From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@gnu.org>
Subject: Re: ARM VM with networking support?
Date: Tue, 26 Nov 2019 11:26:57 +0100
Message-ID: <87wobn7x1q.fsf@gnu.org>
References: <87r22p3trp.fsf@gnu.org> <87ftj4vqcy.fsf@gmail.com>
 <87mud59d47.fsf@gnu.org> <877e46b9ld.fsf@gmail.com>
 <878soeo2c5.fsf@gnu.org> <87r21yzaav.fsf@gmail.com>
 <87v9r86oiu.fsf@devup.no> <875zj8t3zm.fsf@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Return-path: <guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:470:142:3::10]:59166)
 by lists.gnu.org with esmtp (Exim 4.90_1)
 (envelope-from <ludo@gnu.org>) id 1iZY3f-0004OA-Lb
 for guix-devel@gnu.org; Tue, 26 Nov 2019 05:27:00 -0500
In-Reply-To: <875zj8t3zm.fsf@gmail.com> (Mathieu Othacehe's message of "Mon,
 25 Nov 2019 15:39:09 +0100")
List-Id: "Development of GNU Guix and the GNU System distribution."
 <guix-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/guix-devel>,
 <mailto:guix-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <https://lists.gnu.org/archive/html/guix-devel>
List-Post: <mailto:guix-devel@gnu.org>
List-Help: <mailto:guix-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/guix-devel>,
 <mailto:guix-devel-request@gnu.org?subject=subscribe>
Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org
Sender: "Guix-devel" <guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org>
To: Mathieu Othacehe <m.othacehe@gmail.com>
Cc: guix-devel <guix-devel@gnu.org>

Hi,

Mathieu Othacehe <m.othacehe@gmail.com> skribis:

> Never looked into it, but it seems that nix has proper cross compilation
> support for meson (using cross-file.conf as you mentionned), see:
> nixpkgs/pkgs/development/tools/build-managers/meson/default.nix
>
> Sadly there are other build-systems where cross-compiling isn't
> supported:
>
> * scons.scm
> * haskell.scm
> * python.scm
> * ruby.scm
> * perl.scm
> * meson.scm
> * r.scm
> * android-ndk.scm
> * go.scm
> * waf.scm
> * emacs.scm
> * asdf.scm
> * ocaml.scm
> * node.scm
> * julia.scm
> * dune.scm
> * dub.scm
> * ant.scm
> * linux-module.scm
> * rakudo.scm
> * cargo.scm
> * glib-or-gtk.scm

Yeah.  :-/

> As I think that using --system is not viable (horribly slow, hard to
> find native hardware to cook substitutes), extending cross-compilation
> support is very important IMO.

I think we need both, it=E2=80=99s a tradeoff.

Emulated stuff is slow but it can work without any modifications.  In
some cases, it=E2=80=99s good enough, especially if our build farm provides
enough substitutes.

Ludo=E2=80=99.