16 PM Yann E. MORIN <yann.morin.1998 at free.fr>
>> wrote:
>>
>>> Adam, All,
>>>
>>> Folloing our discussion on IRC, it turns out that I got it partly
>>> (mostly) wrong.
>>>
>>> On 2023-07-17 20:38 +0200, Yann E. MORIN spake thusly:
>>> > On 2023-07-14 20:02 -0700, Adam Duskett spake thusly:
>>>
>>> So, we do not need to download anything from the flutter repo; we just
>>> need a file, .gclient, that contains directives for gclient to perform
>>> the actual download.
>>>
>>> As an aside, gclient is like repo (another google tool, I guess), right?
>>>
>>> So, basically, what you did in your .mk looks like I would have done,
>>> except no using _DL_DIR as a scratch-dir to do the download, but in a
>>> sub-dir of the package dir (see my previous reply).
>>>
>>> Finally: gclient runs git-clone, we can't have stability in that, it's
>>> not reproducible.
>>>
>>> If the .git dirs really need to be present at configure/build time,
>>> we're borked, we can't hash the generated tarball.
>>>
>>> Regards,
>>> Yann E. MORIN.
>>>
>>> --
>>>
>>> .-----------------.--------------------.------------------.--------------------.
>>> |  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics'
>>> conspiracy: |
>>> | +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___
>>>        |
>>> | +33 561 099 427 `------------.-------:  X  AGAINST      |  \e/  There
>>> is no  |
>>> | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v
>>>  conspiracy.  |
>>>
>>> '------------------------------^-------^------------------^--------------------'
>>>
>>
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