Re: [gentoo-dev] Adding Ada support

[Sam James <sam@gentoo.org>]

"Luke A. Guest" <laguest@archeia.com> writes:

> Hi,
>
> Can we add the following patch to the toolchain.eclass? I want to stop
> having to mess with this overlay. The diff can be generated by
> grabbing the repo https://github.com/Lucretia/ada-overlay and running
> ./scripts/diff_eclass.sh.

It'd be useful to send the whole lot with `git send-email` as proper
patches which could be `git am`'d.

>
> The only thing I'm not sure about is the BDEPEND stuff.

It looks OK from a glance.

>
> The reason for doing this is because gnat-gpl is dead, more info can
> be found here https://www.adacore.com/community.
>
> The
> https://github.com/Lucretia/ada-overlay/tree/master/dev-lang/ada-bootstrap
> ebuilds provide bootstrap compilers, the archives are hosted on
> dropbox, from 9.5.0 -> 14.
>

What is going to be a problem is using these. We'll need to build our
own.

> The scripts/build-bootstrap.sh script will build a bootstrap for a
> particular version based on an env var.
>

But if this works, I guess that's fine. It would be nice if there were
some we could use from elsewhere somewhat-official that other distros
are using, but if they don't exist, I guess we have to live with it.

We need to do the same for D.

> As for anything in dev-ada/* well, the ada guy would need to work on
> that really, I'm not really experienced enough to handle it properly.
>

Kind of curious as to your interest in Ada if you're not experienced
enough - not intended derogatorily, just know you've been interested
in Ada for a while so I wonder if dev-ada/* is somehow that different
or what..

I also wouldn't want to merge something if it's then going to conflict
with anything in dev-ada/*, so at least some coordination is required.

(To that end, cc'd toolchain@ and ada@.)

> Given GCC is masked up to :10 now, the gnat gpr tools / libs might be
> easier to get going with single versions covering numerous toolchain
> versions.
>
> Alire would need to be added at some point, http://alire.ada.dev/ to
> provide an easier way to get packages going.
>
> I originally envisioned gnatmake, gprbuild eclasses to cover building
> simple projects with one entry point (gnatmake) and projects
> (gprbuild). I think an alire based eclass would need to be added as
> well.
>
> Thanks,
> Luke.
>
> [2. text/x-patch; gentoo-diff.patch]...