[llvm-dev] Upstreaming Flang - postponed to Monday 23rd March

[Eric Christopher via llvm-dev]

Hi Richard,

Thanks for the updates! Let me know if there's anything you need in the
rest of llvm to help this process :)

-eric

On Mon, Mar 23, 2020 at 9:32 AM Richard Barton <Richard.Barton at arm.com>
wrote:

> Hi Eric
>
>
>
> I realised today that I never replied to this. Sorry about that.
>
>
>
> You should see that we are not merging today, but when we do we’ll
> definitely give a few days of notice for this change. Our plan is to create
> a version of the merge in a fork of the llvm-project so that anyone
> interested is able to lay their hands on this to see what things will look
> like after merging. This will contain the F18 history rewritten as a
> straightline branch, the merge commit to master and any other commits that
> we intend to submit at the same time.
>
>
>
> Also, we are not proposing to add flang to LLVM_ALL_PROJECTS from the
> start as it will have different compiler requirements for C++17. We also
> have no buildbots and no windows support so we feel that adding it to
> ALL_PROJECTS from the start would potentially be disruptive to all. Instead
> we propose to add it in such a way that you have to opt in to build it. We
> have a patch up for review that does this here:
> https://reviews.llvm.org/D72416. Our intention is to commit this patch at
> the same time as merging and you’ll be able to see it in the dummy branch
> that we publish a few days before the merge.
>
>
>
> Ta
>
> Rich
>
>
>
> *From:* Eric Christopher <echristo at gmail.com>
> *Sent:* 17 March, 2020 00:33
> *To:* Richard Barton <Richard.Barton at arm.com>
> *Cc:* llvm-dev at lists.llvm.org
> *Subject:* Re: [llvm-dev] Upstreaming Flang - postponed to Monday 23rd
> March
>
>
>
> Thanks for the update and your dedication to making sure everything is
> good to go before merge.
>
>
>
> When you're ready would you mind sending a 24 and maybe even a 12 hour
> notice before merging? Those of us downstream are going to have our hands
> full :)
>
>
>
> Thanks!
>
>
>
> -eric
>
>
>
> On Mon, Mar 16, 2020 at 1:55 AM Richard Barton via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
> Hi llvm-dev
>
> We have not been able to complete all the work we need to do before
> merging F18 into LLVM as Flang so we will not be dong that today as
> previously announced.
>
> We propose to slip this back a week to let us finish off the last bits of
> work. All code changes are in review as of Friday. If you want more detail,
> you can see the exact status here:
> https://github.com/orgs/flang-compiler/projects/8
>
> Before we merge into the monorepo, we'll post a dummy version of the
> commit into a fork of llvm-project so folks can have a quick look at the
> code and history before we merge in.
>
> Sorry for the delay on this. We want to get it right before we merge into
> the monorepo.
>
> Ta
> Rich
>
> Richard Barton
> Principal Engineer - Arm Compiler for Linux
> Arm Manchester
>
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