From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: OpenJDK support
Date: Mon, 08 Feb 2016 16:22:25 +0100
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In-Reply-To: <idj7fif8f91.fsf@bimsb-sys02.mdc-berlin.net> (Ricardo Wurmus's
	message of "Mon, 8 Feb 2016 15:10:18 +0100")
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To: Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>
Cc: guix-devel@gnu.org

Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de> skribis:

> pjotr Prins <pjotr.public12@thebird.nl> writes:
>
>> To support the JVM we'll need to add the openjdk.
>>
>> Having a look at it I think it is doable. Only problem is that the
>> java compiler needs to be bootstrapped with itself.=20
>>
>> In Nix they create a binary blob to bootstrap:
>>
>>     let
>>       # !!! These should be on nixos.org
>>       src =3D if glibc.system =3D=3D "x86_64-linux" then
>>         fetchurl {
>>           url =3D http://tarballs.nixos.org/openjdk-bootstrap-x86_64-lin=
ux-2012-08-2
>>     4.tar.xz;
>>           sha256 =3D "0gla9dxrfq2w1hvgsnn8jg8a60k27im6z43a6iidi0qmwa0wah=
32";
>>         }
>>       else if glibc.system =3D=3D "i686-linux" then
>>         fetchurl {
>>           url =3D http://tarballs.nixos.org/openjdk-bootstrap-i686-linux=
-2012-08-24.
>>     tar.xz;
>>           sha256 =3D "184wq212bycwbbq4ix8cc6jwjxkrqw9b01zb86q95kqpa8zy52=
06";
>>         }
>>       else throw "No bootstrap for system";
>>     in
>>
>> How do we go about this one?
>
>
> We already have a JDK provided by the =E2=80=9Cjdk=E2=80=9D output of the=
 =E2=80=9Cicedtea=E2=80=9D
> packages.  =E2=80=9CIcedTea=E2=80=9D is the name of the project that prov=
ides a heavily
> patched framework allowing us to build the (patched) OpenJDK sources
> with free software only.  Building the vanilla OpenJDK appparently isn=E2=
=80=99t
> that easy =E2=80=93 and not really necessary since we have the IcedTea-if=
ied
> version.
>
> We are bootstrapping with GCJ.

And kudos to you Ricardo for doing the right thing.  It=E2=80=99s much more
confidence-inspiring than the above snippet.  :-)

Ludo=E2=80=99.